GMC Yukon III (2006-2014) (right front of hvac case) Wiring diagrams

1 2 B+ VOLT 1 3 4 B+ SNS SIG SNS SIG 109 5531 PPL 12 14 15 LIFTGATE SW RR AJAR SW LR AJAR SW 1851 5060 COMPUTER DATA LINES SYSTEM 3 10 B+ GMLAN 3 4 5 GND GMLAN 3840 5060 COMPUTER DATA LINES SYSTEM 4 6 B+ GND 5 13 9 LO REF LF AJAR SW GMLAN 5 13 9 LO REF RF AJAR SW GMLAN AUXILIARY FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) B+ SNS SIG SNS SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DDM FUSE DK BLU WIRE DK GRN WIRE DLIS FUSE 35 DRIVER DOOR LOCK/WINDOW SWITCH ENG COMPT) ENGINE CONTROL MODULE (LEFT SIDE OF EXCEPT 6.0L (VIN J) 6.0L (VIN J) EXCEPT HYBRID FUSE 52 GRY WIRE GRY/BLK WIRE HDLP RLY HOOD AJAR SWITCH (W/ REMOTE HORN RLY HORNS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES I/P BLOCK DIM FUSE BCM FUSE (LEFT END OF DASH) IGN VOLT IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) INTRUS SIG LIFTGATE LATCH ASSEMBLY (CENTER OF LIFTGATE) LIFTGATE WINDOW AJAR SWITCH LIFTGATE WINDOW LATCH ASSEMBLY (BOTTOM CENTER OF LIFT GLASS) LO SPD GMLAN LOCK LOCK CONTROL) (HOOD LATCH ASSEMBLY) LOGIC LT BLU/BLK WIRE LT GRN/BLK WIRE NCA WIRE PASSENGER DOOR LATCH ASSEMBLY CHEVROLET/GMC CADILLAC (FRONT PASSENGER'S DOOR) PASSENGER DOOR LOCK/WINDOW SWITCH PDM FUSE PNK PPL WIRE PNK WIRE PNK/ 8 3 SW SIG SW SIG WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER LIFTGATE MODULE (LEFT REAR OF CARGO AREA) PPL PPL AJAR SW SIG PPL INTRUS SIG PPL PPL PPL SW SIG PRK LP RLY RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT REAR DOOR LATCH ASSEMBLY (RIGHT REAR DOOR) RUN WIRE SEC IND SECURITY IND SECURITY INDICATOR LAMP SW SIG THEFT DETERRENT MODULE (ON IGNITION SWITCH) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE INCLINATION SENSOR VEHICLE SHOCK SENSOR W/ POWER LIFTGATE PPL W/O POWER LIFTGATE WIPER/ WASHER SYSTEM YEL WIRE

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(+) A/C ON IND A/C ON SWITCH AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE FRESH AIR IND FRESH AIR REQUEST SWITCH FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) GROUND IGN VOLT RER DEFG 300 193 GROUND LOW REF GRY WIRE GRY/BLK WIRE HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC CONTROL MODULE JUNCTION BLOCK (LEFT END OF DASH) LEFT TEMPERATURE CONTROL LOGIC LONG WHEEL BASE LOW REF LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE DOWN SWITCH MODE UP SWITCH OF DASH) ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM PPL PPL/WHT WIRE R AIR TMP AIR TMP AIR TMP TEMP SIG MODE CTRL L AIR TMP RECIR CTRL AIR TMP REAR DEFOGGER IND REAR DEFOGGER SWITCH RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/WHT WIRE RIGHT TEMPERATURE CONTROL SHORT WHEEL BASE SNS SIG LF SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL TAN WIRE UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR UPPER RIGHT AIR TEMPERATURE SENSOR WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

3 4 5 6 7 8 9 10 11 12 13 14 15 16 MDE CNTRL TEMP CNTRL LOW REF AUTO SWITCH AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) BLK WIRE BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE GMLAN GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HVAC CONTROL MODULE I/P FUSE BLOCK LOGIC LOGIC BLOWER SPEED UP SWITCH LONG WHEEL BASE LOW REF MODE SWITCH MTR CNTRL ORG/ WIRE PNK PNK WIRE PNK WIRE REAR HVAC FUSE (LEFT END OF DASH) REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE SHORT WHEEL BASE SNS CNTRL SPD CTRL TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH WHT WIRE YEL WIRE YEL/BLK WIRE

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(+) 1050 6101 GROUND LOW REF 1851 300 193 GROUND IGN VOLT RER DEFG POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM A/C LOW PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPT) A/C ON IND A/C ON SWITCH AIR TEMP PASS SUNLD SNS SIG SNS SIG AMB TMP GMLAN L COMPUTER DATA LINES SYSTEM AMBIENT LIGHT/ SUNLOAD SENSOR ASSEMBLY (CENTER OF DASH) BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU WIRE DK GRN WIRE FRESH AIR IND FRESH AIR REQUEST SWITCH FRONT DEFOGGER IND FRONT DEFOGGER SWITCH FRONT INSIDE AIR TEMPERATURE SENSOR (LEFT FRONT OF HEADLINER) GRY WIRE GRY/BLK WIRE HVAC AMBIENT AIR TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) HVAC CONTROL MODULE LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT TEMPERATURE CONTROL LOGIC LONG WHEEL BASE LOW REF LOWER AUXILIARY AIR TEMPERATURE SENSOR (REAR HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE DOWN SWITCH MODE UP SWITCH ORG/ WIRE PNK WIRE PPL PPL/WHT WIRE REAR DEFOGGER IND REAR DEFOGGER SWITCH RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/WHT WIRE RIGHT TEMPERATURE CONTROL RLY CTRL SHORT WHEEL BASE SNS SIG DRV SUNLD L AIR TMP R AIR TMP SW SIG MODE CNTRL SPD CTRL TAN WIRE UPPER AUXILIARY AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR (CENTER OF DASH) UPPER RIGHT AIR TEMPERATURE SENSOR (CENTER OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

3 4 5 6 7 8 9 10 11 12 13 14 15 16 MDE CNTRL TEMP CNTRL LOW REF AUTO SWITCH AUXILIARY AIR TEMPERATURE ACTUATOR (REAR HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY INSIDE AIR TEMPERATURE SENSOR AUXILIARY MODE ACTUATOR (REAR HVAC MODULE) B+ GROUND SERIAL DATA BLK WIRE BLK/WHT WIRE BLOWER SPEED DOWN SWITCH BLOWER SPEED UP SWITCH BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVE MOTOR GENERATOR POWER INVERTER MODULE (RIGHT SIDE OF ENGINE COMPT) GMLAN GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES AUXILIARY FUSE BLOCK ACCM (LEFT SIDE OF FUSE 3 ENGINE COMPT) HVAC CONTROL MODULE I/P FUSE BLOCK LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOGIC LOGIC BLOWER SPEED UP SWITCH LONG WHEEL BASE LOW REF MODE SWITCH MTR CNTRL OFF SWITCH ORG/ WIRE PNK WIRE REAR HVAC FUSE (LEFT END OF DASH) REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE SHORT WHEEL BASE SNS CNTRL SPD CTRL TEMPERATURE DOWN SWITCH TEMPERATURE UP SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BRN/WHT WIRE DK GRN WIRE HOT AT ALL TIMES I/P LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) PDM FUSE FUSE BLOCK (LEFT END OF DASH) POLICE PROVISION (BLUNT CUT) GROUND DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) ROOF BEACON RELAY (IN OVERHEAD CONSOLE) ROOF BEACON SWITCH (IF EQUIPPED) S/ROOF FUSE 33 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ SLIDING ROOF RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) WHT WIRE

14 13 12 11 10 9 8 7 6 5 4 3 2 1 PTLAN+ PTLAN+ PTLAN- PTLAN- 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 LOW REF 3 2 1 5 APM WAKE UP SIG PTLAN+ PTLAN- PTLAN+ 5 4 2 3 PTLAN- PTLAN+ PTLAN+ PTLAN- ACCESSORY DC POWER CONTROL MODULE AUXILIARY FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) BECM FUSE 10 BLK WIRE DATA LINK RESISTOR 2 (UNDER FRONT PASSENGER'S SEAT) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT REAR FRAME RAIL) FRONT MODE SIG HIGH SPEED GMLAN SERIAL DATA BUS + HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IGN VOL SERIAL DATA LOW SPEED GMLAN SERIAL DATA BUS LT BLU WIRE MISC-IGN FUSE 43 PNK IGN VOLT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PTLAN- RED/WHT WIRE SERIAL DATA COM- MUNICATION ENABLE SERIAL DATA GATEWAY (SDG) MODULE (LEFT SIDE OF DASH) SERIAL DATA WAKE UP SIG GND 19 18 17 16 TAN WIRE TAN/BLK WIRE TOP OF ENGINE) TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WAKE UP SIG WAKE UP SIG APM WAKE UP SIG YAW RATE, LATERAL ACCELERATION SENSOR (UNDER FRONT PASSENGER'S SEAT) YEL WIRE YEL/BLK WIRE

7 3 SUPPLY VOLT LOW REF BATT POS VOL BATTERY BLK WIRE COMPUTER DATA LINES SYSTEM DDM FUSE DEFOG IND DK GRN WIRE DRIVER DOOR LOCK/WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) GMLAN SER DATA GROUND HOT AT ALL TIMES HVAC CONTROL MODULE I/P FUSE BLOCK (LEFT END OF DASH) IGN LOGIC LOW REF PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IF EQUIPPED) PDM FUSE POWER DISTRIBUTION SYSTEM REAR DEFOG SWITCH RED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) SERIAL DATA SUPPLY VOLT WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LED CNTRL IGN VOLT GROUND B(+) GMLAN L 193 735 1050 597 6101 DEFOGGER SYSTEM A/C ON IND A/C ON SWITCH LOGIC AUXILIARY HVAC CONTROL MODULE (CENTER OF HEADLINER) BLK WIRE BLK/WHT WIRE BLOWER CONTROL SWITCH BLWR SPD BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DFRST VAL DK BLU WIRE DK GRN WIRE EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) FRONT DEFOGGER IND FRONT DEFOGGER SWITCH GRY WIRE GRY/BLK WIRE HVAC AMBIENT AIR TEMPERATURE SENSOR HVAC CONTROL MODULE INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM 6817 300 1851 3340 5060 LEFT TEMPERATURE CONTROL LOW REF LT BLU WIRE LT GRN/BLK WIRE MODE SELECT SWITCH MODE SIG MTR SIG ORG/ WIRE PNK SW SIG MODE SIG TEMP SIG WIRE PNK WIRE PPL PPL/WHT WIRE REAR DEFOGGER IND REAR DEFOGGER SWITCH RECIRCU- LATION IND RECIRCU- LATION SWITCH RED WIRE RED/WHT WIRE RER DEFG AIR TMP GROUND RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT TEMPERATURE CONTROL SPD CTRL TAN WIRE TEMPERATURE CONTROL SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

10 8 9 SERIAL DATA SERIAL DATA BUS + ANTI-LOCK BRAKES PNK SYSTEM WIRE BLK WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE SIG BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES HOT W/ BCK/UP LAMP RELAY ENERGIZED HOT W/ PARK LAMP RELAY ENERGIZED HOT W/ RUN/CRNK RELAY ENERGIZED LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LT BLU/WHT WIRE LT GRN WIRE LT TURN SIG LAMP MISC-IGN FUSE 43 ORG/ WIRE PNK PNK PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED/BLK WIRE RT TURN SIG LAMP SERIAL DATA BUS- STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STUD 1 FUSE 68 STUD 2 FUSE 63 TAN WIRE TAN/BLK WIRE TRAILER CONNECTOR (CENTER REAR OF VEHICLE) TRAILER PROVISION (BLUNT CUT) TRLR BCK/UP FUSE 10 TRLR PRK FUSE 25 TRLR STOP LT FUSE 3 TRLR STOP LT PCB RELAY TRLR STOP RT FUSE 1 TRLR STOP RT PCB RELAY UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/O INTEGRATED TRAILER BRAKE CONTROL WHT WIRE YEL WIRE