GMC Sierra III (2013-2015) body control module (bcm) (lower left side of dash) Wiring diagrams

17 6 PNK 12 VOLT SW SIG WIRE 2500 2501 COMPUTER DATA LINES 8 9 DATA BUS (+) DATA BUS (-) AUD LOW REF AUDIO/VIDEO ADAPTER AUX VID HI BEHIND STEERING WHEEL) BLK WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CREW CAB CRUISE CONTROL SYSTEM W/O AUTOMATIC CRUISE CONTROL W/ AUTOMATIC CRUISE CONTROL DK BLU WIRE DK GRN WIRE DRAIN WIRE DVD DVD COMM ENABLE SIG GRY WIRE I/P FUSE BLOCK (LEFT SIDE OF DASH, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INFRARED TRANSMITTER L AUD SIG L AUX AUDIO L DVD+ LEFT FRONT SPEAKER LEFT REAR SPEAKER LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE R AUD SIG R AUX AUDIO R DVD+ RADIO RED/WHT WIRE RIGHT FRONT SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH SHIELD SHIELD) CUT SIGNAL SOURCE NEXT SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE VIDEO CNTRL VIDEO DISPLAY VIDEO SIG VOICE REC VOLT VOLUME SEEK VOLUME SEEK DOWN UP UP DOWN W/ AUTOMATIC CRUISE CONTROL/ ACCESSORY STEERING WHEEL HEATER W/ DUAL EXTENDED RANGE QUARTER MOUNTED, DUAL FRONT DOOR MOUNTED 4 SPEAKER SYSTEM W/ PERFORMANCE ENHANCED AUDIO WHT WIRE WHT/BLK WIRE YEL WIRE

17 6 PNK 12 VOLT SW SIG WIRE 2500 2501 COMPUTER DATA LINES 8 9 DATA BUS (+) DATA BUS (-) AUD LOW REF AUDIO/VIDEO ADAPTER AUX VID HI BEHIND STEERING WHEEL) BLK WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CENTER I/P SPEAKER CREW CAB CRUISE CONTROL SYSTEM W/O AUTOMATIC CRUISE CONTROL W/ AUTOMATIC CRUISE CONTROL CUT) DK BLU WIRE DK GRN WIRE DRAIN WIRE DVD DVD COMM ENABLE SIG GRY WIRE I/P FUSE BLOCK (LEFT SIDE OF DASH, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INFRARED TRANSMITTER L AUD SIG L AUX AUDIO L DVD+ LEFT FRONT SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR SPEAKER LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE R AUD SIG R AUX AUDIO R DVD+ RADIO RED/WHT WIRE RIGHT FRONT SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH SHIELD SIGNAL SOURCE NEXT SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM VIDEO CNTRL VIDEO DISPLAY VIDEO SIG VOICE VOLUME VOLUME SEEK SEEK REC DOWN UP UP DOWN VOLT W/ AUTOMATIC CRUISE CONTROL/ ACCESSORY STEERING WHEEL CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

17 6 PNK 12 VOLT SW SIG WIRE 8 9 DATA BUS (+) DATA BUS (-) AUD LOW REF AUDIO/VIDEO ADAPTER AUX VID HI BEHIND STEERING WHEEL) BLK WIRE BLU DK WIRE BLU LT WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES CREW CAB CRUISE CONTROL SYSTEM CUT) DK BLU WIRE DK GRN WIRE DRAIN WIRE DVD DVD COMM ENABLE SIG GRY WIRE I/P FUSE BLOCK (LEFT SIDE OF DASH, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INFRARED TRANSMITTER L AUD SIG L AUX AUDIO L DVD+ LEFT FRONT SPEAKER LEFT REAR SPEAKER LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PNK PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE R AUD SIG R AUX AUDIO R DVD+ RADIO RED/WHT WIRE RIGHT FRONT SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH SHIELD SIGNAL SOURCE SEEK NEXT DOWN SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE VIDEO CNTRL VIDEO DISPLAY VIDEO SIG VOICE REC VOLT VOLUME SEEK VOLUME DOWN UP UP W/ AUTOMATIC CRUISE CONTROL/ ACCESSORY STEERING WHEEL CONTROL W/ DUAL EXTENDED RANGE QUARTER MOUNTED, DUAL FRONT DOOR MOUNTED 4 SPEAKER SYSTEM W/ PERFORMANCE ENHANCED AUDIO W/O AUTOMATIC CRUISE CONTROL W/ AUTOMATIC CRUISE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE

11 12 781 780 UNLCK SIG LCK SIG 2 3 4 GMLAN 3 10 B+ GMLAN 7 9 6 LCK CNTRL UNLCK CNTRL UNLCK CNTRL 194 5921 9 18 245 244 UNLCK SIG LCK SIG ANT B+ BACK DOOR UNLCK DIODE DRIVER DOOR BCM DIM FUSE 7 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) DRIVER INFORMATION CENTER (DIC) DISPLAY DSM FUSE 25 FRONT REAR DOOR DOOR LCK LCK DIODE DIODE GMLAN GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH) I/P FUSE BLOCK (LEFT SIDE OF DASH, INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS KEYLESS ENTRY ANTENNA LCK 1 FUSE 21 LCK 2 FUSE 11 LEFT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF LEFT REAR DOOR) LOCK ACTUATOR LOCK PCB RELAY LT BLU WIRE ORG/BLK WIRE PASSENGER DOOR LATCH ASSEMBLY (REAR OF PASSENGER'S FRONT DOOR) PNK/BLK WIRE POWER DISTRIBUTION SYSTEM RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (TOP REAR OF PASSENGER COMPT) RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SECURITY INDICATOR LOGIC SYSTEM TAN WIRE UNLCK 2 FUSE 10 UNLCK DIODE PDM FUSE 9 DRV UNLCK FUSE 26 UNLCK 1 FUSE 18 UNLOCK PCB RELAY W/O POWER WINDOW WHT 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

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

17 6 PNK 12 VOLT SW SIG WIRE 2500 2501 COMPUTER DATA LINES 8 9 DATA BUS (+) DATA BUS (-) AUD LOW REF AUDIO/VIDEO ADAPTER AUX VID HI BEHIND STEERING WHEEL) BLK WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CREW CAB CRUISE CONTROL SYSTEM CUT SHIELD) DK BLU WIRE DK GRN WIRE DRAIN WIRE DVD DVD COMM ENABLE SIG GRY WIRE I/P FUSE BLOCK (LEFT SIDE OF DASH, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INFRARED TRANSMITTER L AUD SIG L AUX AUDIO L DVD+ LEFT FRONT SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR SPEAKER LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE R AUD SIG R AUX AUDIO R DVD+ RADIO RED/WHT WIRE RIGHT FRONT SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH SHIELD SIGNAL SOURCE NEXT SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM VIDEO CNTRL VIDEO DISPLAY VIDEO SIG VOICE REC VOLT VOLUME VOLUME SEEK SEEK DOWN UP DOWN UP W/ AUTOMATIC CRUISE CONTROL/ ACCESSORY STEERING WHEEL CONTROL W/O AUTOMATIC CRUISE CONTROL W/ AUTOMATIC CRUISE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE

17 6 PNK 12 VOLT SW SIG WIRE 2500 2501 COMPUTER DATA LINES 3 4 PNK WIRE 5 6 PPL 8 9 DATA BUS (+) DATA BUS (-) ANTI-LOCK BRAKES SYSTEM AUDIO/VIDEO ADAPTER AUX VID HI BEHIND STEERING WHEEL) BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) CAMERA SIG (+) VOICE SIG/ LOW REF CAMERA SIG (-) VOICE SIG/ DRAINWIRE CRUISE CONTROL SYSTEM DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE DRAIN WIRE DVD+ R DVD+ DVD AUD SH R AUX AUD DRAIN WIRE DVD GRY WIRE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INFRARED- DRAIN WIRE L AUX AUDIO LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NAVIGATION SYSTEM NCA WIRE ORG/BLK WIRE PNK 7 8 9 10 11 12 13 14 15 16 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL R AUX AUDIO RADIO RIGHT STEERING WHEEL CONTROL SWITCH SEEK SOURCE NEXT DOWN SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE VOICE VOLUME VOLUME SEEK REC DOWN UP UP VSS W/O AUTOMATIC CRUISE CONTROL W/ AUTOMATIC CRUISE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE

17 6 PNK 12 VOLT SW SIG WIRE 8 9 DATA BUS (+) DATA BUS (-) ANTI-LOCK BRAKES SYSTEM AUDIO/VIDEO ADAPTER AUX VID HI BEHIND STEERING WHEEL) BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) CAMERA SIG (+) VOICE SIG/ LOW REF CAMERA SIG (-) VIDEO SIG/ DRAIN WIRE COMPUTER DATA LINES CRUISE CONTROL SYSTEM DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE DRAIN WIRE DVD+ R DVD+ DVD AUD SH R AUX AUD DRAIN WIRE DVD GRY WIRE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INFRARED- DRAIN WIRE L AUX AUDIO LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NAVIGATION SYSTEM NCA WIRE NEXT ORG/BLK WIRE PNK 3 4 5 6 WIRE PNK 7 8 9 10 11 12 13 14 15 16 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL R AUX AUDIO RADIO RIGHT STEERING WHEEL CONTROL SWITCH SEEK VOLUME SOURCE SEEK UP UP DOWN SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE VOLUME VOICE REC DOWN VSS W/O AUTOMATIC CRUISE CONTROL W/ AUTOMATIC CRUISE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE