GMC Sierra III (2013-2015) (on right front corner of hvac module) Wiring diagrams

2 OF 5) AIR BAG BATT FUSE 42 ALC/COMP FUSE 54 AMP FUSE 38 AUDIO AMPLIFIER (PREMIUM PERFORMANCE ENHANCED AUDIO SPEAKER SYSTEM) AUTOMATIC A/C AUX PWR 2 FUSE 2 AUX PWR FUSE 16 BLK WIRE BODY CONTROL MODULE (BCM) CENTER CONSOLE ACCESSORY POWER OUTLET CENTER CONSOLE COMPARTMENT ACCESSORY POWER OUTLET CENTER SEAT ACCESSORY POWER OUTLET (W/ FULL FEATURE CENTER CONSOLE) CHIME POWER TAKE OFF MODULE (PTO) RELAY CREW CAB W/ INDIVIDUAL FRONT SEAT CREW CAB W/ PERFORMANCE EXHANCED AUDIO, FRONT COMPARTMENT CONSOLE DIGITAL RADIO RECEIVER (IF EQUIPPED) ESC/ALC EXH FUSE 1 FROM ABS-2 FUSE 8 (DIAGRAM 2 OF 5) FROM BODY CONTROL MODULE (DIAGRAM 4 OF 5) GARAGE DOOR OPENER (GDO) HVAC CONTROL MODULE I/P 2 ACCESSORY POWER OUTLET INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE (IF EQUIPPED) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INFO RSE FUSE 19 FUSE 22 LBEC 2 FUSE 67 LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LGM FUSE 66 LOCK PCB UNLOCK PCB RELAY RELAY LOCK/UNLOCK PCB RELAY MANUAL A/C NCA WIRE ORG/ WIRE PASSENGER DOOR LOCK/ WINDOW SWITCH PDM FUSE 9 (W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE) PERFORMANCE ENHANCED AUDIO SPEAKER SYSTEM POWER LOCKS W/O INDIVIDUAL FRONT SEAT, POWER MIRROR POWER TAKE OFF (BLUNT CUT) PREMIUM PERFORMANCE ENHANCED AUDIO SPEAKER SYSTEM PTO FUSE 44 RADIO RDO FUSE 39 REAR SEAT AUDIO (RSA) CONTROL (IF EQUIPPED) RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RIGHT I/P J/B (IN RIGHT END OF DASH) STOP IS LPS FUSE 17 LT STOP TRN FUSE 6 LAMPS FUSE TO DLIS FUSE 32 (DIAGRAM 4 OF 5) TO LEFT I/P J/B (DIAGRAM 2 OF 5) TO LT DR CIRCUIT BREAKER (DIAGRAM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO DISPLAY W/ CHILD PRESENCE DETECTOR W/ CUSTOM FRONT COMPARTMENT FLOOR CONSOLE W/ INDIVIDUAL FRONT SEAT W/ INDIVIDUAL FRONT SEAT, POWER MIRROR W/ LUXURY W/ ONSTAR W/ REAR SEAT ENTERTAIN- MENT PACKAGE W/O CHILD PRESENCE DETECTOR W/O INDIVIDUAL FRONT SEAT W/O LUXURY W/O LUXURY, RADIO W/O RADIO W/O W/ LUXURY LUXURY WHT RED/ WIRE WHT WIRE WINDSHIELD WASHER SOLVENT HEATER (IF EQUIPPED)

4 6 B+ GND BACK SEAT IND CUSHION/ BACK SW BACK SW BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CUSHION/BACK IND PPL CUSHION/BACK SW DDM FUSE 4 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER HEATED SEAT SWITCH DSM FUSE 25 GROUND DISTRIBUTION SYSTEM GRY WIRE HIGH IND HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LOW IND LT BLU WIRE MED IND PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER HEATED SEAT SWITCH PDM FUSE 9 POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SEAT BACK IND SEAT BACK SW SERIAL DATA WHT/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CUSHION, BACK HEAT 1 2 3 4 5 6 7 8 B+ GROUND 13 14 15 16 17 PPL BACK HEAT BLK WIRE BLU WIRE BREAKOUT) BRN WIRE COMPUTER DATA LINES SYSTEM CUSHION TEMP SEAT BACK TEMP BACK HEAT DK BLU WIRE DK GRN WIRE DRIVER BACK HEATED SEAT ELEMENT (IN DRIVER'S SEAT BACK) DRIVER CUSHION HEATED SEAT ELEMENT (IN DRIVER'S SEAT CUSHION) EXCEPT 6.6L 6.6L FUSE 37 FUSE 34 GRN WIRE GRY WIRE HEATED SEAT CONTROL MODULE HOT AT ALL TIMES LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOW HEAT IND HIGH HEAT IND LOW HEAT IND HIGH HEAT IND LOW SPEED GMLAN LT BLU WIRE LT GRN WIRE MEDIUM HEAT IND BACK, CUSHION HEAT IND NCA WIRE PASSENGER BACK HEATED SEAT ELEMENT (IN PASSENGER'S SEAT BACK) PNK DK PPL WIRE PNK LOW REF LOW REF LOW REF LOW REF WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

13 14 15 16 17 PPL BACK BACK IND BLK WIRE BLU WIRE BRN WIRE CUSHION, BACK CUSHION, BACK IND DK BLU WIRE DK GRN WIRE DRIVER HEATED SEAT SWITCH GRY WIRE LT BLU WIRE MID NCA WIRE PASSENGER CUSHION HEATED SEAT ELEMENT (IN PASSENGER'S SEAT CUSHION) PASSENGER HEATED SEAT SWITCH PNK LT DK WIRE PNK LT WIRE PNK WIRE PPL PPL/WHT WIRE TAN WIRE WHT/BLK WIRE YEL WIRE

2 3 4 GMLAN 3 10 B+ GMLAN 4 6 B+ GND 4 6 B+ LOCK GND 7 9 LCK CNTRL UNLCK CNTRL 9 4 5 7 8 GMLAN SW SIG LOW REF LCK CNTRL PPL UNLCK CNTRL 9 7 8 GMLAN LCK CNTRL UNLCK CNTRL UNLOCK BCM FUSE 15 BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COAX COMPT) COMPUTER DATA LINES SYSTEM DDM FUSE 4 DIM FUSE 7 DK GRN WIRE DRIVER DOOR LOCK SWITCH DRIVER DOOR LOCK/ WINDOW SWITCH DSM FUSE 25 GMLAN DRIVER INFORMATION CENTER (DIC) DISPLAY GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH) INSTRUMENT PANEL CLUSTER (IPC) KEY SWITCH KEYLESS ENTRY ANTENNA LBEC 2 FUSE 72 FUSE 67 LCK 1 FUSE 21 LEFT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF LEFT REAR DOOR) LOCK LOCK ACTUATOR LOCK/ UNLOCK PCB RELAY LOGIC LT BLU WIRE LT GRN WIRE PASSENGER DOOR LOCK SWITCH PASSENGER DOOR LOCK/ WINDOW SWITCH PDM FUSE 9 POWER DISTRIBUTION SYSTEM PPL RED/BLK WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (TOP REAR OF PASSENGER COMPT) RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF RIGHT REAR DOOR) SECURITY INDICATOR LOGIC TAN WIRE UNDERHOOD FUSE BLOCK UNLCK 1 FUSE 18 UNLOCK W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE EXCEPT 6.6L WHT WIRE YEL WIRE

1 2 4 10 5 7 RETRACT CTRL EXTEND CTRL SENS SIG LOW REF SENS SIG 2 6 1 3 7 POSITION CTRL MTR COMM POSITION CTRL LOW REF SPLY VOLT 4 6 B+ GND BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE GROUND DISTRIBUTION SYSTEM GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PDM FUSE 9 POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SERIAL DATA WHT WIRE YEL WIRE

ACCESSORY VOLTAGE B+ VOLT BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CREW CAB DK BLU WIRE DK GRN WIRE DOWN DOWN SIG DRIVER WINDOW MOTOR (INSIDE DRIVER'S DOOR) DRIVER WINDOW SWITCH EXPRESS GROUND HOT AT ALL TIMES HOT AT ALL TIMES LT DR CIRCUIT BREAKER I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUMINATION LEFT FRONT WINDOW SWITCH LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR WINDOW MOTOR (IN LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LF DOWN CTRL LF UP CTRL LOCKOUT RR CTRL LOCKOUT SIG LOGIC LOGIC B+ DOWN LR DOWN CTRL SIG LR DOWN SIG LR UP CTRL LR UP SIG LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE PASS DOWN SIG PASS UP SIG PASSENGER WINDOW MOTOR (INSIDE PASSENGER'S DOOR) PASSENGER WINDOW SWITCH PPL PPL RR DOWN SIG RED/WHT WIRE RF DOWN CTRL RF UP CTRL RIGHT FRONT WINDOW SWITCH RIGHT REAR WINDOW MOTOR (IN RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH RR DOWN CTRL RR DOWN SIG RR UP CTRL RR UP SIG RT DOORS CIRCUIT SIG TAN WIRE UP PPL LR DOWN SIG UP SIG WHT WIRE WINDOW SWITCH (RIGHT REAR) YEL WIRE

B+ VOLT BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CREW CAB DK BLU WIRE DK GRN WIRE DOWN DRIVER DOOR LOCK/WINDOW SWITCH DRIVER WINDOW MOTOR (INSIDE DRIVER'S DOOR) EXPRESS EXPRESS B+ VOLT GROUND GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUMINATION LEFT FRONT WINDOW SWITCH LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR WINDOW MOTOR (IN LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LF DOWN CTRL LF UP CTRL LO SPD SERIAL DATA LO-SPEED SERIAL DATA LOCKOUT IND LOCKOUT SWITCH LOGIC LOGIC B+ LOGIC SIGNAL LR DOWN CTRL LR UP CTRL LR UP SIG LT BLU/WHT WIRE LT DR CIRCUIT BREAKER LT GRN WIRE PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER WINDOW MOTOR (INSIDE PASSENGER'S DOOR) PPL PPL LR DOWN SIG PPL PWR WND SWITCH RR DOWN SIGNAL PWR WND LOCKOUT RR CTRL PWR WND LOCKOUT RR SIG PWR WND MOTOR RF DOWN CTRL PWR WND MOTOR RF UP CTRL PWR WND MOTOR RR DOWN CTRL PWR WND MOTOR RR UP CTRL GROUND PWR WND SW LOCKOUT SIG PWR WND SW LR DOWN SIG PWR WND SW LR UP SIG PWR WND SW RR DOWN SIG PWR WND SW RR UP SIG PWR WND SWITCH RR UP SIGNAL RED/WHT WIRE RIGHT FRONT WINDOW SWITCH RIGHT I/P JUNCTION BLOCK RIGHT REAR WINDOW MOTOR (IN RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH RT DOORS CIRCUIT SPLICE WHT WIRE

AMPL CNTRL BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GREEN LIGHT GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFRARED REF INFRARED V L INFRARED L SUBWFR - LED GND SIG LED SIG LOGIC INSIDE REARVIEW MIRROR (ISRVM) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LF AUD + LF SPK - LIGHT LR AUD + LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ONSTAR BUTTON ASSEMBLY ONSTAR EMERGENCY SWITCH SWITCH ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL/WHT WIRE R INFRARED R SUBWFR + REAR SEAT AUDIO (RSA) CONTROL RED WIRE RED/WHT WIRE REM ENABLE RF AUD + RF SPK - RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RR AUD - RSE FUSE 19 SUBWOOFER SPEAKER TAN WIRE TELEPHONE SWITCH W/ REAR SEAT ENTERTAINMENT PACKAGE W/O REAR SEAT ENTERTAINMENT PACKAGE WHT WIRE YEL WIRE YEL/BLK WIRE

5060 2011 2099 1546 1947 1946 1999 COMPUTER DATA LINES SYSTEM AMP CTRL GND AMP FUSE 41 FUSE 38 ANTENNA BLK WIRE BRN WIRE BRN/WHT WIRE COAX BK DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EMERGENCY SWITCH EXCEPT 6.6L 6.6L GMLAN DRAIN WIRE DRAIN WIRE RF AUD- LF AUD- RR AUD- LR AUD- GREEN LIGHT HOT AT ALL TIMES INSIDE REARVIEW MIRROR (ISRVM) LED GND SIG LED SIG LOGIC LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LIGHT LOW REF LT BLU/BLK WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ONSTAR BUTTON ASSEMBLY ONSTAR SWITCH ORG/ WIRE ORG/BLK WIRE RADIO RDO FUSE 42 FUSE 39 RED WIRE RED/WHT WIRE RF AUD+ LF AUD+ RR AUD+ LR AUD+ REM SIG TAN WIRE TELEPHONE SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) USB CABLE USB RECEPTACLE (IF EQUIPPED) VOICE SIG WHT WIRE YEL/BLK WIRE