Chevrolet Suburban XI (2007-2013) hvac control module Wiring diagrams

This page contains all the electrical diagrams for the component. hvac control module, in which he is found in the car Chevrolet Suburban XI (2007-2013). You can view various wiring diagrams where this component is used, as well as go to more detailed diagrams to see the complete connection and interaction in the system. All diagrams have links to quickly jump to the corresponding section with the component for easy viewing..

Wiring diagram hvac control module (1 of 12)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LED CNTRL IGN VOLT GROUND B(+) GMLAN L 1 4 5 6 GND GND B+ B+ 1 5 15 3340 5060 1050 B(+) GMLAN L GROUND COMPUTER DATA LINES SYSTEM 193 735 1050 597 6101 DEFOGGER SYSTEM 2 HI 2426 2080 2482 2435 PNK LOW REF LOW REF LOW REF LOW REF WIRE 27 28 63 13 34 12 DATA BUS- DATA BUS+ RLY CTRL LOW REF 5-VOLT REF SENS SIG 3 18 25 10 B+ LED DIM DIM CNTRL GMLAN 3 8 DIM CNTRL PRK LP SW SIG 4 6 B+ GND 4 HI 4 LO 6 12 13 14 1563 1566 1565 1561 2 HI 4 HI 4 LO AWD 6.0L (VIN G) 7 3 SUPPLY VOLT LOW REF 9 2 12 GLMAN SERIAL DATA PNK WIRE A/C A/C CMPRSR FUSE 17 A/C CMPRSR RELAY A/C IND A/C ON A/C ON IND A/C ON SWITCH A/C ON SWITCH LOGIC A/C REFRIGERANT PRESSURE SENSOR (A/C HIGH PRESSURE HOSE) ABS-1 FUSE 61 ACCESSORY POWER OUTLET (DIAGRAM 7 OF 8) AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY ANTI-LOCK BRAKES SYSTEM ASSIST STEP CONTROL MODULE (W/ SIDE RETRACTABLE POWER RUNNING BOARD STEPS) AUDIO SUNROOF AMPLIFIER CONTROL MODULE (W/ SUN GLASS SLIDING ELECTRIC ROOF) AUTO SWITCH AUTO- MATIC AUTOMATIC A/C MANUAL AUTOMATIC A/C MANUAL A/C AUTOMATIC DAY/NIGHT MIRROR AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR (IF EQUIPPED) AUTOMATIC LEVEL CONTROL (ALC) SOLENOID VALVE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP CONTROL MODULE AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY BODY CONTROL MODULE (ABCM) AUXILIARY HVAC CONTROL MODULE (CENTER OF HEADLINER) AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) AWD IND PNK WIRE BACK IND BACK SWITCH BATTERY BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BLOWER CONTROL SWITCH BLOWER MOTOR CONTROL MODULE BLOWER SPEED BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BLWR SPD BODY CONTROL MODULE (BCM) BRAKE (HYBRID) FLUID LEVEL A/C COMPRESSOR SWITCH BREAKOUT) BRN WIRE BRN/WHT WIRE CADILLAC CHEVROLET, GMC AUTOMATIC A/C MANUAL A/C CADILLAC ESCALADE ESV PLATINUM APPEARANCE PACKAGE CADILLAC ESCALADE PLATINUM APPEARANCE PACKAGE CADILLAC GMC/CHERVOLET CADILLAC W/O BODY EQUIPMENT CHEVROLET, GMC W/ ADDITIONAL DVD W/ VEHICLE COMMUNICATION SYSTEM, LUXURY EDITION COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION DATA LINK CONNECTOR DDM FUSE DEFOG IND DEFOGGER SWITCH DFRST VAL DIGITAL RADIO RECEIVER DIM SIG DISABLE SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN DRIVE MOTOR GENERATOR POWER INVERTER MODULE (HYBRID) DRIVER BACK HEATED SEAT ELEMENT (DRIVER'S SEAT BACK) DRIVER BACK IND DRIVER BACK SWITCH DRIVER CUSHION HEATED SEAT ELEMENT (DRIVER'S SEAT CUSHION) DRIVER CUSHION/ DRIVER CUSHION/ BACK IND DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER DOOR LOCK/WINDOW SWITCH DRIVER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) DRIVER SEAT 2 CIRCUIT BREAKER ELEC RUN BOARD FUSE 65 ELECTROCHROMIC MIRROR CIRCUIT ELECTRONIC ENGINE BRAKE CONTROL CONTROL MODULE MODULE (EBCM) (ECM) END OF DASH) END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ESC/ALC EXH FUSE 2 EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) EXCEPT HYBRID HYBRID EXP/PTO FUSE 47 EXTEND RIGHT FRESH AIR IND FRESH AIR REQUEST SWITCH FROM FROM AUX HVAC-IGN FUSE 48 (DIAGRAM 6 OF 8) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 8) FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT DIGITAL VIDEO DISC (DVD) DISPLAY FRONT DRIVE AXLE ACTUATOR FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) FSCM FUSE 21 FUEL PUMP FLOW CONTROL MODULE FUSE FUSE BLOCK FUSE HOLDER (ON POSITIVE BATTERY POST) FUSIBLE LINK 1 (14 GA- GARAGE DOOR OPENER (GDO) GENERATOR GMC/CHEVROLET GMLAN GMLAN SER DATA GMLAN SERIAL DATA GROUND GROUND IGN VOLT RER DEFG 300 193 GROUND LOW REF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HEATED, COOLED CUP HOLDER HEATED, LEFT COOLED SPOT CUP LAMP HOLDER HEAVY DUTY ABS FUSE 59 ABS 2 FUSE 9 HIGH TEMP IND HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK DIM FUSE BCM FUSE (LEFT END OF DASH) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HVAC AMBIENT AIR TEMPERATURE SENSOR HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC BATT FUSE 39 HVAC BLWR FUSE 70 ECM-BATT FUSE 12 HVAC CONTROL MODULE I/P FUSE BLOCK I/P FUSE BLOCK (LEFT END END OF DASH) I/P FUSE BLOCK (LEFT END OF DASH) I/P MULTI-FUNCTION SWITCH I/P MULTI-FUNCTION SWITCH TRACTION CONTROL SWITCH IGN INFRARED TRANSMITTER INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM 6817 300 1851 3340 5060 IPC FUSE 46 ITBC FUSE 6 JUMPER HARNESS) JUNCTION BLOCK (LEFT END OF DASH) L/R SELECT SW PWR LED LEFT DN LEFT I/P JUNCTION BLOCK (LEFT LEFT I/P JUNCTION BLOCK (LEFT END LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR WINDOW SWITCH LEFT STEERING SWITCH WHEEL CONTROL LEFT TEMPERATURE CONTROL LEFT, RIGHT PILLAR MOUNTED HALOGEN SPOT LAMP LOCK/UNLOCK PCB RELAY LOGIC LOGIC BLOWER SPEED UP SWITCH LOW REF LOW REF TRAILER BRAKE CONTROL MODULE LOW TEMP IND LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C DRIVER INFORMATION CENTER (DIC) SWITCH MDE CNTRL TEMP CNTRL LOW REF MED IND MED TEMP IND MOBILE RADIO (BLUNT CUT) MOBILE RADIO FUSE BLOCK MODE DOWN SWITCH MODE SELECT SWITCH MODE SIG MTR SIG MODE SWITCH MODE UP SWITCH MTR CNTRL NCA WIRE OF DASH) OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER BACK HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER BACK IND PASSENGER BACK SWITCH PASSENGER CUSHION HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER CUSHION/ PASSENGER CUSHION/ BACK SWITCH PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) PDM FUSE PILLAR) PNK GND WIRE PNK SW SIG MODE SIG TEMP SIG WIRE PNK WIRE PNK/WHT (OR PNK) WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM POWER TONNEAU COVER RECEIVER MODULE PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SIG MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DEFOG SWITCH REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR HVAC FUSE (LEFT END OF DASH) REAR OBJECT SENSOR CONTROL MODULE REAR SEAT AUDIO (RSA) CONTROL RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/ BLK WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RER DEFG AIR TMP GROUND RETRACT RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) (RIGHT FRONT OF HVAC CASE) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH RIGHT TEMPERATURE CONTROL ROOF BEACON SWITCH ROOF POWER BEACON TONNEAU RELAY COVER (IF SLAVE EQUIPPED) MOTOR S/ROOF FUSE 34 AMP FUSE 41 SEAT BACK) SEAT CUSHION) SERIAL DATA SNS CNTRL SNS SIG LF SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL STARTER STUD 1 FUSE 68 STUD 2 FUSE 63 SUNROOF SWITCH SUPPLY VOLT SWC BKLT FUSE SWITCH BREAKOUT) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TEMPERATURE CONTROL TEMPERATURE CONTROL SWITCH TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH THEFT DETERRENT MODULE (TDM) TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 8) TO DLIS FUSE 35 (DIAGRAM 5 OF 8) TO PWR/TRN RELAY (DIAGRAM 4 OF 8) TO RDO FUSE 42 (DIAGRAM 2 OF 8) TO RUN/CRANK RELAY (DIAGRAM 6 OF 8) TRAILER BRAKE CONTROL SWITCH (IF EQUIPPED) TRAILER CONNECTOR (IF EQUIPPED) TRAILER PROVISION (BLUNT CUT) TRANS IGN 1 FUSE 19 TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UP L/R SELECT UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO SIGNAL SPLITTER W/ 2 SPEED ACTIVE PUSH BUTTON CONTROL W/ ACCESSORY STEERING WHEEL CONTROL W/ ACTIVE TRANSFER CASE CONTROL W/ AIR BRAKES, EXCEPT HYBRID W/ CADILLAC ESCLADE PLATINUM APPEARANCE PACKAGE W/ DIGITAL RADIO SYSTEM W/ LUXURY EDITION W/ HEATED MIRRORS W/ HYDRAULIC BRAKES, EXCEPT HYBRID W/ HYDRAULIC W/ ACTIVE BRAKE POWER CONTROL BRAKE W/ IGNITION, MAIN POWER SUPPLY W/ LUXURY EDITION W/ PREMIUM AUDIO W/ SLIDING ROOF W/O ACTIVE TRANSFER CASE CONTROL W/O GARAGE DOOR OPENER W/O LUXURY EDITION W/O W/ LUXURY LUXURY WHT RED/ WIRE WHT WIRE WHT/BLK WIRE WIND- SHIELD WIPER MOTOR WSW/HTR FUSE 66 YEL WIRE YEL/BLK WIRE

Go to component: Air conditioning -> Automatic a/c circuit (1 of 4) -> HVAC CONTROL MODULE

Wiring diagram hvac control module (2 of 12)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LED CNTRL IGN VOLT GROUND B(+) GMLAN L 1 4 5 6 GND GND B+ B+ 1 5 15 3340 5060 1050 B(+) GMLAN L GROUND COMPUTER DATA LINES SYSTEM 193 735 1050 597 6101 DEFOGGER SYSTEM 2 HI 2426 2080 2482 2435 PNK LOW REF LOW REF LOW REF LOW REF WIRE 27 28 63 13 34 12 DATA BUS- DATA BUS+ RLY CTRL LOW REF 5-VOLT REF SENS SIG 3 18 25 10 B+ LED DIM DIM CNTRL GMLAN 3 8 DIM CNTRL PRK LP SW SIG 4 6 B+ GND 4 HI 4 LO 6 12 13 14 1563 1566 1565 1561 2 HI 4 HI 4 LO AWD 6.0L (VIN G) 7 3 SUPPLY VOLT LOW REF 9 2 12 GLMAN SERIAL DATA PNK WIRE A/C A/C CMPRSR FUSE 17 A/C CMPRSR RELAY A/C IND A/C ON A/C ON IND A/C ON SWITCH A/C ON SWITCH LOGIC A/C REFRIGERANT PRESSURE SENSOR (A/C HIGH PRESSURE HOSE) ABS-1 FUSE 61 ACCESSORY POWER OUTLET (DIAGRAM 7 OF 8) AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY ANTI-LOCK BRAKES SYSTEM ASSIST STEP CONTROL MODULE (W/ SIDE RETRACTABLE POWER RUNNING BOARD STEPS) AUDIO SUNROOF AMPLIFIER CONTROL MODULE (W/ SUN GLASS SLIDING ELECTRIC ROOF) AUTO SWITCH AUTO- MATIC AUTOMATIC A/C MANUAL AUTOMATIC A/C MANUAL A/C AUTOMATIC DAY/NIGHT MIRROR AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR (IF EQUIPPED) AUTOMATIC LEVEL CONTROL (ALC) SOLENOID VALVE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP CONTROL MODULE AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY BODY CONTROL MODULE (ABCM) AUXILIARY HVAC CONTROL MODULE (CENTER OF HEADLINER) AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) AWD IND PNK WIRE BACK IND BACK SWITCH BATTERY BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BLOWER CONTROL SWITCH BLOWER MOTOR CONTROL MODULE BLOWER SPEED BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BLWR SPD BODY CONTROL MODULE (BCM) BRAKE (HYBRID) FLUID LEVEL A/C COMPRESSOR SWITCH BREAKOUT) BRN WIRE BRN/WHT WIRE CADILLAC CHEVROLET, GMC AUTOMATIC A/C MANUAL A/C CADILLAC ESCALADE ESV PLATINUM APPEARANCE PACKAGE CADILLAC ESCALADE PLATINUM APPEARANCE PACKAGE CADILLAC GMC/CHERVOLET CADILLAC W/O BODY EQUIPMENT CHEVROLET, GMC W/ ADDITIONAL DVD W/ VEHICLE COMMUNICATION SYSTEM, LUXURY EDITION COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION DATA LINK CONNECTOR DDM FUSE DEFOG IND DEFOGGER SWITCH DFRST VAL DIGITAL RADIO RECEIVER DIM SIG DISABLE SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN DRIVE MOTOR GENERATOR POWER INVERTER MODULE (HYBRID) DRIVER BACK HEATED SEAT ELEMENT (DRIVER'S SEAT BACK) DRIVER BACK IND DRIVER BACK SWITCH DRIVER CUSHION HEATED SEAT ELEMENT (DRIVER'S SEAT CUSHION) DRIVER CUSHION/ DRIVER CUSHION/ BACK IND DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER DOOR LOCK/WINDOW SWITCH DRIVER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) DRIVER SEAT 2 CIRCUIT BREAKER ELEC RUN BOARD FUSE 65 ELECTROCHROMIC MIRROR CIRCUIT ELECTRONIC ENGINE BRAKE CONTROL CONTROL MODULE MODULE (EBCM) (ECM) END OF DASH) END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ESC/ALC EXH FUSE 2 EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) EXCEPT HYBRID HYBRID EXP/PTO FUSE 47 EXTEND RIGHT FRESH AIR IND FRESH AIR REQUEST SWITCH FROM FROM AUX HVAC-IGN FUSE 48 (DIAGRAM 6 OF 8) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 8) FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT DIGITAL VIDEO DISC (DVD) DISPLAY FRONT DRIVE AXLE ACTUATOR FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) FSCM FUSE 21 FUEL PUMP FLOW CONTROL MODULE FUSE FUSE BLOCK FUSE HOLDER (ON POSITIVE BATTERY POST) FUSIBLE LINK 1 (14 GA- GARAGE DOOR OPENER (GDO) GENERATOR GMC/CHEVROLET GMLAN GMLAN SER DATA GMLAN SERIAL DATA GROUND GROUND IGN VOLT RER DEFG 300 193 GROUND LOW REF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HEATED, COOLED CUP HOLDER HEATED, LEFT COOLED SPOT CUP LAMP HOLDER HEAVY DUTY ABS FUSE 59 ABS 2 FUSE 9 HIGH TEMP IND HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK DIM FUSE BCM FUSE (LEFT END OF DASH) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HVAC AMBIENT AIR TEMPERATURE SENSOR HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC BATT FUSE 39 HVAC BLWR FUSE 70 ECM-BATT FUSE 12 HVAC CONTROL MODULE I/P FUSE BLOCK I/P FUSE BLOCK (LEFT END END OF DASH) I/P FUSE BLOCK (LEFT END OF DASH) I/P MULTI-FUNCTION SWITCH I/P MULTI-FUNCTION SWITCH TRACTION CONTROL SWITCH IGN INFRARED TRANSMITTER INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM 6817 300 1851 3340 5060 IPC FUSE 46 ITBC FUSE 6 JUMPER HARNESS) JUNCTION BLOCK (LEFT END OF DASH) L/R SELECT SW PWR LED LEFT DN LEFT I/P JUNCTION BLOCK (LEFT LEFT I/P JUNCTION BLOCK (LEFT END LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR WINDOW SWITCH LEFT STEERING SWITCH WHEEL CONTROL LEFT TEMPERATURE CONTROL LEFT, RIGHT PILLAR MOUNTED HALOGEN SPOT LAMP LOCK/UNLOCK PCB RELAY LOGIC LOGIC BLOWER SPEED UP SWITCH LOW REF LOW REF TRAILER BRAKE CONTROL MODULE LOW TEMP IND LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C DRIVER INFORMATION CENTER (DIC) SWITCH MDE CNTRL TEMP CNTRL LOW REF MED IND MED TEMP IND MOBILE RADIO (BLUNT CUT) MOBILE RADIO FUSE BLOCK MODE DOWN SWITCH MODE SELECT SWITCH MODE SIG MTR SIG MODE SWITCH MODE UP SWITCH MTR CNTRL NCA WIRE OF DASH) OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER BACK HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER BACK IND PASSENGER BACK SWITCH PASSENGER CUSHION HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER CUSHION/ PASSENGER CUSHION/ BACK SWITCH PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) PDM FUSE PILLAR) PNK GND WIRE PNK SW SIG MODE SIG TEMP SIG WIRE PNK WIRE PNK/WHT (OR PNK) WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM POWER TONNEAU COVER RECEIVER MODULE PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SIG MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DEFOG SWITCH REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR HVAC FUSE (LEFT END OF DASH) REAR OBJECT SENSOR CONTROL MODULE REAR SEAT AUDIO (RSA) CONTROL RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/ BLK WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RER DEFG AIR TMP GROUND RETRACT RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) (RIGHT FRONT OF HVAC CASE) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH RIGHT TEMPERATURE CONTROL ROOF BEACON SWITCH ROOF POWER BEACON TONNEAU RELAY COVER (IF SLAVE EQUIPPED) MOTOR S/ROOF FUSE 34 AMP FUSE 41 SEAT BACK) SEAT CUSHION) SERIAL DATA SNS CNTRL SNS SIG LF SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL STARTER STUD 1 FUSE 68 STUD 2 FUSE 63 SUNROOF SWITCH SUPPLY VOLT SWC BKLT FUSE SWITCH BREAKOUT) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TEMPERATURE CONTROL TEMPERATURE CONTROL SWITCH TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH THEFT DETERRENT MODULE (TDM) TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 8) TO DLIS FUSE 35 (DIAGRAM 5 OF 8) TO PWR/TRN RELAY (DIAGRAM 4 OF 8) TO RDO FUSE 42 (DIAGRAM 2 OF 8) TO RUN/CRANK RELAY (DIAGRAM 6 OF 8) TRAILER BRAKE CONTROL SWITCH (IF EQUIPPED) TRAILER CONNECTOR (IF EQUIPPED) TRAILER PROVISION (BLUNT CUT) TRANS IGN 1 FUSE 19 TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UP L/R SELECT UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO SIGNAL SPLITTER W/ 2 SPEED ACTIVE PUSH BUTTON CONTROL W/ ACCESSORY STEERING WHEEL CONTROL W/ ACTIVE TRANSFER CASE CONTROL W/ AIR BRAKES, EXCEPT HYBRID W/ CADILLAC ESCLADE PLATINUM APPEARANCE PACKAGE W/ DIGITAL RADIO SYSTEM W/ LUXURY EDITION W/ HEATED MIRRORS W/ HYDRAULIC BRAKES, EXCEPT HYBRID W/ HYDRAULIC W/ ACTIVE BRAKE POWER CONTROL BRAKE W/ IGNITION, MAIN POWER SUPPLY W/ LUXURY EDITION W/ PREMIUM AUDIO W/ SLIDING ROOF W/O ACTIVE TRANSFER CASE CONTROL W/O GARAGE DOOR OPENER W/O LUXURY EDITION W/O W/ LUXURY LUXURY WHT RED/ WIRE WHT WIRE WHT/BLK WIRE WIND- SHIELD WIPER MOTOR WSW/HTR FUSE 66 YEL WIRE YEL/BLK WIRE

Go to component: Air conditioning -> Automatic a/c circuit (4 of 4) -> HVAC CONTROL MODULE

Wiring diagram hvac control module (3 of 12)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LED CNTRL IGN VOLT GROUND B(+) GMLAN L 1 4 5 6 GND GND B+ B+ 1 5 15 3340 5060 1050 B(+) GMLAN L GROUND COMPUTER DATA LINES SYSTEM 193 735 1050 597 6101 DEFOGGER SYSTEM 2 HI 2426 2080 2482 2435 PNK LOW REF LOW REF LOW REF LOW REF WIRE 27 28 63 13 34 12 DATA BUS- DATA BUS+ RLY CTRL LOW REF 5-VOLT REF SENS SIG 3 18 25 10 B+ LED DIM DIM CNTRL GMLAN 3 8 DIM CNTRL PRK LP SW SIG 4 6 B+ GND 4 HI 4 LO 6 12 13 14 1563 1566 1565 1561 2 HI 4 HI 4 LO AWD 6.0L (VIN G) 7 3 SUPPLY VOLT LOW REF 9 2 12 GLMAN SERIAL DATA PNK WIRE A/C A/C CMPRSR FUSE 17 A/C CMPRSR RELAY A/C IND A/C ON A/C ON IND A/C ON SWITCH A/C ON SWITCH LOGIC A/C REFRIGERANT PRESSURE SENSOR (A/C HIGH PRESSURE HOSE) ABS-1 FUSE 61 ACCESSORY POWER OUTLET (DIAGRAM 7 OF 8) AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY ANTI-LOCK BRAKES SYSTEM ASSIST STEP CONTROL MODULE (W/ SIDE RETRACTABLE POWER RUNNING BOARD STEPS) AUDIO SUNROOF AMPLIFIER CONTROL MODULE (W/ SUN GLASS SLIDING ELECTRIC ROOF) AUTO SWITCH AUTO- MATIC AUTOMATIC A/C MANUAL AUTOMATIC A/C MANUAL A/C AUTOMATIC DAY/NIGHT MIRROR AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR (IF EQUIPPED) AUTOMATIC LEVEL CONTROL (ALC) SOLENOID VALVE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP CONTROL MODULE AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY BODY CONTROL MODULE (ABCM) AUXILIARY HVAC CONTROL MODULE (CENTER OF HEADLINER) AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) AWD IND PNK WIRE BACK IND BACK SWITCH BATTERY BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BLOWER CONTROL SWITCH BLOWER MOTOR CONTROL MODULE BLOWER SPEED BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BLWR SPD BODY CONTROL MODULE (BCM) BRAKE (HYBRID) FLUID LEVEL A/C COMPRESSOR SWITCH BREAKOUT) BRN WIRE BRN/WHT WIRE CADILLAC CHEVROLET, GMC AUTOMATIC A/C MANUAL A/C CADILLAC ESCALADE ESV PLATINUM APPEARANCE PACKAGE CADILLAC ESCALADE PLATINUM APPEARANCE PACKAGE CADILLAC GMC/CHERVOLET CADILLAC W/O BODY EQUIPMENT CHEVROLET, GMC W/ ADDITIONAL DVD W/ VEHICLE COMMUNICATION SYSTEM, LUXURY EDITION COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION DATA LINK CONNECTOR DDM FUSE DEFOG IND DEFOGGER SWITCH DFRST VAL DIGITAL RADIO RECEIVER DIM SIG DISABLE SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN DRIVE MOTOR GENERATOR POWER INVERTER MODULE (HYBRID) DRIVER BACK HEATED SEAT ELEMENT (DRIVER'S SEAT BACK) DRIVER BACK IND DRIVER BACK SWITCH DRIVER CUSHION HEATED SEAT ELEMENT (DRIVER'S SEAT CUSHION) DRIVER CUSHION/ DRIVER CUSHION/ BACK IND DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER DOOR LOCK/WINDOW SWITCH DRIVER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) DRIVER SEAT 2 CIRCUIT BREAKER ELEC RUN BOARD FUSE 65 ELECTROCHROMIC MIRROR CIRCUIT ELECTRONIC ENGINE BRAKE CONTROL CONTROL MODULE MODULE (EBCM) (ECM) END OF DASH) END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ESC/ALC EXH FUSE 2 EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) EXCEPT HYBRID HYBRID EXP/PTO FUSE 47 EXTEND RIGHT FRESH AIR IND FRESH AIR REQUEST SWITCH FROM FROM AUX HVAC-IGN FUSE 48 (DIAGRAM 6 OF 8) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 8) FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT DIGITAL VIDEO DISC (DVD) DISPLAY FRONT DRIVE AXLE ACTUATOR FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) FSCM FUSE 21 FUEL PUMP FLOW CONTROL MODULE FUSE FUSE BLOCK FUSE HOLDER (ON POSITIVE BATTERY POST) FUSIBLE LINK 1 (14 GA- GARAGE DOOR OPENER (GDO) GENERATOR GMC/CHEVROLET GMLAN GMLAN SER DATA GMLAN SERIAL DATA GROUND GROUND IGN VOLT RER DEFG 300 193 GROUND LOW REF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HEATED, COOLED CUP HOLDER HEATED, LEFT COOLED SPOT CUP LAMP HOLDER HEAVY DUTY ABS FUSE 59 ABS 2 FUSE 9 HIGH TEMP IND HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK DIM FUSE BCM FUSE (LEFT END OF DASH) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HVAC AMBIENT AIR TEMPERATURE SENSOR HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC BATT FUSE 39 HVAC BLWR FUSE 70 ECM-BATT FUSE 12 HVAC CONTROL MODULE I/P FUSE BLOCK I/P FUSE BLOCK (LEFT END END OF DASH) I/P FUSE BLOCK (LEFT END OF DASH) I/P MULTI-FUNCTION SWITCH I/P MULTI-FUNCTION SWITCH TRACTION CONTROL SWITCH IGN INFRARED TRANSMITTER INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM 6817 300 1851 3340 5060 IPC FUSE 46 ITBC FUSE 6 JUMPER HARNESS) JUNCTION BLOCK (LEFT END OF DASH) L/R SELECT SW PWR LED LEFT DN LEFT I/P JUNCTION BLOCK (LEFT LEFT I/P JUNCTION BLOCK (LEFT END LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR WINDOW SWITCH LEFT STEERING SWITCH WHEEL CONTROL LEFT TEMPERATURE CONTROL LEFT, RIGHT PILLAR MOUNTED HALOGEN SPOT LAMP LOCK/UNLOCK PCB RELAY LOGIC LOGIC BLOWER SPEED UP SWITCH LOW REF LOW REF TRAILER BRAKE CONTROL MODULE LOW TEMP IND LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C DRIVER INFORMATION CENTER (DIC) SWITCH MDE CNTRL TEMP CNTRL LOW REF MED IND MED TEMP IND MOBILE RADIO (BLUNT CUT) MOBILE RADIO FUSE BLOCK MODE DOWN SWITCH MODE SELECT SWITCH MODE SIG MTR SIG MODE SWITCH MODE UP SWITCH MTR CNTRL NCA WIRE OF DASH) OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER BACK HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER BACK IND PASSENGER BACK SWITCH PASSENGER CUSHION HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER CUSHION/ PASSENGER CUSHION/ BACK SWITCH PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) PDM FUSE PILLAR) PNK GND WIRE PNK SW SIG MODE SIG TEMP SIG WIRE PNK WIRE PNK/WHT (OR PNK) WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM POWER TONNEAU COVER RECEIVER MODULE PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SIG MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DEFOG SWITCH REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR HVAC FUSE (LEFT END OF DASH) REAR OBJECT SENSOR CONTROL MODULE REAR SEAT AUDIO (RSA) CONTROL RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/ BLK WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RER DEFG AIR TMP GROUND RETRACT RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) (RIGHT FRONT OF HVAC CASE) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH RIGHT TEMPERATURE CONTROL ROOF BEACON SWITCH ROOF POWER BEACON TONNEAU RELAY COVER (IF SLAVE EQUIPPED) MOTOR S/ROOF FUSE 34 AMP FUSE 41 SEAT BACK) SEAT CUSHION) SERIAL DATA SNS CNTRL SNS SIG LF SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL STARTER STUD 1 FUSE 68 STUD 2 FUSE 63 SUNROOF SWITCH SUPPLY VOLT SWC BKLT FUSE SWITCH BREAKOUT) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TEMPERATURE CONTROL TEMPERATURE CONTROL SWITCH TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH THEFT DETERRENT MODULE (TDM) TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 8) TO DLIS FUSE 35 (DIAGRAM 5 OF 8) TO PWR/TRN RELAY (DIAGRAM 4 OF 8) TO RDO FUSE 42 (DIAGRAM 2 OF 8) TO RUN/CRANK RELAY (DIAGRAM 6 OF 8) TRAILER BRAKE CONTROL SWITCH (IF EQUIPPED) TRAILER CONNECTOR (IF EQUIPPED) TRAILER PROVISION (BLUNT CUT) TRANS IGN 1 FUSE 19 TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UP L/R SELECT UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO SIGNAL SPLITTER W/ 2 SPEED ACTIVE PUSH BUTTON CONTROL W/ ACCESSORY STEERING WHEEL CONTROL W/ ACTIVE TRANSFER CASE CONTROL W/ AIR BRAKES, EXCEPT HYBRID W/ CADILLAC ESCLADE PLATINUM APPEARANCE PACKAGE W/ DIGITAL RADIO SYSTEM W/ LUXURY EDITION W/ HEATED MIRRORS W/ HYDRAULIC BRAKES, EXCEPT HYBRID W/ HYDRAULIC W/ ACTIVE BRAKE POWER CONTROL BRAKE W/ IGNITION, MAIN POWER SUPPLY W/ LUXURY EDITION W/ PREMIUM AUDIO W/ SLIDING ROOF W/O ACTIVE TRANSFER CASE CONTROL W/O GARAGE DOOR OPENER W/O LUXURY EDITION W/O W/ LUXURY LUXURY WHT RED/ WIRE WHT WIRE WHT/BLK WIRE WIND- SHIELD WIPER MOTOR WSW/HTR FUSE 66 YEL WIRE YEL/BLK WIRE

Go to component: Air conditioning -> Compressor circuit -> HVAC CONTROL MODULE

Wiring diagram hvac control module (4 of 12)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LED CNTRL IGN VOLT GROUND B(+) GMLAN L 1 4 5 6 GND GND B+ B+ 1 5 15 3340 5060 1050 B(+) GMLAN L GROUND COMPUTER DATA LINES SYSTEM 193 735 1050 597 6101 DEFOGGER SYSTEM 2 HI 2426 2080 2482 2435 PNK LOW REF LOW REF LOW REF LOW REF WIRE 27 28 63 13 34 12 DATA BUS- DATA BUS+ RLY CTRL LOW REF 5-VOLT REF SENS SIG 3 18 25 10 B+ LED DIM DIM CNTRL GMLAN 3 8 DIM CNTRL PRK LP SW SIG 4 6 B+ GND 4 HI 4 LO 6 12 13 14 1563 1566 1565 1561 2 HI 4 HI 4 LO AWD 6.0L (VIN G) 7 3 SUPPLY VOLT LOW REF 9 2 12 GLMAN SERIAL DATA PNK WIRE A/C A/C CMPRSR FUSE 17 A/C CMPRSR RELAY A/C IND A/C ON A/C ON IND A/C ON SWITCH A/C ON SWITCH LOGIC A/C REFRIGERANT PRESSURE SENSOR (A/C HIGH PRESSURE HOSE) ABS-1 FUSE 61 ACCESSORY POWER OUTLET (DIAGRAM 7 OF 8) AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY ANTI-LOCK BRAKES SYSTEM ASSIST STEP CONTROL MODULE (W/ SIDE RETRACTABLE POWER RUNNING BOARD STEPS) AUDIO SUNROOF AMPLIFIER CONTROL MODULE (W/ SUN GLASS SLIDING ELECTRIC ROOF) AUTO SWITCH AUTO- MATIC AUTOMATIC A/C MANUAL AUTOMATIC A/C MANUAL A/C AUTOMATIC DAY/NIGHT MIRROR AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR (IF EQUIPPED) AUTOMATIC LEVEL CONTROL (ALC) SOLENOID VALVE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP CONTROL MODULE AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY BODY CONTROL MODULE (ABCM) AUXILIARY HVAC CONTROL MODULE (CENTER OF HEADLINER) AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) AWD IND PNK WIRE BACK IND BACK SWITCH BATTERY BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BLOWER CONTROL SWITCH BLOWER MOTOR CONTROL MODULE BLOWER SPEED BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BLWR SPD BODY CONTROL MODULE (BCM) BRAKE (HYBRID) FLUID LEVEL A/C COMPRESSOR SWITCH BREAKOUT) BRN WIRE BRN/WHT WIRE CADILLAC CHEVROLET, GMC AUTOMATIC A/C MANUAL A/C CADILLAC ESCALADE ESV PLATINUM APPEARANCE PACKAGE CADILLAC ESCALADE PLATINUM APPEARANCE PACKAGE CADILLAC GMC/CHERVOLET CADILLAC W/O BODY EQUIPMENT CHEVROLET, GMC W/ ADDITIONAL DVD W/ VEHICLE COMMUNICATION SYSTEM, LUXURY EDITION COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION DATA LINK CONNECTOR DDM FUSE DEFOG IND DEFOGGER SWITCH DFRST VAL DIGITAL RADIO RECEIVER DIM SIG DISABLE SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN DRIVE MOTOR GENERATOR POWER INVERTER MODULE (HYBRID) DRIVER BACK HEATED SEAT ELEMENT (DRIVER'S SEAT BACK) DRIVER BACK IND DRIVER BACK SWITCH DRIVER CUSHION HEATED SEAT ELEMENT (DRIVER'S SEAT CUSHION) DRIVER CUSHION/ DRIVER CUSHION/ BACK IND DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER DOOR LOCK/WINDOW SWITCH DRIVER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) DRIVER SEAT 2 CIRCUIT BREAKER ELEC RUN BOARD FUSE 65 ELECTROCHROMIC MIRROR CIRCUIT ELECTRONIC ENGINE BRAKE CONTROL CONTROL MODULE MODULE (EBCM) (ECM) END OF DASH) END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ESC/ALC EXH FUSE 2 EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) EXCEPT HYBRID HYBRID EXP/PTO FUSE 47 EXTEND RIGHT FRESH AIR IND FRESH AIR REQUEST SWITCH FROM FROM AUX HVAC-IGN FUSE 48 (DIAGRAM 6 OF 8) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 8) FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT DIGITAL VIDEO DISC (DVD) DISPLAY FRONT DRIVE AXLE ACTUATOR FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) FSCM FUSE 21 FUEL PUMP FLOW CONTROL MODULE FUSE FUSE BLOCK FUSE HOLDER (ON POSITIVE BATTERY POST) FUSIBLE LINK 1 (14 GA- GARAGE DOOR OPENER (GDO) GENERATOR GMC/CHEVROLET GMLAN GMLAN SER DATA GMLAN SERIAL DATA GROUND GROUND IGN VOLT RER DEFG 300 193 GROUND LOW REF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HEATED, COOLED CUP HOLDER HEATED, LEFT COOLED SPOT CUP LAMP HOLDER HEAVY DUTY ABS FUSE 59 ABS 2 FUSE 9 HIGH TEMP IND HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK DIM FUSE BCM FUSE (LEFT END OF DASH) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HVAC AMBIENT AIR TEMPERATURE SENSOR HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC BATT FUSE 39 HVAC BLWR FUSE 70 ECM-BATT FUSE 12 HVAC CONTROL MODULE I/P FUSE BLOCK I/P FUSE BLOCK (LEFT END END OF DASH) I/P FUSE BLOCK (LEFT END OF DASH) I/P MULTI-FUNCTION SWITCH I/P MULTI-FUNCTION SWITCH TRACTION CONTROL SWITCH IGN INFRARED TRANSMITTER INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM 6817 300 1851 3340 5060 IPC FUSE 46 ITBC FUSE 6 JUMPER HARNESS) JUNCTION BLOCK (LEFT END OF DASH) L/R SELECT SW PWR LED LEFT DN LEFT I/P JUNCTION BLOCK (LEFT LEFT I/P JUNCTION BLOCK (LEFT END LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR WINDOW SWITCH LEFT STEERING SWITCH WHEEL CONTROL LEFT TEMPERATURE CONTROL LEFT, RIGHT PILLAR MOUNTED HALOGEN SPOT LAMP LOCK/UNLOCK PCB RELAY LOGIC LOGIC BLOWER SPEED UP SWITCH LOW REF LOW REF TRAILER BRAKE CONTROL MODULE LOW TEMP IND LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C DRIVER INFORMATION CENTER (DIC) SWITCH MDE CNTRL TEMP CNTRL LOW REF MED IND MED TEMP IND MOBILE RADIO (BLUNT CUT) MOBILE RADIO FUSE BLOCK MODE DOWN SWITCH MODE SELECT SWITCH MODE SIG MTR SIG MODE SWITCH MODE UP SWITCH MTR CNTRL NCA WIRE OF DASH) OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER BACK HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER BACK IND PASSENGER BACK SWITCH PASSENGER CUSHION HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER CUSHION/ PASSENGER CUSHION/ BACK SWITCH PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) PDM FUSE PILLAR) PNK GND WIRE PNK SW SIG MODE SIG TEMP SIG WIRE PNK WIRE PNK/WHT (OR PNK) WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM POWER TONNEAU COVER RECEIVER MODULE PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SIG MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DEFOG SWITCH REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR HVAC FUSE (LEFT END OF DASH) REAR OBJECT SENSOR CONTROL MODULE REAR SEAT AUDIO (RSA) CONTROL RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/ BLK WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RER DEFG AIR TMP GROUND RETRACT RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) (RIGHT FRONT OF HVAC CASE) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH RIGHT TEMPERATURE CONTROL ROOF BEACON SWITCH ROOF POWER BEACON TONNEAU RELAY COVER (IF SLAVE EQUIPPED) MOTOR S/ROOF FUSE 34 AMP FUSE 41 SEAT BACK) SEAT CUSHION) SERIAL DATA SNS CNTRL SNS SIG LF SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL STARTER STUD 1 FUSE 68 STUD 2 FUSE 63 SUNROOF SWITCH SUPPLY VOLT SWC BKLT FUSE SWITCH BREAKOUT) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TEMPERATURE CONTROL TEMPERATURE CONTROL SWITCH TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH THEFT DETERRENT MODULE (TDM) TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 8) TO DLIS FUSE 35 (DIAGRAM 5 OF 8) TO PWR/TRN RELAY (DIAGRAM 4 OF 8) TO RDO FUSE 42 (DIAGRAM 2 OF 8) TO RUN/CRANK RELAY (DIAGRAM 6 OF 8) TRAILER BRAKE CONTROL SWITCH (IF EQUIPPED) TRAILER CONNECTOR (IF EQUIPPED) TRAILER PROVISION (BLUNT CUT) TRANS IGN 1 FUSE 19 TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UP L/R SELECT UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO SIGNAL SPLITTER W/ 2 SPEED ACTIVE PUSH BUTTON CONTROL W/ ACCESSORY STEERING WHEEL CONTROL W/ ACTIVE TRANSFER CASE CONTROL W/ AIR BRAKES, EXCEPT HYBRID W/ CADILLAC ESCLADE PLATINUM APPEARANCE PACKAGE W/ DIGITAL RADIO SYSTEM W/ LUXURY EDITION W/ HEATED MIRRORS W/ HYDRAULIC BRAKES, EXCEPT HYBRID W/ HYDRAULIC W/ ACTIVE BRAKE POWER CONTROL BRAKE W/ IGNITION, MAIN POWER SUPPLY W/ LUXURY EDITION W/ PREMIUM AUDIO W/ SLIDING ROOF W/O ACTIVE TRANSFER CASE CONTROL W/O GARAGE DOOR OPENER W/O LUXURY EDITION W/O W/ LUXURY LUXURY WHT RED/ WIRE WHT WIRE WHT/BLK WIRE WIND- SHIELD WIPER MOTOR WSW/HTR FUSE 66 YEL WIRE YEL/BLK WIRE

Go to component: Power seats -> Front heated seats circuit (1 of 2) -> HVAC CONTROL MODULE

Wiring diagram hvac control module (5 of 12)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LED CNTRL IGN VOLT GROUND B(+) GMLAN L 1 4 5 6 GND GND B+ B+ 1 5 15 3340 5060 1050 B(+) GMLAN L GROUND COMPUTER DATA LINES SYSTEM 193 735 1050 597 6101 DEFOGGER SYSTEM 2 HI 2426 2080 2482 2435 PNK LOW REF LOW REF LOW REF LOW REF WIRE 27 28 63 13 34 12 DATA BUS- DATA BUS+ RLY CTRL LOW REF 5-VOLT REF SENS SIG 3 18 25 10 B+ LED DIM DIM CNTRL GMLAN 3 8 DIM CNTRL PRK LP SW SIG 4 6 B+ GND 4 HI 4 LO 6 12 13 14 1563 1566 1565 1561 2 HI 4 HI 4 LO AWD 6.0L (VIN G) 7 3 SUPPLY VOLT LOW REF 9 2 12 GLMAN SERIAL DATA PNK WIRE A/C A/C CMPRSR FUSE 17 A/C CMPRSR RELAY A/C IND A/C ON A/C ON IND A/C ON SWITCH A/C ON SWITCH LOGIC A/C REFRIGERANT PRESSURE SENSOR (A/C HIGH PRESSURE HOSE) ABS-1 FUSE 61 ACCESSORY POWER OUTLET (DIAGRAM 7 OF 8) AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY ANTI-LOCK BRAKES SYSTEM ASSIST STEP CONTROL MODULE (W/ SIDE RETRACTABLE POWER RUNNING BOARD STEPS) AUDIO SUNROOF AMPLIFIER CONTROL MODULE (W/ SUN GLASS SLIDING ELECTRIC ROOF) AUTO SWITCH AUTO- MATIC AUTOMATIC A/C MANUAL AUTOMATIC A/C MANUAL A/C AUTOMATIC DAY/NIGHT MIRROR AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR (IF EQUIPPED) AUTOMATIC LEVEL CONTROL (ALC) SOLENOID VALVE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP CONTROL MODULE AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY BODY CONTROL MODULE (ABCM) AUXILIARY HVAC CONTROL MODULE (CENTER OF HEADLINER) AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) AWD IND PNK WIRE BACK IND BACK SWITCH BATTERY BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BLOWER CONTROL SWITCH BLOWER MOTOR CONTROL MODULE BLOWER SPEED BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BLWR SPD BODY CONTROL MODULE (BCM) BRAKE (HYBRID) FLUID LEVEL A/C COMPRESSOR SWITCH BREAKOUT) BRN WIRE BRN/WHT WIRE CADILLAC CHEVROLET, GMC AUTOMATIC A/C MANUAL A/C CADILLAC ESCALADE ESV PLATINUM APPEARANCE PACKAGE CADILLAC ESCALADE PLATINUM APPEARANCE PACKAGE CADILLAC GMC/CHERVOLET CADILLAC W/O BODY EQUIPMENT CHEVROLET, GMC W/ ADDITIONAL DVD W/ VEHICLE COMMUNICATION SYSTEM, LUXURY EDITION COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION DATA LINK CONNECTOR DDM FUSE DEFOG IND DEFOGGER SWITCH DFRST VAL DIGITAL RADIO RECEIVER DIM SIG DISABLE SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN DRIVE MOTOR GENERATOR POWER INVERTER MODULE (HYBRID) DRIVER BACK HEATED SEAT ELEMENT (DRIVER'S SEAT BACK) DRIVER BACK IND DRIVER BACK SWITCH DRIVER CUSHION HEATED SEAT ELEMENT (DRIVER'S SEAT CUSHION) DRIVER CUSHION/ DRIVER CUSHION/ BACK IND DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER DOOR LOCK/WINDOW SWITCH DRIVER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) DRIVER SEAT 2 CIRCUIT BREAKER ELEC RUN BOARD FUSE 65 ELECTROCHROMIC MIRROR CIRCUIT ELECTRONIC ENGINE BRAKE CONTROL CONTROL MODULE MODULE (EBCM) (ECM) END OF DASH) END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ESC/ALC EXH FUSE 2 EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) EXCEPT HYBRID HYBRID EXP/PTO FUSE 47 EXTEND RIGHT FRESH AIR IND FRESH AIR REQUEST SWITCH FROM FROM AUX HVAC-IGN FUSE 48 (DIAGRAM 6 OF 8) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 8) FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT DIGITAL VIDEO DISC (DVD) DISPLAY FRONT DRIVE AXLE ACTUATOR FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) FSCM FUSE 21 FUEL PUMP FLOW CONTROL MODULE FUSE FUSE BLOCK FUSE HOLDER (ON POSITIVE BATTERY POST) FUSIBLE LINK 1 (14 GA- GARAGE DOOR OPENER (GDO) GENERATOR GMC/CHEVROLET GMLAN GMLAN SER DATA GMLAN SERIAL DATA GROUND GROUND IGN VOLT RER DEFG 300 193 GROUND LOW REF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HEATED, COOLED CUP HOLDER HEATED, LEFT COOLED SPOT CUP LAMP HOLDER HEAVY DUTY ABS FUSE 59 ABS 2 FUSE 9 HIGH TEMP IND HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK DIM FUSE BCM FUSE (LEFT END OF DASH) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HVAC AMBIENT AIR TEMPERATURE SENSOR HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC BATT FUSE 39 HVAC BLWR FUSE 70 ECM-BATT FUSE 12 HVAC CONTROL MODULE I/P FUSE BLOCK I/P FUSE BLOCK (LEFT END END OF DASH) I/P FUSE BLOCK (LEFT END OF DASH) I/P MULTI-FUNCTION SWITCH I/P MULTI-FUNCTION SWITCH TRACTION CONTROL SWITCH IGN INFRARED TRANSMITTER INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM 6817 300 1851 3340 5060 IPC FUSE 46 ITBC FUSE 6 JUMPER HARNESS) JUNCTION BLOCK (LEFT END OF DASH) L/R SELECT SW PWR LED LEFT DN LEFT I/P JUNCTION BLOCK (LEFT LEFT I/P JUNCTION BLOCK (LEFT END LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR WINDOW SWITCH LEFT STEERING SWITCH WHEEL CONTROL LEFT TEMPERATURE CONTROL LEFT, RIGHT PILLAR MOUNTED HALOGEN SPOT LAMP LOCK/UNLOCK PCB RELAY LOGIC LOGIC BLOWER SPEED UP SWITCH LOW REF LOW REF TRAILER BRAKE CONTROL MODULE LOW TEMP IND LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C DRIVER INFORMATION CENTER (DIC) SWITCH MDE CNTRL TEMP CNTRL LOW REF MED IND MED TEMP IND MOBILE RADIO (BLUNT CUT) MOBILE RADIO FUSE BLOCK MODE DOWN SWITCH MODE SELECT SWITCH MODE SIG MTR SIG MODE SWITCH MODE UP SWITCH MTR CNTRL NCA WIRE OF DASH) OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER BACK HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER BACK IND PASSENGER BACK SWITCH PASSENGER CUSHION HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER CUSHION/ PASSENGER CUSHION/ BACK SWITCH PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) PDM FUSE PILLAR) PNK GND WIRE PNK SW SIG MODE SIG TEMP SIG WIRE PNK WIRE PNK/WHT (OR PNK) WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM POWER TONNEAU COVER RECEIVER MODULE PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SIG MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DEFOG SWITCH REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR HVAC FUSE (LEFT END OF DASH) REAR OBJECT SENSOR CONTROL MODULE REAR SEAT AUDIO (RSA) CONTROL RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/ BLK WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RER DEFG AIR TMP GROUND RETRACT RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) (RIGHT FRONT OF HVAC CASE) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH RIGHT TEMPERATURE CONTROL ROOF BEACON SWITCH ROOF POWER BEACON TONNEAU RELAY COVER (IF SLAVE EQUIPPED) MOTOR S/ROOF FUSE 34 AMP FUSE 41 SEAT BACK) SEAT CUSHION) SERIAL DATA SNS CNTRL SNS SIG LF SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL STARTER STUD 1 FUSE 68 STUD 2 FUSE 63 SUNROOF SWITCH SUPPLY VOLT SWC BKLT FUSE SWITCH BREAKOUT) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TEMPERATURE CONTROL TEMPERATURE CONTROL SWITCH TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH THEFT DETERRENT MODULE (TDM) TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 8) TO DLIS FUSE 35 (DIAGRAM 5 OF 8) TO PWR/TRN RELAY (DIAGRAM 4 OF 8) TO RDO FUSE 42 (DIAGRAM 2 OF 8) TO RUN/CRANK RELAY (DIAGRAM 6 OF 8) TRAILER BRAKE CONTROL SWITCH (IF EQUIPPED) TRAILER CONNECTOR (IF EQUIPPED) TRAILER PROVISION (BLUNT CUT) TRANS IGN 1 FUSE 19 TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UP L/R SELECT UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO SIGNAL SPLITTER W/ 2 SPEED ACTIVE PUSH BUTTON CONTROL W/ ACCESSORY STEERING WHEEL CONTROL W/ ACTIVE TRANSFER CASE CONTROL W/ AIR BRAKES, EXCEPT HYBRID W/ CADILLAC ESCLADE PLATINUM APPEARANCE PACKAGE W/ DIGITAL RADIO SYSTEM W/ LUXURY EDITION W/ HEATED MIRRORS W/ HYDRAULIC BRAKES, EXCEPT HYBRID W/ HYDRAULIC W/ ACTIVE BRAKE POWER CONTROL BRAKE W/ IGNITION, MAIN POWER SUPPLY W/ LUXURY EDITION W/ PREMIUM AUDIO W/ SLIDING ROOF W/O ACTIVE TRANSFER CASE CONTROL W/O GARAGE DOOR OPENER W/O LUXURY EDITION W/O W/ LUXURY LUXURY WHT RED/ WIRE WHT WIRE WHT/BLK WIRE WIND- SHIELD WIPER MOTOR WSW/HTR FUSE 66 YEL WIRE YEL/BLK WIRE

Go to component: Ground distribution -> Ground distribution circuit (4 of 6) -> HVAC CONTROL MODULE

Wiring diagram hvac control module (6 of 12)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LED CNTRL IGN VOLT GROUND B(+) GMLAN L 1 4 5 6 GND GND B+ B+ 1 5 15 3340 5060 1050 B(+) GMLAN L GROUND COMPUTER DATA LINES SYSTEM 193 735 1050 597 6101 DEFOGGER SYSTEM 2 HI 2426 2080 2482 2435 PNK LOW REF LOW REF LOW REF LOW REF WIRE 27 28 63 13 34 12 DATA BUS- DATA BUS+ RLY CTRL LOW REF 5-VOLT REF SENS SIG 3 18 25 10 B+ LED DIM DIM CNTRL GMLAN 3 8 DIM CNTRL PRK LP SW SIG 4 6 B+ GND 4 HI 4 LO 6 12 13 14 1563 1566 1565 1561 2 HI 4 HI 4 LO AWD 6.0L (VIN G) 7 3 SUPPLY VOLT LOW REF 9 2 12 GLMAN SERIAL DATA PNK WIRE A/C A/C CMPRSR FUSE 17 A/C CMPRSR RELAY A/C IND A/C ON A/C ON IND A/C ON SWITCH A/C ON SWITCH LOGIC A/C REFRIGERANT PRESSURE SENSOR (A/C HIGH PRESSURE HOSE) ABS-1 FUSE 61 ACCESSORY POWER OUTLET (DIAGRAM 7 OF 8) AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY ANTI-LOCK BRAKES SYSTEM ASSIST STEP CONTROL MODULE (W/ SIDE RETRACTABLE POWER RUNNING BOARD STEPS) AUDIO SUNROOF AMPLIFIER CONTROL MODULE (W/ SUN GLASS SLIDING ELECTRIC ROOF) AUTO SWITCH AUTO- MATIC AUTOMATIC A/C MANUAL AUTOMATIC A/C MANUAL A/C AUTOMATIC DAY/NIGHT MIRROR AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR (IF EQUIPPED) AUTOMATIC LEVEL CONTROL (ALC) SOLENOID VALVE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP CONTROL MODULE AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY BODY CONTROL MODULE (ABCM) AUXILIARY HVAC CONTROL MODULE (CENTER OF HEADLINER) AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) AWD IND PNK WIRE BACK IND BACK SWITCH BATTERY BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BLOWER CONTROL SWITCH BLOWER MOTOR CONTROL MODULE BLOWER SPEED BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BLWR SPD BODY CONTROL MODULE (BCM) BRAKE (HYBRID) FLUID LEVEL A/C COMPRESSOR SWITCH BREAKOUT) BRN WIRE BRN/WHT WIRE CADILLAC CHEVROLET, GMC AUTOMATIC A/C MANUAL A/C CADILLAC ESCALADE ESV PLATINUM APPEARANCE PACKAGE CADILLAC ESCALADE PLATINUM APPEARANCE PACKAGE CADILLAC GMC/CHERVOLET CADILLAC W/O BODY EQUIPMENT CHEVROLET, GMC W/ ADDITIONAL DVD W/ VEHICLE COMMUNICATION SYSTEM, LUXURY EDITION COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION DATA LINK CONNECTOR DDM FUSE DEFOG IND DEFOGGER SWITCH DFRST VAL DIGITAL RADIO RECEIVER DIM SIG DISABLE SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN DRIVE MOTOR GENERATOR POWER INVERTER MODULE (HYBRID) DRIVER BACK HEATED SEAT ELEMENT (DRIVER'S SEAT BACK) DRIVER BACK IND DRIVER BACK SWITCH DRIVER CUSHION HEATED SEAT ELEMENT (DRIVER'S SEAT CUSHION) DRIVER CUSHION/ DRIVER CUSHION/ BACK IND DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER DOOR LOCK/WINDOW SWITCH DRIVER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) DRIVER SEAT 2 CIRCUIT BREAKER ELEC RUN BOARD FUSE 65 ELECTROCHROMIC MIRROR CIRCUIT ELECTRONIC ENGINE BRAKE CONTROL CONTROL MODULE MODULE (EBCM) (ECM) END OF DASH) END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ESC/ALC EXH FUSE 2 EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) EXCEPT HYBRID HYBRID EXP/PTO FUSE 47 EXTEND RIGHT FRESH AIR IND FRESH AIR REQUEST SWITCH FROM FROM AUX HVAC-IGN FUSE 48 (DIAGRAM 6 OF 8) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 8) FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT DIGITAL VIDEO DISC (DVD) DISPLAY FRONT DRIVE AXLE ACTUATOR FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) FSCM FUSE 21 FUEL PUMP FLOW CONTROL MODULE FUSE FUSE BLOCK FUSE HOLDER (ON POSITIVE BATTERY POST) FUSIBLE LINK 1 (14 GA- GARAGE DOOR OPENER (GDO) GENERATOR GMC/CHEVROLET GMLAN GMLAN SER DATA GMLAN SERIAL DATA GROUND GROUND IGN VOLT RER DEFG 300 193 GROUND LOW REF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HEATED, COOLED CUP HOLDER HEATED, LEFT COOLED SPOT CUP LAMP HOLDER HEAVY DUTY ABS FUSE 59 ABS 2 FUSE 9 HIGH TEMP IND HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK DIM FUSE BCM FUSE (LEFT END OF DASH) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HVAC AMBIENT AIR TEMPERATURE SENSOR HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC BATT FUSE 39 HVAC BLWR FUSE 70 ECM-BATT FUSE 12 HVAC CONTROL MODULE I/P FUSE BLOCK I/P FUSE BLOCK (LEFT END END OF DASH) I/P FUSE BLOCK (LEFT END OF DASH) I/P MULTI-FUNCTION SWITCH I/P MULTI-FUNCTION SWITCH TRACTION CONTROL SWITCH IGN INFRARED TRANSMITTER INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM 6817 300 1851 3340 5060 IPC FUSE 46 ITBC FUSE 6 JUMPER HARNESS) JUNCTION BLOCK (LEFT END OF DASH) L/R SELECT SW PWR LED LEFT DN LEFT I/P JUNCTION BLOCK (LEFT LEFT I/P JUNCTION BLOCK (LEFT END LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR WINDOW SWITCH LEFT STEERING SWITCH WHEEL CONTROL LEFT TEMPERATURE CONTROL LEFT, RIGHT PILLAR MOUNTED HALOGEN SPOT LAMP LOCK/UNLOCK PCB RELAY LOGIC LOGIC BLOWER SPEED UP SWITCH LOW REF LOW REF TRAILER BRAKE CONTROL MODULE LOW TEMP IND LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C DRIVER INFORMATION CENTER (DIC) SWITCH MDE CNTRL TEMP CNTRL LOW REF MED IND MED TEMP IND MOBILE RADIO (BLUNT CUT) MOBILE RADIO FUSE BLOCK MODE DOWN SWITCH MODE SELECT SWITCH MODE SIG MTR SIG MODE SWITCH MODE UP SWITCH MTR CNTRL NCA WIRE OF DASH) OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER BACK HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER BACK IND PASSENGER BACK SWITCH PASSENGER CUSHION HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER CUSHION/ PASSENGER CUSHION/ BACK SWITCH PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) PDM FUSE PILLAR) PNK GND WIRE PNK SW SIG MODE SIG TEMP SIG WIRE PNK WIRE PNK/WHT (OR PNK) WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM POWER TONNEAU COVER RECEIVER MODULE PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SIG MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DEFOG SWITCH REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR HVAC FUSE (LEFT END OF DASH) REAR OBJECT SENSOR CONTROL MODULE REAR SEAT AUDIO (RSA) CONTROL RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/ BLK WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RER DEFG AIR TMP GROUND RETRACT RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) (RIGHT FRONT OF HVAC CASE) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH RIGHT TEMPERATURE CONTROL ROOF BEACON SWITCH ROOF POWER BEACON TONNEAU RELAY COVER (IF SLAVE EQUIPPED) MOTOR S/ROOF FUSE 34 AMP FUSE 41 SEAT BACK) SEAT CUSHION) SERIAL DATA SNS CNTRL SNS SIG LF SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL STARTER STUD 1 FUSE 68 STUD 2 FUSE 63 SUNROOF SWITCH SUPPLY VOLT SWC BKLT FUSE SWITCH BREAKOUT) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TEMPERATURE CONTROL TEMPERATURE CONTROL SWITCH TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH THEFT DETERRENT MODULE (TDM) TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 8) TO DLIS FUSE 35 (DIAGRAM 5 OF 8) TO PWR/TRN RELAY (DIAGRAM 4 OF 8) TO RDO FUSE 42 (DIAGRAM 2 OF 8) TO RUN/CRANK RELAY (DIAGRAM 6 OF 8) TRAILER BRAKE CONTROL SWITCH (IF EQUIPPED) TRAILER CONNECTOR (IF EQUIPPED) TRAILER PROVISION (BLUNT CUT) TRANS IGN 1 FUSE 19 TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UP L/R SELECT UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO SIGNAL SPLITTER W/ 2 SPEED ACTIVE PUSH BUTTON CONTROL W/ ACCESSORY STEERING WHEEL CONTROL W/ ACTIVE TRANSFER CASE CONTROL W/ AIR BRAKES, EXCEPT HYBRID W/ CADILLAC ESCLADE PLATINUM APPEARANCE PACKAGE W/ DIGITAL RADIO SYSTEM W/ LUXURY EDITION W/ HEATED MIRRORS W/ HYDRAULIC BRAKES, EXCEPT HYBRID W/ HYDRAULIC W/ ACTIVE BRAKE POWER CONTROL BRAKE W/ IGNITION, MAIN POWER SUPPLY W/ LUXURY EDITION W/ PREMIUM AUDIO W/ SLIDING ROOF W/O ACTIVE TRANSFER CASE CONTROL W/O GARAGE DOOR OPENER W/O LUXURY EDITION W/O W/ LUXURY LUXURY WHT RED/ WIRE WHT WIRE WHT/BLK WIRE WIND- SHIELD WIPER MOTOR WSW/HTR FUSE 66 YEL WIRE YEL/BLK WIRE

Go to component: Defoggers -> Heated mirrors circuit -> HVAC CONTROL MODULE

Wiring diagram hvac control module (7 of 12)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LED CNTRL IGN VOLT GROUND B(+) GMLAN L 1 4 5 6 GND GND B+ B+ 1 5 15 3340 5060 1050 B(+) GMLAN L GROUND COMPUTER DATA LINES SYSTEM 193 735 1050 597 6101 DEFOGGER SYSTEM 2 HI 2426 2080 2482 2435 PNK LOW REF LOW REF LOW REF LOW REF WIRE 27 28 63 13 34 12 DATA BUS- DATA BUS+ RLY CTRL LOW REF 5-VOLT REF SENS SIG 3 18 25 10 B+ LED DIM DIM CNTRL GMLAN 3 8 DIM CNTRL PRK LP SW SIG 4 6 B+ GND 4 HI 4 LO 6 12 13 14 1563 1566 1565 1561 2 HI 4 HI 4 LO AWD 6.0L (VIN G) 7 3 SUPPLY VOLT LOW REF 9 2 12 GLMAN SERIAL DATA PNK WIRE A/C A/C CMPRSR FUSE 17 A/C CMPRSR RELAY A/C IND A/C ON A/C ON IND A/C ON SWITCH A/C ON SWITCH LOGIC A/C REFRIGERANT PRESSURE SENSOR (A/C HIGH PRESSURE HOSE) ABS-1 FUSE 61 ACCESSORY POWER OUTLET (DIAGRAM 7 OF 8) AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY ANTI-LOCK BRAKES SYSTEM ASSIST STEP CONTROL MODULE (W/ SIDE RETRACTABLE POWER RUNNING BOARD STEPS) AUDIO SUNROOF AMPLIFIER CONTROL MODULE (W/ SUN GLASS SLIDING ELECTRIC ROOF) AUTO SWITCH AUTO- MATIC AUTOMATIC A/C MANUAL AUTOMATIC A/C MANUAL A/C AUTOMATIC DAY/NIGHT MIRROR AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR (IF EQUIPPED) AUTOMATIC LEVEL CONTROL (ALC) SOLENOID VALVE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP CONTROL MODULE AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY BODY CONTROL MODULE (ABCM) AUXILIARY HVAC CONTROL MODULE (CENTER OF HEADLINER) AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) AWD IND PNK WIRE BACK IND BACK SWITCH BATTERY BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BLOWER CONTROL SWITCH BLOWER MOTOR CONTROL MODULE BLOWER SPEED BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BLWR SPD BODY CONTROL MODULE (BCM) BRAKE (HYBRID) FLUID LEVEL A/C COMPRESSOR SWITCH BREAKOUT) BRN WIRE BRN/WHT WIRE CADILLAC CHEVROLET, GMC AUTOMATIC A/C MANUAL A/C CADILLAC ESCALADE ESV PLATINUM APPEARANCE PACKAGE CADILLAC ESCALADE PLATINUM APPEARANCE PACKAGE CADILLAC GMC/CHERVOLET CADILLAC W/O BODY EQUIPMENT CHEVROLET, GMC W/ ADDITIONAL DVD W/ VEHICLE COMMUNICATION SYSTEM, LUXURY EDITION COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION DATA LINK CONNECTOR DDM FUSE DEFOG IND DEFOGGER SWITCH DFRST VAL DIGITAL RADIO RECEIVER DIM SIG DISABLE SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN DRIVE MOTOR GENERATOR POWER INVERTER MODULE (HYBRID) DRIVER BACK HEATED SEAT ELEMENT (DRIVER'S SEAT BACK) DRIVER BACK IND DRIVER BACK SWITCH DRIVER CUSHION HEATED SEAT ELEMENT (DRIVER'S SEAT CUSHION) DRIVER CUSHION/ DRIVER CUSHION/ BACK IND DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER DOOR LOCK/WINDOW SWITCH DRIVER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) DRIVER SEAT 2 CIRCUIT BREAKER ELEC RUN BOARD FUSE 65 ELECTROCHROMIC MIRROR CIRCUIT ELECTRONIC ENGINE BRAKE CONTROL CONTROL MODULE MODULE (EBCM) (ECM) END OF DASH) END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ESC/ALC EXH FUSE 2 EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) EXCEPT HYBRID HYBRID EXP/PTO FUSE 47 EXTEND RIGHT FRESH AIR IND FRESH AIR REQUEST SWITCH FROM FROM AUX HVAC-IGN FUSE 48 (DIAGRAM 6 OF 8) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 8) FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT DIGITAL VIDEO DISC (DVD) DISPLAY FRONT DRIVE AXLE ACTUATOR FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) FSCM FUSE 21 FUEL PUMP FLOW CONTROL MODULE FUSE FUSE BLOCK FUSE HOLDER (ON POSITIVE BATTERY POST) FUSIBLE LINK 1 (14 GA- GARAGE DOOR OPENER (GDO) GENERATOR GMC/CHEVROLET GMLAN GMLAN SER DATA GMLAN SERIAL DATA GROUND GROUND IGN VOLT RER DEFG 300 193 GROUND LOW REF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HEATED, COOLED CUP HOLDER HEATED, LEFT COOLED SPOT CUP LAMP HOLDER HEAVY DUTY ABS FUSE 59 ABS 2 FUSE 9 HIGH TEMP IND HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK DIM FUSE BCM FUSE (LEFT END OF DASH) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HVAC AMBIENT AIR TEMPERATURE SENSOR HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC BATT FUSE 39 HVAC BLWR FUSE 70 ECM-BATT FUSE 12 HVAC CONTROL MODULE I/P FUSE BLOCK I/P FUSE BLOCK (LEFT END END OF DASH) I/P FUSE BLOCK (LEFT END OF DASH) I/P MULTI-FUNCTION SWITCH I/P MULTI-FUNCTION SWITCH TRACTION CONTROL SWITCH IGN INFRARED TRANSMITTER INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM 6817 300 1851 3340 5060 IPC FUSE 46 ITBC FUSE 6 JUMPER HARNESS) JUNCTION BLOCK (LEFT END OF DASH) L/R SELECT SW PWR LED LEFT DN LEFT I/P JUNCTION BLOCK (LEFT LEFT I/P JUNCTION BLOCK (LEFT END LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR WINDOW SWITCH LEFT STEERING SWITCH WHEEL CONTROL LEFT TEMPERATURE CONTROL LEFT, RIGHT PILLAR MOUNTED HALOGEN SPOT LAMP LOCK/UNLOCK PCB RELAY LOGIC LOGIC BLOWER SPEED UP SWITCH LOW REF LOW REF TRAILER BRAKE CONTROL MODULE LOW TEMP IND LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C DRIVER INFORMATION CENTER (DIC) SWITCH MDE CNTRL TEMP CNTRL LOW REF MED IND MED TEMP IND MOBILE RADIO (BLUNT CUT) MOBILE RADIO FUSE BLOCK MODE DOWN SWITCH MODE SELECT SWITCH MODE SIG MTR SIG MODE SWITCH MODE UP SWITCH MTR CNTRL NCA WIRE OF DASH) OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER BACK HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER BACK IND PASSENGER BACK SWITCH PASSENGER CUSHION HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER CUSHION/ PASSENGER CUSHION/ BACK SWITCH PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) PDM FUSE PILLAR) PNK GND WIRE PNK SW SIG MODE SIG TEMP SIG WIRE PNK WIRE PNK/WHT (OR PNK) WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM POWER TONNEAU COVER RECEIVER MODULE PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SIG MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DEFOG SWITCH REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR HVAC FUSE (LEFT END OF DASH) REAR OBJECT SENSOR CONTROL MODULE REAR SEAT AUDIO (RSA) CONTROL RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/ BLK WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RER DEFG AIR TMP GROUND RETRACT RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) (RIGHT FRONT OF HVAC CASE) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH RIGHT TEMPERATURE CONTROL ROOF BEACON SWITCH ROOF POWER BEACON TONNEAU RELAY COVER (IF SLAVE EQUIPPED) MOTOR S/ROOF FUSE 34 AMP FUSE 41 SEAT BACK) SEAT CUSHION) SERIAL DATA SNS CNTRL SNS SIG LF SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL STARTER STUD 1 FUSE 68 STUD 2 FUSE 63 SUNROOF SWITCH SUPPLY VOLT SWC BKLT FUSE SWITCH BREAKOUT) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TEMPERATURE CONTROL TEMPERATURE CONTROL SWITCH TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH THEFT DETERRENT MODULE (TDM) TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 8) TO DLIS FUSE 35 (DIAGRAM 5 OF 8) TO PWR/TRN RELAY (DIAGRAM 4 OF 8) TO RDO FUSE 42 (DIAGRAM 2 OF 8) TO RUN/CRANK RELAY (DIAGRAM 6 OF 8) TRAILER BRAKE CONTROL SWITCH (IF EQUIPPED) TRAILER CONNECTOR (IF EQUIPPED) TRAILER PROVISION (BLUNT CUT) TRANS IGN 1 FUSE 19 TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UP L/R SELECT UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO SIGNAL SPLITTER W/ 2 SPEED ACTIVE PUSH BUTTON CONTROL W/ ACCESSORY STEERING WHEEL CONTROL W/ ACTIVE TRANSFER CASE CONTROL W/ AIR BRAKES, EXCEPT HYBRID W/ CADILLAC ESCLADE PLATINUM APPEARANCE PACKAGE W/ DIGITAL RADIO SYSTEM W/ LUXURY EDITION W/ HEATED MIRRORS W/ HYDRAULIC BRAKES, EXCEPT HYBRID W/ HYDRAULIC W/ ACTIVE BRAKE POWER CONTROL BRAKE W/ IGNITION, MAIN POWER SUPPLY W/ LUXURY EDITION W/ PREMIUM AUDIO W/ SLIDING ROOF W/O ACTIVE TRANSFER CASE CONTROL W/O GARAGE DOOR OPENER W/O LUXURY EDITION W/O W/ LUXURY LUXURY WHT RED/ WIRE WHT WIRE WHT/BLK WIRE WIND- SHIELD WIPER MOTOR WSW/HTR FUSE 66 YEL WIRE YEL/BLK WIRE

Go to component: Interior lights -> Instrument illumination circuit -> HVAC CONTROL MODULE

Wiring diagram hvac control module (8 of 12)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LED CNTRL IGN VOLT GROUND B(+) GMLAN L 1 4 5 6 GND GND B+ B+ 1 5 15 3340 5060 1050 B(+) GMLAN L GROUND COMPUTER DATA LINES SYSTEM 193 735 1050 597 6101 DEFOGGER SYSTEM 2 HI 2426 2080 2482 2435 PNK LOW REF LOW REF LOW REF LOW REF WIRE 27 28 63 13 34 12 DATA BUS- DATA BUS+ RLY CTRL LOW REF 5-VOLT REF SENS SIG 3 18 25 10 B+ LED DIM DIM CNTRL GMLAN 3 8 DIM CNTRL PRK LP SW SIG 4 6 B+ GND 4 HI 4 LO 6 12 13 14 1563 1566 1565 1561 2 HI 4 HI 4 LO AWD 6.0L (VIN G) 7 3 SUPPLY VOLT LOW REF 9 2 12 GLMAN SERIAL DATA PNK WIRE A/C A/C CMPRSR FUSE 17 A/C CMPRSR RELAY A/C IND A/C ON A/C ON IND A/C ON SWITCH A/C ON SWITCH LOGIC A/C REFRIGERANT PRESSURE SENSOR (A/C HIGH PRESSURE HOSE) ABS-1 FUSE 61 ACCESSORY POWER OUTLET (DIAGRAM 7 OF 8) AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY ANTI-LOCK BRAKES SYSTEM ASSIST STEP CONTROL MODULE (W/ SIDE RETRACTABLE POWER RUNNING BOARD STEPS) AUDIO SUNROOF AMPLIFIER CONTROL MODULE (W/ SUN GLASS SLIDING ELECTRIC ROOF) AUTO SWITCH AUTO- MATIC AUTOMATIC A/C MANUAL AUTOMATIC A/C MANUAL A/C AUTOMATIC DAY/NIGHT MIRROR AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR (IF EQUIPPED) AUTOMATIC LEVEL CONTROL (ALC) SOLENOID VALVE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP CONTROL MODULE AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY BODY CONTROL MODULE (ABCM) AUXILIARY HVAC CONTROL MODULE (CENTER OF HEADLINER) AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) AWD IND PNK WIRE BACK IND BACK SWITCH BATTERY BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BLOWER CONTROL SWITCH BLOWER MOTOR CONTROL MODULE BLOWER SPEED BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BLWR SPD BODY CONTROL MODULE (BCM) BRAKE (HYBRID) FLUID LEVEL A/C COMPRESSOR SWITCH BREAKOUT) BRN WIRE BRN/WHT WIRE CADILLAC CHEVROLET, GMC AUTOMATIC A/C MANUAL A/C CADILLAC ESCALADE ESV PLATINUM APPEARANCE PACKAGE CADILLAC ESCALADE PLATINUM APPEARANCE PACKAGE CADILLAC GMC/CHERVOLET CADILLAC W/O BODY EQUIPMENT CHEVROLET, GMC W/ ADDITIONAL DVD W/ VEHICLE COMMUNICATION SYSTEM, LUXURY EDITION COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION DATA LINK CONNECTOR DDM FUSE DEFOG IND DEFOGGER SWITCH DFRST VAL DIGITAL RADIO RECEIVER DIM SIG DISABLE SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN DRIVE MOTOR GENERATOR POWER INVERTER MODULE (HYBRID) DRIVER BACK HEATED SEAT ELEMENT (DRIVER'S SEAT BACK) DRIVER BACK IND DRIVER BACK SWITCH DRIVER CUSHION HEATED SEAT ELEMENT (DRIVER'S SEAT CUSHION) DRIVER CUSHION/ DRIVER CUSHION/ BACK IND DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER DOOR LOCK/WINDOW SWITCH DRIVER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) DRIVER SEAT 2 CIRCUIT BREAKER ELEC RUN BOARD FUSE 65 ELECTROCHROMIC MIRROR CIRCUIT ELECTRONIC ENGINE BRAKE CONTROL CONTROL MODULE MODULE (EBCM) (ECM) END OF DASH) END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ESC/ALC EXH FUSE 2 EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) EXCEPT HYBRID HYBRID EXP/PTO FUSE 47 EXTEND RIGHT FRESH AIR IND FRESH AIR REQUEST SWITCH FROM FROM AUX HVAC-IGN FUSE 48 (DIAGRAM 6 OF 8) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 8) FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT DIGITAL VIDEO DISC (DVD) DISPLAY FRONT DRIVE AXLE ACTUATOR FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) FSCM FUSE 21 FUEL PUMP FLOW CONTROL MODULE FUSE FUSE BLOCK FUSE HOLDER (ON POSITIVE BATTERY POST) FUSIBLE LINK 1 (14 GA- GARAGE DOOR OPENER (GDO) GENERATOR GMC/CHEVROLET GMLAN GMLAN SER DATA GMLAN SERIAL DATA GROUND GROUND IGN VOLT RER DEFG 300 193 GROUND LOW REF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HEATED, COOLED CUP HOLDER HEATED, LEFT COOLED SPOT CUP LAMP HOLDER HEAVY DUTY ABS FUSE 59 ABS 2 FUSE 9 HIGH TEMP IND HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK DIM FUSE BCM FUSE (LEFT END OF DASH) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HVAC AMBIENT AIR TEMPERATURE SENSOR HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC BATT FUSE 39 HVAC BLWR FUSE 70 ECM-BATT FUSE 12 HVAC CONTROL MODULE I/P FUSE BLOCK I/P FUSE BLOCK (LEFT END END OF DASH) I/P FUSE BLOCK (LEFT END OF DASH) I/P MULTI-FUNCTION SWITCH I/P MULTI-FUNCTION SWITCH TRACTION CONTROL SWITCH IGN INFRARED TRANSMITTER INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM 6817 300 1851 3340 5060 IPC FUSE 46 ITBC FUSE 6 JUMPER HARNESS) JUNCTION BLOCK (LEFT END OF DASH) L/R SELECT SW PWR LED LEFT DN LEFT I/P JUNCTION BLOCK (LEFT LEFT I/P JUNCTION BLOCK (LEFT END LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR WINDOW SWITCH LEFT STEERING SWITCH WHEEL CONTROL LEFT TEMPERATURE CONTROL LEFT, RIGHT PILLAR MOUNTED HALOGEN SPOT LAMP LOCK/UNLOCK PCB RELAY LOGIC LOGIC BLOWER SPEED UP SWITCH LOW REF LOW REF TRAILER BRAKE CONTROL MODULE LOW TEMP IND LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C DRIVER INFORMATION CENTER (DIC) SWITCH MDE CNTRL TEMP CNTRL LOW REF MED IND MED TEMP IND MOBILE RADIO (BLUNT CUT) MOBILE RADIO FUSE BLOCK MODE DOWN SWITCH MODE SELECT SWITCH MODE SIG MTR SIG MODE SWITCH MODE UP SWITCH MTR CNTRL NCA WIRE OF DASH) OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER BACK HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER BACK IND PASSENGER BACK SWITCH PASSENGER CUSHION HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER CUSHION/ PASSENGER CUSHION/ BACK SWITCH PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) PDM FUSE PILLAR) PNK GND WIRE PNK SW SIG MODE SIG TEMP SIG WIRE PNK WIRE PNK/WHT (OR PNK) WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM POWER TONNEAU COVER RECEIVER MODULE PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SIG MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DEFOG SWITCH REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR HVAC FUSE (LEFT END OF DASH) REAR OBJECT SENSOR CONTROL MODULE REAR SEAT AUDIO (RSA) CONTROL RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/ BLK WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RER DEFG AIR TMP GROUND RETRACT RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) (RIGHT FRONT OF HVAC CASE) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH RIGHT TEMPERATURE CONTROL ROOF BEACON SWITCH ROOF POWER BEACON TONNEAU RELAY COVER (IF SLAVE EQUIPPED) MOTOR S/ROOF FUSE 34 AMP FUSE 41 SEAT BACK) SEAT CUSHION) SERIAL DATA SNS CNTRL SNS SIG LF SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL STARTER STUD 1 FUSE 68 STUD 2 FUSE 63 SUNROOF SWITCH SUPPLY VOLT SWC BKLT FUSE SWITCH BREAKOUT) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TEMPERATURE CONTROL TEMPERATURE CONTROL SWITCH TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH THEFT DETERRENT MODULE (TDM) TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 8) TO DLIS FUSE 35 (DIAGRAM 5 OF 8) TO PWR/TRN RELAY (DIAGRAM 4 OF 8) TO RDO FUSE 42 (DIAGRAM 2 OF 8) TO RUN/CRANK RELAY (DIAGRAM 6 OF 8) TRAILER BRAKE CONTROL SWITCH (IF EQUIPPED) TRAILER CONNECTOR (IF EQUIPPED) TRAILER PROVISION (BLUNT CUT) TRANS IGN 1 FUSE 19 TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UP L/R SELECT UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO SIGNAL SPLITTER W/ 2 SPEED ACTIVE PUSH BUTTON CONTROL W/ ACCESSORY STEERING WHEEL CONTROL W/ ACTIVE TRANSFER CASE CONTROL W/ AIR BRAKES, EXCEPT HYBRID W/ CADILLAC ESCLADE PLATINUM APPEARANCE PACKAGE W/ DIGITAL RADIO SYSTEM W/ LUXURY EDITION W/ HEATED MIRRORS W/ HYDRAULIC BRAKES, EXCEPT HYBRID W/ HYDRAULIC W/ ACTIVE BRAKE POWER CONTROL BRAKE W/ IGNITION, MAIN POWER SUPPLY W/ LUXURY EDITION W/ PREMIUM AUDIO W/ SLIDING ROOF W/O ACTIVE TRANSFER CASE CONTROL W/O GARAGE DOOR OPENER W/O LUXURY EDITION W/O W/ LUXURY LUXURY WHT RED/ WIRE WHT WIRE WHT/BLK WIRE WIND- SHIELD WIPER MOTOR WSW/HTR FUSE 66 YEL WIRE YEL/BLK WIRE

Go to component: Air conditioning -> Manual a/c circuit (1 of 4) -> HVAC CONTROL MODULE

Wiring diagram hvac control module (9 of 12)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LED CNTRL IGN VOLT GROUND B(+) GMLAN L 1 4 5 6 GND GND B+ B+ 1 5 15 3340 5060 1050 B(+) GMLAN L GROUND COMPUTER DATA LINES SYSTEM 193 735 1050 597 6101 DEFOGGER SYSTEM 2 HI 2426 2080 2482 2435 PNK LOW REF LOW REF LOW REF LOW REF WIRE 27 28 63 13 34 12 DATA BUS- DATA BUS+ RLY CTRL LOW REF 5-VOLT REF SENS SIG 3 18 25 10 B+ LED DIM DIM CNTRL GMLAN 3 8 DIM CNTRL PRK LP SW SIG 4 6 B+ GND 4 HI 4 LO 6 12 13 14 1563 1566 1565 1561 2 HI 4 HI 4 LO AWD 6.0L (VIN G) 7 3 SUPPLY VOLT LOW REF 9 2 12 GLMAN SERIAL DATA PNK WIRE A/C A/C CMPRSR FUSE 17 A/C CMPRSR RELAY A/C IND A/C ON A/C ON IND A/C ON SWITCH A/C ON SWITCH LOGIC A/C REFRIGERANT PRESSURE SENSOR (A/C HIGH PRESSURE HOSE) ABS-1 FUSE 61 ACCESSORY POWER OUTLET (DIAGRAM 7 OF 8) AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY ANTI-LOCK BRAKES SYSTEM ASSIST STEP CONTROL MODULE (W/ SIDE RETRACTABLE POWER RUNNING BOARD STEPS) AUDIO SUNROOF AMPLIFIER CONTROL MODULE (W/ SUN GLASS SLIDING ELECTRIC ROOF) AUTO SWITCH AUTO- MATIC AUTOMATIC A/C MANUAL AUTOMATIC A/C MANUAL A/C AUTOMATIC DAY/NIGHT MIRROR AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR (IF EQUIPPED) AUTOMATIC LEVEL CONTROL (ALC) SOLENOID VALVE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP CONTROL MODULE AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY BODY CONTROL MODULE (ABCM) AUXILIARY HVAC CONTROL MODULE (CENTER OF HEADLINER) AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) AWD IND PNK WIRE BACK IND BACK SWITCH BATTERY BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BLOWER CONTROL SWITCH BLOWER MOTOR CONTROL MODULE BLOWER SPEED BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BLWR SPD BODY CONTROL MODULE (BCM) BRAKE (HYBRID) FLUID LEVEL A/C COMPRESSOR SWITCH BREAKOUT) BRN WIRE BRN/WHT WIRE CADILLAC CHEVROLET, GMC AUTOMATIC A/C MANUAL A/C CADILLAC ESCALADE ESV PLATINUM APPEARANCE PACKAGE CADILLAC ESCALADE PLATINUM APPEARANCE PACKAGE CADILLAC GMC/CHERVOLET CADILLAC W/O BODY EQUIPMENT CHEVROLET, GMC W/ ADDITIONAL DVD W/ VEHICLE COMMUNICATION SYSTEM, LUXURY EDITION COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION DATA LINK CONNECTOR DDM FUSE DEFOG IND DEFOGGER SWITCH DFRST VAL DIGITAL RADIO RECEIVER DIM SIG DISABLE SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN DRIVE MOTOR GENERATOR POWER INVERTER MODULE (HYBRID) DRIVER BACK HEATED SEAT ELEMENT (DRIVER'S SEAT BACK) DRIVER BACK IND DRIVER BACK SWITCH DRIVER CUSHION HEATED SEAT ELEMENT (DRIVER'S SEAT CUSHION) DRIVER CUSHION/ DRIVER CUSHION/ BACK IND DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER DOOR LOCK/WINDOW SWITCH DRIVER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) DRIVER SEAT 2 CIRCUIT BREAKER ELEC RUN BOARD FUSE 65 ELECTROCHROMIC MIRROR CIRCUIT ELECTRONIC ENGINE BRAKE CONTROL CONTROL MODULE MODULE (EBCM) (ECM) END OF DASH) END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ESC/ALC EXH FUSE 2 EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) EXCEPT HYBRID HYBRID EXP/PTO FUSE 47 EXTEND RIGHT FRESH AIR IND FRESH AIR REQUEST SWITCH FROM FROM AUX HVAC-IGN FUSE 48 (DIAGRAM 6 OF 8) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 8) FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT DIGITAL VIDEO DISC (DVD) DISPLAY FRONT DRIVE AXLE ACTUATOR FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) FSCM FUSE 21 FUEL PUMP FLOW CONTROL MODULE FUSE FUSE BLOCK FUSE HOLDER (ON POSITIVE BATTERY POST) FUSIBLE LINK 1 (14 GA- GARAGE DOOR OPENER (GDO) GENERATOR GMC/CHEVROLET GMLAN GMLAN SER DATA GMLAN SERIAL DATA GROUND GROUND IGN VOLT RER DEFG 300 193 GROUND LOW REF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HEATED, COOLED CUP HOLDER HEATED, LEFT COOLED SPOT CUP LAMP HOLDER HEAVY DUTY ABS FUSE 59 ABS 2 FUSE 9 HIGH TEMP IND HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK DIM FUSE BCM FUSE (LEFT END OF DASH) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HVAC AMBIENT AIR TEMPERATURE SENSOR HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC BATT FUSE 39 HVAC BLWR FUSE 70 ECM-BATT FUSE 12 HVAC CONTROL MODULE I/P FUSE BLOCK I/P FUSE BLOCK (LEFT END END OF DASH) I/P FUSE BLOCK (LEFT END OF DASH) I/P MULTI-FUNCTION SWITCH I/P MULTI-FUNCTION SWITCH TRACTION CONTROL SWITCH IGN INFRARED TRANSMITTER INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM 6817 300 1851 3340 5060 IPC FUSE 46 ITBC FUSE 6 JUMPER HARNESS) JUNCTION BLOCK (LEFT END OF DASH) L/R SELECT SW PWR LED LEFT DN LEFT I/P JUNCTION BLOCK (LEFT LEFT I/P JUNCTION BLOCK (LEFT END LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR WINDOW SWITCH LEFT STEERING SWITCH WHEEL CONTROL LEFT TEMPERATURE CONTROL LEFT, RIGHT PILLAR MOUNTED HALOGEN SPOT LAMP LOCK/UNLOCK PCB RELAY LOGIC LOGIC BLOWER SPEED UP SWITCH LOW REF LOW REF TRAILER BRAKE CONTROL MODULE LOW TEMP IND LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C DRIVER INFORMATION CENTER (DIC) SWITCH MDE CNTRL TEMP CNTRL LOW REF MED IND MED TEMP IND MOBILE RADIO (BLUNT CUT) MOBILE RADIO FUSE BLOCK MODE DOWN SWITCH MODE SELECT SWITCH MODE SIG MTR SIG MODE SWITCH MODE UP SWITCH MTR CNTRL NCA WIRE OF DASH) OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER BACK HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER BACK IND PASSENGER BACK SWITCH PASSENGER CUSHION HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER CUSHION/ PASSENGER CUSHION/ BACK SWITCH PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) PDM FUSE PILLAR) PNK GND WIRE PNK SW SIG MODE SIG TEMP SIG WIRE PNK WIRE PNK/WHT (OR PNK) WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM POWER TONNEAU COVER RECEIVER MODULE PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SIG MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DEFOG SWITCH REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR HVAC FUSE (LEFT END OF DASH) REAR OBJECT SENSOR CONTROL MODULE REAR SEAT AUDIO (RSA) CONTROL RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/ BLK WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RER DEFG AIR TMP GROUND RETRACT RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) (RIGHT FRONT OF HVAC CASE) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH RIGHT TEMPERATURE CONTROL ROOF BEACON SWITCH ROOF POWER BEACON TONNEAU RELAY COVER (IF SLAVE EQUIPPED) MOTOR S/ROOF FUSE 34 AMP FUSE 41 SEAT BACK) SEAT CUSHION) SERIAL DATA SNS CNTRL SNS SIG LF SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL STARTER STUD 1 FUSE 68 STUD 2 FUSE 63 SUNROOF SWITCH SUPPLY VOLT SWC BKLT FUSE SWITCH BREAKOUT) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TEMPERATURE CONTROL TEMPERATURE CONTROL SWITCH TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH THEFT DETERRENT MODULE (TDM) TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 8) TO DLIS FUSE 35 (DIAGRAM 5 OF 8) TO PWR/TRN RELAY (DIAGRAM 4 OF 8) TO RDO FUSE 42 (DIAGRAM 2 OF 8) TO RUN/CRANK RELAY (DIAGRAM 6 OF 8) TRAILER BRAKE CONTROL SWITCH (IF EQUIPPED) TRAILER CONNECTOR (IF EQUIPPED) TRAILER PROVISION (BLUNT CUT) TRANS IGN 1 FUSE 19 TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UP L/R SELECT UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO SIGNAL SPLITTER W/ 2 SPEED ACTIVE PUSH BUTTON CONTROL W/ ACCESSORY STEERING WHEEL CONTROL W/ ACTIVE TRANSFER CASE CONTROL W/ AIR BRAKES, EXCEPT HYBRID W/ CADILLAC ESCLADE PLATINUM APPEARANCE PACKAGE W/ DIGITAL RADIO SYSTEM W/ LUXURY EDITION W/ HEATED MIRRORS W/ HYDRAULIC BRAKES, EXCEPT HYBRID W/ HYDRAULIC W/ ACTIVE BRAKE POWER CONTROL BRAKE W/ IGNITION, MAIN POWER SUPPLY W/ LUXURY EDITION W/ PREMIUM AUDIO W/ SLIDING ROOF W/O ACTIVE TRANSFER CASE CONTROL W/O GARAGE DOOR OPENER W/O LUXURY EDITION W/O W/ LUXURY LUXURY WHT RED/ WIRE WHT WIRE WHT/BLK WIRE WIND- SHIELD WIPER MOTOR WSW/HTR FUSE 66 YEL WIRE YEL/BLK WIRE

Go to component: Air conditioning -> Manual a/c circuit (4 of 4) -> HVAC CONTROL MODULE

Wiring diagram hvac control module (10 of 12)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LED CNTRL IGN VOLT GROUND B(+) GMLAN L 1 4 5 6 GND GND B+ B+ 1 5 15 3340 5060 1050 B(+) GMLAN L GROUND COMPUTER DATA LINES SYSTEM 193 735 1050 597 6101 DEFOGGER SYSTEM 2 HI 2426 2080 2482 2435 PNK LOW REF LOW REF LOW REF LOW REF WIRE 27 28 63 13 34 12 DATA BUS- DATA BUS+ RLY CTRL LOW REF 5-VOLT REF SENS SIG 3 18 25 10 B+ LED DIM DIM CNTRL GMLAN 3 8 DIM CNTRL PRK LP SW SIG 4 6 B+ GND 4 HI 4 LO 6 12 13 14 1563 1566 1565 1561 2 HI 4 HI 4 LO AWD 6.0L (VIN G) 7 3 SUPPLY VOLT LOW REF 9 2 12 GLMAN SERIAL DATA PNK WIRE A/C A/C CMPRSR FUSE 17 A/C CMPRSR RELAY A/C IND A/C ON A/C ON IND A/C ON SWITCH A/C ON SWITCH LOGIC A/C REFRIGERANT PRESSURE SENSOR (A/C HIGH PRESSURE HOSE) ABS-1 FUSE 61 ACCESSORY POWER OUTLET (DIAGRAM 7 OF 8) AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY ANTI-LOCK BRAKES SYSTEM ASSIST STEP CONTROL MODULE (W/ SIDE RETRACTABLE POWER RUNNING BOARD STEPS) AUDIO SUNROOF AMPLIFIER CONTROL MODULE (W/ SUN GLASS SLIDING ELECTRIC ROOF) AUTO SWITCH AUTO- MATIC AUTOMATIC A/C MANUAL AUTOMATIC A/C MANUAL A/C AUTOMATIC DAY/NIGHT MIRROR AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR (IF EQUIPPED) AUTOMATIC LEVEL CONTROL (ALC) SOLENOID VALVE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP CONTROL MODULE AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY BODY CONTROL MODULE (ABCM) AUXILIARY HVAC CONTROL MODULE (CENTER OF HEADLINER) AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) AWD IND PNK WIRE BACK IND BACK SWITCH BATTERY BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BLOWER CONTROL SWITCH BLOWER MOTOR CONTROL MODULE BLOWER SPEED BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BLWR SPD BODY CONTROL MODULE (BCM) BRAKE (HYBRID) FLUID LEVEL A/C COMPRESSOR SWITCH BREAKOUT) BRN WIRE BRN/WHT WIRE CADILLAC CHEVROLET, GMC AUTOMATIC A/C MANUAL A/C CADILLAC ESCALADE ESV PLATINUM APPEARANCE PACKAGE CADILLAC ESCALADE PLATINUM APPEARANCE PACKAGE CADILLAC GMC/CHERVOLET CADILLAC W/O BODY EQUIPMENT CHEVROLET, GMC W/ ADDITIONAL DVD W/ VEHICLE COMMUNICATION SYSTEM, LUXURY EDITION COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION DATA LINK CONNECTOR DDM FUSE DEFOG IND DEFOGGER SWITCH DFRST VAL DIGITAL RADIO RECEIVER DIM SIG DISABLE SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN DRIVE MOTOR GENERATOR POWER INVERTER MODULE (HYBRID) DRIVER BACK HEATED SEAT ELEMENT (DRIVER'S SEAT BACK) DRIVER BACK IND DRIVER BACK SWITCH DRIVER CUSHION HEATED SEAT ELEMENT (DRIVER'S SEAT CUSHION) DRIVER CUSHION/ DRIVER CUSHION/ BACK IND DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER DOOR LOCK/WINDOW SWITCH DRIVER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) DRIVER SEAT 2 CIRCUIT BREAKER ELEC RUN BOARD FUSE 65 ELECTROCHROMIC MIRROR CIRCUIT ELECTRONIC ENGINE BRAKE CONTROL CONTROL MODULE MODULE (EBCM) (ECM) END OF DASH) END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ESC/ALC EXH FUSE 2 EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) EXCEPT HYBRID HYBRID EXP/PTO FUSE 47 EXTEND RIGHT FRESH AIR IND FRESH AIR REQUEST SWITCH FROM FROM AUX HVAC-IGN FUSE 48 (DIAGRAM 6 OF 8) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 8) FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT DIGITAL VIDEO DISC (DVD) DISPLAY FRONT DRIVE AXLE ACTUATOR FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) FSCM FUSE 21 FUEL PUMP FLOW CONTROL MODULE FUSE FUSE BLOCK FUSE HOLDER (ON POSITIVE BATTERY POST) FUSIBLE LINK 1 (14 GA- GARAGE DOOR OPENER (GDO) GENERATOR GMC/CHEVROLET GMLAN GMLAN SER DATA GMLAN SERIAL DATA GROUND GROUND IGN VOLT RER DEFG 300 193 GROUND LOW REF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HEATED, COOLED CUP HOLDER HEATED, LEFT COOLED SPOT CUP LAMP HOLDER HEAVY DUTY ABS FUSE 59 ABS 2 FUSE 9 HIGH TEMP IND HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK DIM FUSE BCM FUSE (LEFT END OF DASH) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HVAC AMBIENT AIR TEMPERATURE SENSOR HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC BATT FUSE 39 HVAC BLWR FUSE 70 ECM-BATT FUSE 12 HVAC CONTROL MODULE I/P FUSE BLOCK I/P FUSE BLOCK (LEFT END END OF DASH) I/P FUSE BLOCK (LEFT END OF DASH) I/P MULTI-FUNCTION SWITCH I/P MULTI-FUNCTION SWITCH TRACTION CONTROL SWITCH IGN INFRARED TRANSMITTER INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM 6817 300 1851 3340 5060 IPC FUSE 46 ITBC FUSE 6 JUMPER HARNESS) JUNCTION BLOCK (LEFT END OF DASH) L/R SELECT SW PWR LED LEFT DN LEFT I/P JUNCTION BLOCK (LEFT LEFT I/P JUNCTION BLOCK (LEFT END LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR WINDOW SWITCH LEFT STEERING SWITCH WHEEL CONTROL LEFT TEMPERATURE CONTROL LEFT, RIGHT PILLAR MOUNTED HALOGEN SPOT LAMP LOCK/UNLOCK PCB RELAY LOGIC LOGIC BLOWER SPEED UP SWITCH LOW REF LOW REF TRAILER BRAKE CONTROL MODULE LOW TEMP IND LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C DRIVER INFORMATION CENTER (DIC) SWITCH MDE CNTRL TEMP CNTRL LOW REF MED IND MED TEMP IND MOBILE RADIO (BLUNT CUT) MOBILE RADIO FUSE BLOCK MODE DOWN SWITCH MODE SELECT SWITCH MODE SIG MTR SIG MODE SWITCH MODE UP SWITCH MTR CNTRL NCA WIRE OF DASH) OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER BACK HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER BACK IND PASSENGER BACK SWITCH PASSENGER CUSHION HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER CUSHION/ PASSENGER CUSHION/ BACK SWITCH PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) PDM FUSE PILLAR) PNK GND WIRE PNK SW SIG MODE SIG TEMP SIG WIRE PNK WIRE PNK/WHT (OR PNK) WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM POWER TONNEAU COVER RECEIVER MODULE PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SIG MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DEFOG SWITCH REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR HVAC FUSE (LEFT END OF DASH) REAR OBJECT SENSOR CONTROL MODULE REAR SEAT AUDIO (RSA) CONTROL RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/ BLK WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RER DEFG AIR TMP GROUND RETRACT RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) (RIGHT FRONT OF HVAC CASE) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH RIGHT TEMPERATURE CONTROL ROOF BEACON SWITCH ROOF POWER BEACON TONNEAU RELAY COVER (IF SLAVE EQUIPPED) MOTOR S/ROOF FUSE 34 AMP FUSE 41 SEAT BACK) SEAT CUSHION) SERIAL DATA SNS CNTRL SNS SIG LF SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL STARTER STUD 1 FUSE 68 STUD 2 FUSE 63 SUNROOF SWITCH SUPPLY VOLT SWC BKLT FUSE SWITCH BREAKOUT) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TEMPERATURE CONTROL TEMPERATURE CONTROL SWITCH TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH THEFT DETERRENT MODULE (TDM) TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 8) TO DLIS FUSE 35 (DIAGRAM 5 OF 8) TO PWR/TRN RELAY (DIAGRAM 4 OF 8) TO RDO FUSE 42 (DIAGRAM 2 OF 8) TO RUN/CRANK RELAY (DIAGRAM 6 OF 8) TRAILER BRAKE CONTROL SWITCH (IF EQUIPPED) TRAILER CONNECTOR (IF EQUIPPED) TRAILER PROVISION (BLUNT CUT) TRANS IGN 1 FUSE 19 TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UP L/R SELECT UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO SIGNAL SPLITTER W/ 2 SPEED ACTIVE PUSH BUTTON CONTROL W/ ACCESSORY STEERING WHEEL CONTROL W/ ACTIVE TRANSFER CASE CONTROL W/ AIR BRAKES, EXCEPT HYBRID W/ CADILLAC ESCLADE PLATINUM APPEARANCE PACKAGE W/ DIGITAL RADIO SYSTEM W/ LUXURY EDITION W/ HEATED MIRRORS W/ HYDRAULIC BRAKES, EXCEPT HYBRID W/ HYDRAULIC W/ ACTIVE BRAKE POWER CONTROL BRAKE W/ IGNITION, MAIN POWER SUPPLY W/ LUXURY EDITION W/ PREMIUM AUDIO W/ SLIDING ROOF W/O ACTIVE TRANSFER CASE CONTROL W/O GARAGE DOOR OPENER W/O LUXURY EDITION W/O W/ LUXURY LUXURY WHT RED/ WIRE WHT WIRE WHT/BLK WIRE WIND- SHIELD WIPER MOTOR WSW/HTR FUSE 66 YEL WIRE YEL/BLK WIRE

Go to component: Power distribution -> Power distribution circuit (1 of 8) -> HVAC CONTROL MODULE

Wiring diagram hvac control module (11 of 12)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LED CNTRL IGN VOLT GROUND B(+) GMLAN L 1 4 5 6 GND GND B+ B+ 1 5 15 3340 5060 1050 B(+) GMLAN L GROUND COMPUTER DATA LINES SYSTEM 193 735 1050 597 6101 DEFOGGER SYSTEM 2 HI 2426 2080 2482 2435 PNK LOW REF LOW REF LOW REF LOW REF WIRE 27 28 63 13 34 12 DATA BUS- DATA BUS+ RLY CTRL LOW REF 5-VOLT REF SENS SIG 3 18 25 10 B+ LED DIM DIM CNTRL GMLAN 3 8 DIM CNTRL PRK LP SW SIG 4 6 B+ GND 4 HI 4 LO 6 12 13 14 1563 1566 1565 1561 2 HI 4 HI 4 LO AWD 6.0L (VIN G) 7 3 SUPPLY VOLT LOW REF 9 2 12 GLMAN SERIAL DATA PNK WIRE A/C A/C CMPRSR FUSE 17 A/C CMPRSR RELAY A/C IND A/C ON A/C ON IND A/C ON SWITCH A/C ON SWITCH LOGIC A/C REFRIGERANT PRESSURE SENSOR (A/C HIGH PRESSURE HOSE) ABS-1 FUSE 61 ACCESSORY POWER OUTLET (DIAGRAM 7 OF 8) AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY ANTI-LOCK BRAKES SYSTEM ASSIST STEP CONTROL MODULE (W/ SIDE RETRACTABLE POWER RUNNING BOARD STEPS) AUDIO SUNROOF AMPLIFIER CONTROL MODULE (W/ SUN GLASS SLIDING ELECTRIC ROOF) AUTO SWITCH AUTO- MATIC AUTOMATIC A/C MANUAL AUTOMATIC A/C MANUAL A/C AUTOMATIC DAY/NIGHT MIRROR AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR (IF EQUIPPED) AUTOMATIC LEVEL CONTROL (ALC) SOLENOID VALVE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP CONTROL MODULE AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY BODY CONTROL MODULE (ABCM) AUXILIARY HVAC CONTROL MODULE (CENTER OF HEADLINER) AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) AWD IND PNK WIRE BACK IND BACK SWITCH BATTERY BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BLOWER CONTROL SWITCH BLOWER MOTOR CONTROL MODULE BLOWER SPEED BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BLWR SPD BODY CONTROL MODULE (BCM) BRAKE (HYBRID) FLUID LEVEL A/C COMPRESSOR SWITCH BREAKOUT) BRN WIRE BRN/WHT WIRE CADILLAC CHEVROLET, GMC AUTOMATIC A/C MANUAL A/C CADILLAC ESCALADE ESV PLATINUM APPEARANCE PACKAGE CADILLAC ESCALADE PLATINUM APPEARANCE PACKAGE CADILLAC GMC/CHERVOLET CADILLAC W/O BODY EQUIPMENT CHEVROLET, GMC W/ ADDITIONAL DVD W/ VEHICLE COMMUNICATION SYSTEM, LUXURY EDITION COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION DATA LINK CONNECTOR DDM FUSE DEFOG IND DEFOGGER SWITCH DFRST VAL DIGITAL RADIO RECEIVER DIM SIG DISABLE SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN DRIVE MOTOR GENERATOR POWER INVERTER MODULE (HYBRID) DRIVER BACK HEATED SEAT ELEMENT (DRIVER'S SEAT BACK) DRIVER BACK IND DRIVER BACK SWITCH DRIVER CUSHION HEATED SEAT ELEMENT (DRIVER'S SEAT CUSHION) DRIVER CUSHION/ DRIVER CUSHION/ BACK IND DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER DOOR LOCK/WINDOW SWITCH DRIVER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) DRIVER SEAT 2 CIRCUIT BREAKER ELEC RUN BOARD FUSE 65 ELECTROCHROMIC MIRROR CIRCUIT ELECTRONIC ENGINE BRAKE CONTROL CONTROL MODULE MODULE (EBCM) (ECM) END OF DASH) END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ESC/ALC EXH FUSE 2 EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) EXCEPT HYBRID HYBRID EXP/PTO FUSE 47 EXTEND RIGHT FRESH AIR IND FRESH AIR REQUEST SWITCH FROM FROM AUX HVAC-IGN FUSE 48 (DIAGRAM 6 OF 8) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 8) FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT DIGITAL VIDEO DISC (DVD) DISPLAY FRONT DRIVE AXLE ACTUATOR FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) FSCM FUSE 21 FUEL PUMP FLOW CONTROL MODULE FUSE FUSE BLOCK FUSE HOLDER (ON POSITIVE BATTERY POST) FUSIBLE LINK 1 (14 GA- GARAGE DOOR OPENER (GDO) GENERATOR GMC/CHEVROLET GMLAN GMLAN SER DATA GMLAN SERIAL DATA GROUND GROUND IGN VOLT RER DEFG 300 193 GROUND LOW REF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HEATED, COOLED CUP HOLDER HEATED, LEFT COOLED SPOT CUP LAMP HOLDER HEAVY DUTY ABS FUSE 59 ABS 2 FUSE 9 HIGH TEMP IND HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK DIM FUSE BCM FUSE (LEFT END OF DASH) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HVAC AMBIENT AIR TEMPERATURE SENSOR HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC BATT FUSE 39 HVAC BLWR FUSE 70 ECM-BATT FUSE 12 HVAC CONTROL MODULE I/P FUSE BLOCK I/P FUSE BLOCK (LEFT END END OF DASH) I/P FUSE BLOCK (LEFT END OF DASH) I/P MULTI-FUNCTION SWITCH I/P MULTI-FUNCTION SWITCH TRACTION CONTROL SWITCH IGN INFRARED TRANSMITTER INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM 6817 300 1851 3340 5060 IPC FUSE 46 ITBC FUSE 6 JUMPER HARNESS) JUNCTION BLOCK (LEFT END OF DASH) L/R SELECT SW PWR LED LEFT DN LEFT I/P JUNCTION BLOCK (LEFT LEFT I/P JUNCTION BLOCK (LEFT END LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR WINDOW SWITCH LEFT STEERING SWITCH WHEEL CONTROL LEFT TEMPERATURE CONTROL LEFT, RIGHT PILLAR MOUNTED HALOGEN SPOT LAMP LOCK/UNLOCK PCB RELAY LOGIC LOGIC BLOWER SPEED UP SWITCH LOW REF LOW REF TRAILER BRAKE CONTROL MODULE LOW TEMP IND LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C DRIVER INFORMATION CENTER (DIC) SWITCH MDE CNTRL TEMP CNTRL LOW REF MED IND MED TEMP IND MOBILE RADIO (BLUNT CUT) MOBILE RADIO FUSE BLOCK MODE DOWN SWITCH MODE SELECT SWITCH MODE SIG MTR SIG MODE SWITCH MODE UP SWITCH MTR CNTRL NCA WIRE OF DASH) OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER BACK HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER BACK IND PASSENGER BACK SWITCH PASSENGER CUSHION HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER CUSHION/ PASSENGER CUSHION/ BACK SWITCH PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) PDM FUSE PILLAR) PNK GND WIRE PNK SW SIG MODE SIG TEMP SIG WIRE PNK WIRE PNK/WHT (OR PNK) WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM POWER TONNEAU COVER RECEIVER MODULE PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SIG MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DEFOG SWITCH REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR HVAC FUSE (LEFT END OF DASH) REAR OBJECT SENSOR CONTROL MODULE REAR SEAT AUDIO (RSA) CONTROL RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/ BLK WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RER DEFG AIR TMP GROUND RETRACT RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) (RIGHT FRONT OF HVAC CASE) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH RIGHT TEMPERATURE CONTROL ROOF BEACON SWITCH ROOF POWER BEACON TONNEAU RELAY COVER (IF SLAVE EQUIPPED) MOTOR S/ROOF FUSE 34 AMP FUSE 41 SEAT BACK) SEAT CUSHION) SERIAL DATA SNS CNTRL SNS SIG LF SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL STARTER STUD 1 FUSE 68 STUD 2 FUSE 63 SUNROOF SWITCH SUPPLY VOLT SWC BKLT FUSE SWITCH BREAKOUT) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TEMPERATURE CONTROL TEMPERATURE CONTROL SWITCH TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH THEFT DETERRENT MODULE (TDM) TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 8) TO DLIS FUSE 35 (DIAGRAM 5 OF 8) TO PWR/TRN RELAY (DIAGRAM 4 OF 8) TO RDO FUSE 42 (DIAGRAM 2 OF 8) TO RUN/CRANK RELAY (DIAGRAM 6 OF 8) TRAILER BRAKE CONTROL SWITCH (IF EQUIPPED) TRAILER CONNECTOR (IF EQUIPPED) TRAILER PROVISION (BLUNT CUT) TRANS IGN 1 FUSE 19 TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UP L/R SELECT UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO SIGNAL SPLITTER W/ 2 SPEED ACTIVE PUSH BUTTON CONTROL W/ ACCESSORY STEERING WHEEL CONTROL W/ ACTIVE TRANSFER CASE CONTROL W/ AIR BRAKES, EXCEPT HYBRID W/ CADILLAC ESCLADE PLATINUM APPEARANCE PACKAGE W/ DIGITAL RADIO SYSTEM W/ LUXURY EDITION W/ HEATED MIRRORS W/ HYDRAULIC BRAKES, EXCEPT HYBRID W/ HYDRAULIC W/ ACTIVE BRAKE POWER CONTROL BRAKE W/ IGNITION, MAIN POWER SUPPLY W/ LUXURY EDITION W/ PREMIUM AUDIO W/ SLIDING ROOF W/O ACTIVE TRANSFER CASE CONTROL W/O GARAGE DOOR OPENER W/O LUXURY EDITION W/O W/ LUXURY LUXURY WHT RED/ WIRE WHT WIRE WHT/BLK WIRE WIND- SHIELD WIPER MOTOR WSW/HTR FUSE 66 YEL WIRE YEL/BLK WIRE

Go to component: Power distribution -> Power distribution circuit (8 of 8) -> HVAC CONTROL MODULE

Wiring diagram hvac control module (12 of 12)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LED CNTRL IGN VOLT GROUND B(+) GMLAN L 1 4 5 6 GND GND B+ B+ 1 5 15 3340 5060 1050 B(+) GMLAN L GROUND COMPUTER DATA LINES SYSTEM 193 735 1050 597 6101 DEFOGGER SYSTEM 2 HI 2426 2080 2482 2435 PNK LOW REF LOW REF LOW REF LOW REF WIRE 27 28 63 13 34 12 DATA BUS- DATA BUS+ RLY CTRL LOW REF 5-VOLT REF SENS SIG 3 18 25 10 B+ LED DIM DIM CNTRL GMLAN 3 8 DIM CNTRL PRK LP SW SIG 4 6 B+ GND 4 HI 4 LO 6 12 13 14 1563 1566 1565 1561 2 HI 4 HI 4 LO AWD 6.0L (VIN G) 7 3 SUPPLY VOLT LOW REF 9 2 12 GLMAN SERIAL DATA PNK WIRE A/C A/C CMPRSR FUSE 17 A/C CMPRSR RELAY A/C IND A/C ON A/C ON IND A/C ON SWITCH A/C ON SWITCH LOGIC A/C REFRIGERANT PRESSURE SENSOR (A/C HIGH PRESSURE HOSE) ABS-1 FUSE 61 ACCESSORY POWER OUTLET (DIAGRAM 7 OF 8) AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY ANTI-LOCK BRAKES SYSTEM ASSIST STEP CONTROL MODULE (W/ SIDE RETRACTABLE POWER RUNNING BOARD STEPS) AUDIO SUNROOF AMPLIFIER CONTROL MODULE (W/ SUN GLASS SLIDING ELECTRIC ROOF) AUTO SWITCH AUTO- MATIC AUTOMATIC A/C MANUAL AUTOMATIC A/C MANUAL A/C AUTOMATIC DAY/NIGHT MIRROR AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR (IF EQUIPPED) AUTOMATIC LEVEL CONTROL (ALC) SOLENOID VALVE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP CONTROL MODULE AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY BODY CONTROL MODULE (ABCM) AUXILIARY HVAC CONTROL MODULE (CENTER OF HEADLINER) AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) AWD IND PNK WIRE BACK IND BACK SWITCH BATTERY BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BLOWER CONTROL SWITCH BLOWER MOTOR CONTROL MODULE BLOWER SPEED BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BLWR SPD BODY CONTROL MODULE (BCM) BRAKE (HYBRID) FLUID LEVEL A/C COMPRESSOR SWITCH BREAKOUT) BRN WIRE BRN/WHT WIRE CADILLAC CHEVROLET, GMC AUTOMATIC A/C MANUAL A/C CADILLAC ESCALADE ESV PLATINUM APPEARANCE PACKAGE CADILLAC ESCALADE PLATINUM APPEARANCE PACKAGE CADILLAC GMC/CHERVOLET CADILLAC W/O BODY EQUIPMENT CHEVROLET, GMC W/ ADDITIONAL DVD W/ VEHICLE COMMUNICATION SYSTEM, LUXURY EDITION COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION DATA LINK CONNECTOR DDM FUSE DEFOG IND DEFOGGER SWITCH DFRST VAL DIGITAL RADIO RECEIVER DIM SIG DISABLE SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN DRIVE MOTOR GENERATOR POWER INVERTER MODULE (HYBRID) DRIVER BACK HEATED SEAT ELEMENT (DRIVER'S SEAT BACK) DRIVER BACK IND DRIVER BACK SWITCH DRIVER CUSHION HEATED SEAT ELEMENT (DRIVER'S SEAT CUSHION) DRIVER CUSHION/ DRIVER CUSHION/ BACK IND DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER DOOR LOCK/WINDOW SWITCH DRIVER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) DRIVER SEAT 2 CIRCUIT BREAKER ELEC RUN BOARD FUSE 65 ELECTROCHROMIC MIRROR CIRCUIT ELECTRONIC ENGINE BRAKE CONTROL CONTROL MODULE MODULE (EBCM) (ECM) END OF DASH) END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ESC/ALC EXH FUSE 2 EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) EXCEPT HYBRID HYBRID EXP/PTO FUSE 47 EXTEND RIGHT FRESH AIR IND FRESH AIR REQUEST SWITCH FROM FROM AUX HVAC-IGN FUSE 48 (DIAGRAM 6 OF 8) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 8) FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT DIGITAL VIDEO DISC (DVD) DISPLAY FRONT DRIVE AXLE ACTUATOR FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) FSCM FUSE 21 FUEL PUMP FLOW CONTROL MODULE FUSE FUSE BLOCK FUSE HOLDER (ON POSITIVE BATTERY POST) FUSIBLE LINK 1 (14 GA- GARAGE DOOR OPENER (GDO) GENERATOR GMC/CHEVROLET GMLAN GMLAN SER DATA GMLAN SERIAL DATA GROUND GROUND IGN VOLT RER DEFG 300 193 GROUND LOW REF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HEATED, COOLED CUP HOLDER HEATED, LEFT COOLED SPOT CUP LAMP HOLDER HEAVY DUTY ABS FUSE 59 ABS 2 FUSE 9 HIGH TEMP IND HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK DIM FUSE BCM FUSE (LEFT END OF DASH) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HVAC AMBIENT AIR TEMPERATURE SENSOR HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC BATT FUSE 39 HVAC BLWR FUSE 70 ECM-BATT FUSE 12 HVAC CONTROL MODULE I/P FUSE BLOCK I/P FUSE BLOCK (LEFT END END OF DASH) I/P FUSE BLOCK (LEFT END OF DASH) I/P MULTI-FUNCTION SWITCH I/P MULTI-FUNCTION SWITCH TRACTION CONTROL SWITCH IGN INFRARED TRANSMITTER INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM 6817 300 1851 3340 5060 IPC FUSE 46 ITBC FUSE 6 JUMPER HARNESS) JUNCTION BLOCK (LEFT END OF DASH) L/R SELECT SW PWR LED LEFT DN LEFT I/P JUNCTION BLOCK (LEFT LEFT I/P JUNCTION BLOCK (LEFT END LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR WINDOW SWITCH LEFT STEERING SWITCH WHEEL CONTROL LEFT TEMPERATURE CONTROL LEFT, RIGHT PILLAR MOUNTED HALOGEN SPOT LAMP LOCK/UNLOCK PCB RELAY LOGIC LOGIC BLOWER SPEED UP SWITCH LOW REF LOW REF TRAILER BRAKE CONTROL MODULE LOW TEMP IND LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C DRIVER INFORMATION CENTER (DIC) SWITCH MDE CNTRL TEMP CNTRL LOW REF MED IND MED TEMP IND MOBILE RADIO (BLUNT CUT) MOBILE RADIO FUSE BLOCK MODE DOWN SWITCH MODE SELECT SWITCH MODE SIG MTR SIG MODE SWITCH MODE UP SWITCH MTR CNTRL NCA WIRE OF DASH) OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER BACK HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER BACK IND PASSENGER BACK SWITCH PASSENGER CUSHION HEATED SEAT ELEMENT (FRONT PASSENGER'S PASSENGER CUSHION/ PASSENGER CUSHION/ BACK SWITCH PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) PDM FUSE PILLAR) PNK GND WIRE PNK SW SIG MODE SIG TEMP SIG WIRE PNK WIRE PNK/WHT (OR PNK) WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM POWER TONNEAU COVER RECEIVER MODULE PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SIG MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DEFOG SWITCH REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR HVAC FUSE (LEFT END OF DASH) REAR OBJECT SENSOR CONTROL MODULE REAR SEAT AUDIO (RSA) CONTROL RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/ BLK WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RER DEFG AIR TMP GROUND RETRACT RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) (RIGHT FRONT OF HVAC CASE) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH RIGHT TEMPERATURE CONTROL ROOF BEACON SWITCH ROOF POWER BEACON TONNEAU RELAY COVER (IF SLAVE EQUIPPED) MOTOR S/ROOF FUSE 34 AMP FUSE 41 SEAT BACK) SEAT CUSHION) SERIAL DATA SNS CNTRL SNS SIG LF SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL STARTER STUD 1 FUSE 68 STUD 2 FUSE 63 SUNROOF SWITCH SUPPLY VOLT SWC BKLT FUSE SWITCH BREAKOUT) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TEMPERATURE CONTROL TEMPERATURE CONTROL SWITCH TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH THEFT DETERRENT MODULE (TDM) TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 8) TO DLIS FUSE 35 (DIAGRAM 5 OF 8) TO PWR/TRN RELAY (DIAGRAM 4 OF 8) TO RDO FUSE 42 (DIAGRAM 2 OF 8) TO RUN/CRANK RELAY (DIAGRAM 6 OF 8) TRAILER BRAKE CONTROL SWITCH (IF EQUIPPED) TRAILER CONNECTOR (IF EQUIPPED) TRAILER PROVISION (BLUNT CUT) TRANS IGN 1 FUSE 19 TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UP L/R SELECT UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO SIGNAL SPLITTER W/ 2 SPEED ACTIVE PUSH BUTTON CONTROL W/ ACCESSORY STEERING WHEEL CONTROL W/ ACTIVE TRANSFER CASE CONTROL W/ AIR BRAKES, EXCEPT HYBRID W/ CADILLAC ESCLADE PLATINUM APPEARANCE PACKAGE W/ DIGITAL RADIO SYSTEM W/ LUXURY EDITION W/ HEATED MIRRORS W/ HYDRAULIC BRAKES, EXCEPT HYBRID W/ HYDRAULIC W/ ACTIVE BRAKE POWER CONTROL BRAKE W/ IGNITION, MAIN POWER SUPPLY W/ LUXURY EDITION W/ PREMIUM AUDIO W/ SLIDING ROOF W/O ACTIVE TRANSFER CASE CONTROL W/O GARAGE DOOR OPENER W/O LUXURY EDITION W/O W/ LUXURY LUXURY WHT RED/ WIRE WHT WIRE WHT/BLK WIRE WIND- SHIELD WIPER MOTOR WSW/HTR FUSE 66 YEL WIRE YEL/BLK WIRE

Go to component: Power mirrors -> Power mirrors circuit (1 of 2) -> HVAC CONTROL MODULE

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