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

18 25 COURTESY LP SPLY VOLT PPL DEFEAT SW 2 10 B+ SERIAL DATA ASSEMBLY (CREW CAB) (REAR OF RIGHT REAR DOOR) BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) CENTER HIGH MOUNTED STOP LAMP (CHMSL) COMPUTER DATA LINES SYSTEM DEF SW DIM FUSE 7 DK BLU/WHT WIRE DK GRN WIRE DOME SW FRONT DOME/READING LAMPS GRY WIRE GRY/BLK WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, IS LPS FUSE 17 LATCH ASSEMBLY LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF LEFT REAR DOOR) LEFT SUNSHADE (IF EQUIPPED) LEFT VANITY MIRROR LAMP LF DR AJAR SW SIG DR DOOR RF DR AJAR 10 20 8 14 15 LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY (IN REAR OF PASSENGER'S DOOR) PPL 9 12 READING DOME LAMPS LAMPS READING LAMPS REAR DOME/ READING LAMPS (CREW CAB) RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR DOOR LATCH RIGHT SUNSHADE (IF EQUIPPED) RIGHT VANITY MIRROR LAMP SW SIG RR DR AJAR SW SIG LR DR AJAR SW SIG 5 1 LP CTRL SPLY VOLT TAN/WHT WIRE VOLT W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE W/ ELECTRIC DOOR LOCK W/ POWER WINDOWS W/O COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE W/O ELECTRIC DOOR LOCK WHT/BLK WIRE

2 10 B+ SERIAL DATA 5 13 9 LOW REF SW SIG SER DATA 6 4 GND B+ 9 12 PPL 9 5 4 13 SER DATA LOW REF SW SIG SW SIG ASSEMBLY (CREW CAB) (REAR OF RIGHT REAR DOOR) BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) CENTER HIGH MOUNTED STOP LAMP (CHMSL) COMPUTER DATA LINES SYSTEM COURTESY LP SPLY VOLT COURTESY LP 18 25 SPLY VOLT PPL DEFEAT SW DDM FUSE 4 DEF SW DIM FUSE 7 DK BLU/WHT WIRE DK GRN WIRE DOME LAMP DOME SW DRIVER DOOR LATCH ASSEMBLY (IN REAR OF DRIVER'S DOOR) DRIVER DOOR LOCK/WINDOW SWITCH FRONT DOME/READING LAMPS GRY WIRE GRY/BLK WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, IS LPS FUSE 17 LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF LEFT REAR DOOR) LEFT SUNSHADE (IF EQUIPPED) LEFT VANITY MIRROR LAMP LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY (IN REAR OF PASSENGER'S FRONT DOOR) PASSENGER DOOR LOCK/WINDOW SWITCH PDM FUSE 9 POWER DISTRIBUTION SYSTEM READING LAMPS REAR DOME/ READING LAMPS (CREW CAB) RED/WHT WIRE RIGHT REAR DOOR LATCH RIGHT SUNSHADE (IF EQUIPPED) RIGHT VANITY MIRROR LAMP RR DR AJAR 14 15 SW SIG LR DR AJAR SW SIG 5 1 COURTESY LP CTRL VOLT TAN/WHT WIRE W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE W/ INDIVIDUAL FRONT SEAT, POWER MIRROR W/O COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE WHT/BLK WIRE YEL WIRE

BLK WIRE BRN WIRE CHEVROLET DK GRN WIRE FENDER CLEARANCE LAMP FRONT MIDDLE ROOF CLEARANCE LAMP GMC GRD IF EQUIPPED (IN RIGHT "A" PILLAR HARNESS) LEFT BACKUP LAMP LEFT FRONT OUTER ROOF CLEARANCE LAMP LEFT FRONT REAR FENDER CLEARANCE LAMP LEFT LICENSE LAMP LEFT LOWER TAIL/ STOP, TURN SIGNAL LAMP LEFT REAR MOST FENDER CLEARANCE LAMP LEFT REAR SIDE MARKER LAMP LEFT UPPER TAIL/ STOP, TURN SIGNAL LAMP LEFT GMC BACKUP LAMP MJR MNR NCA WIRE POWER DISTRIBUTION SYSTEM REAR LAMPS JUNCTION BLOCK REAR LAMPS JUNCTION BLOCK (INSIDE OF LEFT REAR FRAME RAIL) RED/BLK WIRE RIGHT BACKUP LAMP RIGHT FRONT OUTER ROOF CLEARANCE LAMP RIGHT FRONT REAR FENDER CLEARANCE LAMP RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT LICENSE LAMP RIGHT LOWER TAIL/ STOP, TURN SIGNAL LAMP RIGHT REAR MOST RIGHT REAR SIDE MARKER LAMP RIGHT UPPER TAIL/ STOP, TURN SIGNAL LAMP TAILGATE MARKER LAMP W/ ODOMETER SECURITY W/ REAR DUAL WHEEL W/ TRAILER BRAKE YEL WIRE

AUTOMATIC A/C MANUAL A/C 15 10 BLK WIRE BLOWER MOTOR CONTROL MODULE BREAKOUT) CENTER CONSOLE ACCESSORY POWER OUTLET CENTER CONSOLE COMPARTMENT ACCESSORY POWER OUTLET CENTER HIGH MOUNTED STOP LAMP (CHMSL) CREW CAB DATA LINK CONNECTOR (DLC) DRIVER INFORMATION CENTER (DIC) SWITCH ELECTRONIC ADJUSTABLE PEDALS PCB RELAY ELECTRONIC COMPASS MODULE FROM FROM SPLICE HORN SWITCH HVAC CONTROL MODULE I/P 2 ACCESSORY POWER OUTLET INSIDE REARVIEW MIRROR (ISRVM) LOGIC LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT STEERING WHEEL CONTROL SWITCH MIDDLE LEFT FRONT ROOF FRONT CLEARANCE OUTER LAMP ROOF CLEARANCE LAMP NCA WIRE PARK ENABLE PCB RELAY PASSENGER OUTSIDE REARVIEW MIRROR PASSENGER WINDOW SWITCH PASSENGER DOOR LOCK/ WINDOW SWITCH REAR DOME READING LAMPS RIGHT FRONT OUTER ROOF CLEARANCE LAMP RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT STEERING WHEEL CONTROL SWITCH RIGHT SUNSHADE (IF EQUIPPED) SUNROOF MODULE SUNROOF SWITCH W/ ACCESSORY STEERING CONTROL W/ ACCESSORY STEERING CONTROL, W/ ODOMETER SECURITY WIRING PROVISIONS W/ BODY BUILDER EMERGENCY LAMP W/ COMFORT, DECOR LEVEL 3 W/ LUXURY EDITION W/ MANUAL FOLDING MIRROR, HEATED MIRROR W/ MANUAL FOLDING MIRROR, HEATED MIRROR (IN RIGHT FRONT DOOR HARNESS) W/ ROOF MARKER LAMP W/ ROOF MOUNTED LAMP PROVISIONS W/ STEERING WHEEL HEATER, ACCESSORY STEERING CONTROL, AUTOMATIC CRUISE CONTROL W/ STEERING WHEEL HEATER, AUTOMATIC CRUISE CONTROL W/ SUNROOF MOUNTED/SLIDING LAMP PROVISION W/ SUNROOF MOUNTED/SLIDING LAMP PROVISION W/O ROOF MARKER LAMP W/ SUNROOF SLIDING W/ WRECKER EMERGENCY LAMP W/O STEERING WHEEL HEATER W/O STEERING WHEEL HEATER, ACCESSORY STEERING CONTROL, AUTOMATIC CRUISE CONTROL 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

ANTENNA 201 200 BK COAX BK USB CABLE BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DND EMERGENCY SWITCH EXCEPT 6.6L 6.6L GMLAN GREEN LIGHT LIGHT GRY WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR (ISRVM) LED LED GND SIG SIG LF SPK- RF SPK- LOGIC LOW REF LR AUD- RR AUD- LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ONSTAR BUTTON ASSEMBLY ONSTAR SWITCH RADIO RDO FUSE 42 FUSE 39 RED WIRE RED/WHT WIRE TAN WIRE TELEPHONE SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) USB CABLE USB RECEPTACLE (IF EQUIPPED) VOICE SIG YEL WIRE YEL/BLK WIRE

2550 512 511 546 599 7066 340 GND RF AUD+ LF AUD+ RR AUD+ LR AUD+ REM SIG AMP FUSE 41 FUSE 38 BK COAX BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EMERGENCY SWITCH EXCEPT 6.6L 6.6L GREEN LIGHT HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFO FUSE 22 LED GND SIG LED SIG LOGIC INSIDE REARVIEW MIRROR (ISRVM) LIGHT TELEPHONE SWITCH LOW REF LT BLU/BLK WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ONSTAR BUTTON ASSEMBLY ONSTAR SWITCH ORG/BLK WIRE POWER DISTRIBUTION SYSTEM RADIO RED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RSE FUSE 19 TAN WIRE USB CABLE USB CABLE BK USB RECEPTACLE (IF EQUIPPED) VOICE SIG W/ ONSTAR W/ REAR SEAT ENTERTAINMENT PACKAGE WHT WIRE YEL/BLK WIRE

ANTENNA 201 200 BK COAX BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EMERGENCY SWITCH EXCEPT 6.6L 6.6L GMLAN GREEN LIGHT GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE INFO FUSE 22 INSIDE REARVIEW MIRROR (ISRVM) LED GND SIG LED SIG LOGIC LF SPK- RF SPK- LIGHT LOW REF LR AUD- LR AUD- LR AUD- RR AUD- LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OF DASH) ONSTAR BUTTON ASSEMBLY ONSTAR SWITCH POWER DISTRIBUTION SYSTEM RADIO RDO FUSE 42 FUSE 39 RED WIRE RED/WHT WIRE REM SIG B+ TAN WIRE TELEPHONE SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) USB CABLE USB RECEPTACLE (IF EQUIPPED) VOICE SIG W/ ONSTAR WHT WIRE YEL WIRE YEL/BLK WIRE

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 F CENTR SPK- GMLAN GREEN LIGHT LIGHT GRY WIRE INFRARED REF INFRARED V L INFRARED L SUBWFR - LED LED GND SIG SIG LOGIC LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LF AUD + LF SPK - LR AUD + LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MICRO SIG + NCA WIRE ONSTAR BUTTON ASSEMBLY INSIDE REARVIEW MIRROR (ISRVM) ONSTAR TELEPHONE EMERGENCY SWITCH SWITCH SWITCH ORG/BLK WIRE PNK WIRE PPL/WHT WIRE R INFRARED R SUBWFR + REAR SEAT AUDIO (RSA) CONTROL RED WIRE RED/WHT WIRE RF AUD + RF SPK - RR AUD - SUBWOOFER SPEAKER TAN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE