GMC Sierra III (2013-2015) rear body junction block Wiring diagrams

AJAR SW SIG BLK WIRE BRN/WHT WIRE CARGO LAMP FUSE CARGO LAMP RELAY CENTER HIGH MOUNTED STOP LAMP COMPUTER DATA LINES SYSTEM DRIVER DOOR HANDLE ACCENT LAMP DRIVER DOOR LATCH ASSEMBLY (IN REAR OF DRIVER FRONT DOOR) GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES RIGHT INSTRUMENT PANEL FUSE BLOCK (IN RIGHT END OF DASH) INSTRUMENT PANEL JUNCTION BLOCK LEFT CARGO LAMP LF DR AJAR LIN BUS 3 LOGIC PASSENGER DOOR HANDLE ACCENT LAMP PASSENGER DOOR LATCH ASSEMBLY (IN REAR OF PASSENGER FRONT DOOR) PASSENGER WINDOW SWITCH REAR BODY JUNCTION BLOCK RED WIRE RF DR RIGHT CARGO LAMP SW SIG VIO/GRY WIRE W/ POWER OPERATED WINDOW W/O POWER OPERATED WINDOW WHT/VIO WIRE WHT/YEL WIRE

11 13 COIL SPLY VOLT LAMP SPLY VOLTAGE 24 12 HAZARD SW RT TURN SIG HAZARD SW LT TURN SIG 26 1 HAZARD SWITCH SIGNAL BATT POSITIVE VOLT 3 4 LAMP SPLY VOLTAGE LAMP SPLY VOLTAGE 7 13 STOP LAMP SWITCH SIGNAL 5 VOLT REFERENCE BACKLIGHT DIMM CONTROL BATT POSITIVE VOLT BCM 4 FUSE BCM 6 FUSE BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BPP SENS LO REF BPP SENS SIG BRAKE PEDAL POSITION SENSOR (BEHIND BRAKE PEDAL ASSEMBLY) BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/YEL WIRE DRIVER OUTSIDE REARVIEW MIRROR ENGINE CONTROL MODULE GLASS GMLAN DATA - (1) GRN/VIO WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LAMP RELAY CONTROL LEFT LICENSE PLATE LAMP LT GRN/WHT WIRE LT GRN/YEL WIRE PASSENGER OUTSIDE REARVIEW MIRROR REAR BODY JUNCTION BLOCK RED/DK BLU WIRE RED/GRY WIRE RED/LT GRN WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK (IN RIGHT END OF DASH) RIGHT LICENSE PLATE LAMP SENSOR LOW REFERENCE VIO/BLU WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE YEL/BLU WIRE

BACKUP LAMPS CIRCUIT BATTERY FUSE BLOCK (ENGINE COMPT, TOP RIGHT) BCM 1 FUSE BCM 3 FUSE BCM 7 FUSE BLK WIRE BLU WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA DRIVER INFORMATION CENTER DISPLAY FUSE 4 GRN/VIO WIRE GRN/WHT WIRE GRY/BRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER IPC FUSE LAMP LEFT BACKUP LAMP LEFT INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT LEFT INSTRUMENT PANEL JUNCTION BLOCK LEFT LOWER TAIL/STOP, TURN SIGNAL LAMP LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP ASSEMBLY LEFT TURN IND LEFT UPPER TAIL/STOP, TURN SIGNAL LAMP LOGIC LT GRN WIRE MARKER LAMP POSITIVE BATT POWER DISTRIBUTION SYSTEM REAR BODY JUNCTION BLOCK RED/GRY WIRE RED/LT GRN WIRE RED/WHT WIRE RIGHT BACKUP RIGHT LOWER TAIL/STOP, RIGHT REAR SIDE RIGHT TAIL LAMP ASSEMBLY RIGHT TURN IND RIGHT UPPER TAIL/STOP, TURN SIGNAL LAMP SER GMLAN LO SPD SIDE OF DASH) TURN SIGNAL LAMP VIO/GRY WIRE VIO/WHT WIRE VOLT YEL/BLU WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CHMSL FUSE DK BLU WIRE DK GRN WIRE GRN/VIO WIRE GRY/BRN WIRE HEADLIGHTS SYSTEM LT BLU WIRE LT GRN LT BLU WIRE NCA WIRE ORG/ WIRE PNK WIRE PPL PRK LMP LT FUSE PRK LMP RT FUSE REAR BODY JUNCTION BLOCK RED WIRE RED/LT GRN WIRE RIGHT FRONT PARK LAMP RIGHT HEADLAMP ASSEMBLY RIGHT LOWER PARK/TURN SIGNAL LAMP RIGHT MULTI-FUNCTION LED CONTROL MODULE HEADLAMP RIGHT PARK DAYTIME RUNNING LAMP RIGHT PARK/TURN SIGNAL LAMP RIGHT UPPER PARK/TURN SIGNAL LAMP STOP LAMP RELAY TRAILER PARK LAMPS RELAY UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/GRY WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/BLU WIRE

5.3L, 6.2L AUDIO AMPLIFIER AUXILIARY AUDIO INPUT AUXILIARY AUDIO INPUT RADIO BLK WIRE CENTER CONSOLE COMPARTMENT ACCESSORY POWER RECEPTACLE CENTER SEAT ACCESSORY POWER RECEPTACLE HUMAN AUDIO/ INTERFACE VIDEO CONTROL INPUT MODULE ADAPTER HVAC RADIO CONTROLS CONTROLS IGNITION COIL 2 IGNITION COIL 8 IGNITION IGNITION COIL 1 COIL 3 IGNITION IGNITION COIL 4 COIL 6 IGNITION IGNITION COIL 5 COIL 7 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INFO DISPLAY MODULE INSTRUMENT PANEL JUNCTION BLOCK MEDIA DISC PLAYER PASSENGER BACK SEAT BLOWER ASSEMBLY PASSENGER BACK SEAT HEATING ELEMENT PASSENGER CUSHION SEAT BLOWER ASSEMBLY PASSENGER CUSHION SEAT HEATING ELEMENT PASSENGER DOOR HANDLE ACCENT LAMP PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER OUTSIDE REARVIEW MIRROR COURTESY LAMP PASSENGER OUTSIDE REARVIEW MIRROR PASSENGER OUTSIDE REARVIEW MIRROR GLASS PASSENGER PRESENCE MODULE PASSENGER SEAT ADJUSTER SWITCH PASSENGER WINDOW SWITCH REAR BODY JUNCTION BLOCK REARVIEW CAMERA RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RIGHT TURN SIGNAL REPEATER LAMP SEAT HEATING CONTROL MODULE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB RECEPTACLE W/ DRIVER, PASSENGER SPLIT SEAT W/ FRONT CENTER SEAT W/O DRIVER, PASSENGER SPLIT SEAT W/O POWER WINDOW WHT WIRE

A/C (A/T) COMPRESSOR TRANSFER CASE SHIFT A/C CONTROL COMPRESSOR SWITCH CLUTCH AUTOMATIC TRANSMISSION ASSEMBLY BATTERY BATTERY CURRENT SENSOR BLK WIRE BODY CONTROL MODULE BRAKE FLUID LEVEL SWITCH CHASSIS CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY ELECTRONIC BRAKE CONTROL MODULE ENGINE BACK LAMP MULTI-FUNCTION OIL INTAKE AIR LEVEL SWITCH SENSOR SWITCH ENGINE CONTROL MODULE FRONT AXLE ENGAGEMENT ACTUATOR FUEL PUMP FUEL DRIVER COMPOSITION CONTROL SENSOR MODULE IGNITION STOP MAIN LAMP RELAY RELAY INSTRUMENT PANEL JUNCTION BLOCK LEFT CARGO LAMP LEFT LICENSE PLATE LAMP LEFT LOWER TAIL/ STOP, TURN SIGNAL LAMP LEFT REAR LEFT SIDE BACKUP MARKER LAMP LAMP LEFT TAIL LAMP ASSEMBLY LEFT UPPER TAIL/ STOP, TURN SIGNAL LAMP REAR BODY JUNCTION BLOCK REAR DEFOGGER GRID REAR DEFOGGER RELAY RIGHT CARGO LAMP RIGHT LICENSE PLATE LAMP RIGHT LOWER TAIL/ STOP, TURN SIGNAL LAMP RIGHT REAR RIGHT SIDE BACKUP MARKER LAMP LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT UPPER TAIL/ STOP, TURN SIGNAL LAMP TRAILER BRAKE POWER CONTROL MODULE TRAILER CONNECTOR TRANSFER CASE CONTROL MODULE TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ TWO SPEED ELECTRIC SHIFT CONTROL W/O TWO SPEED ELECTRIC SHIFT CONTROL WHT WIRE WINDSHIELD WASHER STARTER PUMP RELAY RELAY WINDSHIELD WIPER MOTOR WIPER WIPER WINDSHIELD LOW HIGH WIPER SPEED SPEED RELAY DIODE DIODE

ACCY/RUN CRNK FUSE APO 1/LTR FUSE APO 2 FUSE APO 3 FUSE APO 4 FUSE APO FUSE BLK WIRE BODY CONTROL MODULE BREAKOUT) CENTER CONSOLE 1 ACCESSORY POWER RECEPTACLE CENTER CONSOLE 2 ACCESSORY POWER RECEPTACLE CENTER CONTROL COMPARTMENT ACCESSORY POWER RECEPTACLE CENTER SEAT ACCESSORY POWER RECEPTACLE COLLISION ALERT INDICATORS EMERGENCY VEHICLE PROVISION (BLUNT CUT) END OF DASH) FROM LT DRS FUSE (DIAGRAM 1 OF 5) FROM TRANSFER UNDERHOOD CASE FUSE BLOCK CONTROL (DIAGRAM MODULE 2 OF 5) FROM USB/OBS DET FUSE (DIAGRAM 4 OF 5) FUSE FUSE BLOCK (LOWER LEFT SIDE OF DASH) GRN/VIO WIRE GRY/VIO WIRE HTD WHL FUSE HVAC CONTROL MODULE HVAC/AUX HVAC IGN IGNITION MAIN RELAY INSIDE REARVIEW MIRROR INSTRUMENT CLUSTER INSTRUMENT PANEL 1 ACCESSORY POWER RECEPTACLE INSTRUMENT PANEL 2 ACCESSORY POWER RECEPTACLE INSTRUMENT PANEL JUNCTION BLOCK IPC IGN/SDM IGN FUSE LT GRN/VIO WIRE MOBILE DEVICE SLIDING SUNROOF WIRELESS REAR MOTOR CHARGER WINDOW MODULE SWITCH PASSENGER AIR BAG DISABLED INDICATOR REAR BODY JUNCTION BLOCK REARVIEW CAMERA RED WIRE RED/BRN WIRE RED/DK BLU WIRE RED/WHT WIRE RETAINED ACCESSORY POWER RELAY 1 RETAINED ACCESSORY POWER RELAY 2 RIGHT INSTRUMENT PANEL FUSE BLOCK (IN RIGHT SEO ALC FUSE SEO RAP FUSE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/BLK WIRE VIO/GRY WIRE VIO/LT GRN WIRE VIO/WHT WIRE VIO/YEL WIRE W/ DRIVER, PASSENGER SPLIT SEATS W/O DRIVER, PASSENGER SPLIT SEATS