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

BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE EMERGENCY SWITCH GMLAN GND SIG GREEN LIGHT LIGHT GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFRARED REF INFRARED V L INFRARED LED LED SIG LOGIC INSIDE REARVIEW MIRROR (ISRVM) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ONSTAR BUTTON ASSEMBLY ONSTAR SWITCH ORG/BLK WIRE PNK WIRE PPL/WHT WIRE R INFRARED REAR SEAT AUDIO (RSA) CONTROL RED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RSE FUSE 19 TAN WIRE TELEPHONE SWITCH W/ REAR SEAT ENTERTAINMENT PACKAGE W/ S-BAND DIGITAL AUDIO SYSTEM/VEHICLE COMMUNICATION SYSTEM YEL 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

BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GND SIG GREEN LIGHT LIGHT GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFRARED REF INFRARED V L INFRARED LED LED SIG LOGIC INSIDE REARVIEW MIRROR (ISRVM) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ONSTAR BUTTON ASSEMBLY ONSTAR EMERGENCY SWITCH SWITCH ORG/BLK WIRE PNK WIRE PPL/WHT WIRE R INFRARED REAR SEAT AUDIO (RSA) CONTROL (IF EQUIPPED) RED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RSE FUSE 19 TAN WIRE TELEPHONE SWITCH W/ REAR SEAT ENTERTAINMENT PACKAGE W/ S-BAND DIGITAL AUDIO SYSTEM / VEHICLE COMMUNICATION SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE

"B" PILLAR) 1 2 3 4 5 6 VOLTAGE DATA 6 6 RT HIGH CTRL RT LOW CTRL AIR BAG IND BACK LIGHT IND BAR SHORTING BELT IND BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM CREW CAB CREW CAB W/ CHILD PRESENCE DETECTOR CTRL CTRL ON IND DATA SERIAL DETECTOR) (UNDER FRONT PASSENGER SEAT) DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE DRIVER SEAT BELT PRETENSIONER (ON LEFT EXCEPT 6.0L (VIN J) EXCEPT CREW CAB GRN WIRE IGN INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE (W/ CHILD PRESENCE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION PNK BLOCK (LOWER LEFT SIDE OF DASH) WIRE LEFT REAR INFLATABLE RESTRAINT SIDE IMPACT SENSOR (SIS) (IN LEFT REAR DOOR) LOGIC LOW REF SEAT BELT SENS SIG LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MODULE (SDM) (UNDER DRIVER'S SEAT) NCA WIRE OFF IND ORG/ WIRE PASS SEAT PASSENGER AIR BAG OFF PASSENGER AIR BAG ON PASSENGER SEAT BELT IND PASSENGER SEAT BELT SWITCH (W/ 10 SERIES) PNK 1 2 WIRE PNK WIRE PNK/BLK WIRE PPL RED WIRE RED/WHT WIRE RIGHT REAR INFLATABLE RESTRAINT SIDE IMPACT SENSOR (SIS) (IN RIGHT REAR DOOR) SEAT BELT IND SERIAL DATA SHORTING BAR TAN WIRE TAN/WHT WIRE W/ MULTI- DIRECTIONAL PASSENGER POWER SEAT ADJUSTER W/ NON BUCKET FRONT INDIVIDUAL SEAT W/ NON- PNK BUCKET FRONT INDIVIDUAL SEAT WIRE W/O NON BUCKET FRONT INDIVIDUAL SEAT WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

2 1 FM ANT FM ANT 3 2 1 IGN 6 5 4 3 2 1 IGN VOLT GND L AUDIO (+) R AUDIO (+) VIDEO SIG A (+) VIDEO COM (-) 6 5 4 3 2 1 IGN VOLT GND L AUDIO (+) R AUDIO (+) VIDEO SIG B (+) VIDEO COM (-) BLK WIRE CLOCK SIG L AUDIO (+) R AUDIO (+) VIDEO SIG A (+) VIDEO COM (-) CLOCK SIG L AUDIO (+) R AUDIO (+) VIDEO SIG B (+) VIDEO COM(-) DIGITAL VIDEO DISC (DVD) CONTROL MODULE DRIVER SEAT HEADREST DIGITAL VIDEO DISC (DVD) DISPLAY EXCEPT 6.6L 6.6L FM ANTENNA GROUND DISTRIBUTION SYSTEM HOT W/ RUN/CRNK RELAY ENERGIZED PASSENGER SEAT HEADREST DIGITAL VIDEO DISC (DVD) DISPLAY PNK WIRE RED WIRE SEO/ALC FUSE 54 FUSE 51 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE