GMC Sierra 2500 HD (2002-2012) lt grn Wiring diagrams

BACK-UP ALARM BCK/UP BCK/UP LAMP PCB RELAY BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) DK BLU WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR LEFT BACKUP LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT GRN WIRE NCA WIRE REAR LAMPS JUNCTION BOX (INSIDE OF LEFT REAR FRAME RAIL) RIGHT BACKUP LAMP TRLR BCK/UP FUSE 11 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEH BCK/UP FUSE 16 WHT WIRE

BLK WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) COURTESY/ READING LAMP CREWCAB DOME DOME LAMP DRIVER DOOR LOCK SWITCH DRIVER MINI WEDGE SWITCH EXCEPT CREWCAB FRONT PASSENGER MINI WEDGE SWITCH LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE READING RIGHT I/P FUSE BLOCK SIERRA DENALI SWITCH SIG TO BODY RELAY BLOCK (DIAGRAM 2 OF 2) WHT WIRE

8.1L 8.1L (W/ ALLISON) TRANSMISSION CONTROL MODULE ACTIVE, ELECT SHIFT TRANSFER CASE ACTIVE, MANUAL SHIFT TRANSFER CASE BLK WIRE BLK/WHT WIRE BUCKET CKP SENSOR SHIELD CMP SENSOR SHIELD CREW CAB CREW CAB CREW CAB DIESEL DRIVER SEAT ADJUSTER SWITCH ELECTRONIC BRAKE CONTROL MODULE ENGINE OIL LEVEL SWITCH EXC 8.1L W/O CALIF LEV EXCEPT 8.1L EXCEPT 8.1L 8.1L EXCEPT CREW CAB FRONT AXLE ACTUATOR FUEL HEATER FUEL PRESSURE REGULATOR SHIELD FUEL PRESSURE SENSOR SHIELD FUEL PUMP FUEL PUMP, SENDER ASSEMBLY (PRIMARY) FUEL PUMP, SENDER ASSEMBLY (SECONDARY) GAS GLOW PLUG CONTROL MODULE GRN WIRE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INTAKE AIR TEMPERATURE (IAT)/MASS AIRFLOW (MAF) SENSOR LEFT REAR WINDOW DOOR SWITCH) LATCH (LEFT REAR) ASSEMBLY LT GRN WIRE MANUAL SHIFT TRANSFER CASE MEMORY SEAT MODULE NCA WIRE NON- BUCKET PARK/ NEUTRAL POSITION SWITCH POWERTRAIN CONTROL MODULE RED WIRE RIGHT REAR REAR DOOR WINDOW LATCH DEFOGGER ASSEMBLY GRID SEAT BOLSTER/ LUMBAR SWITCH (FRONT PASSENGER) SEAT MEMORY ADJUSTER SEAT SWITCH MODULE (PASSENGER) (DRIVER) TRANSFER CASE SHIFT CONTROL MOTOR TRANSFER CASE SHIFT CONTROL SWITCH WATER IN-FUEL SENSOR WHT WIRE WINDOW DRIVER SWITCH SEAT (RIGHT ADJUSTER REAR) SWITCH

A/T SHIFT LOCK BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE BTSI FUSE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER DRIVER SEAT SEAT FRONT HORIZONTAL VERTICAL POSITION MOTOR SENSOR DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT FRONT VERTICAL POSITION SENSOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT REAR VERTICAL POSITION SENSOR DRIVER SEAT RECLINER MOTOR DRIVER SEAT RECLINER MOTOR POSITION SENSOR DRIVER WINDOW/ DOOR LOCK SWITCH FRONT VERT DN FRONT VERT UP FRT DN FRT UP FT VERT DN CTRL FT VERT POS SEN FT VERT UP CTRL GROUND GRY/BLK WIRE HALL EFFECT SENSOR HOR FWD HOR RWD HORIZ FWD HORIZ FWD CTRL HORIZ POS SEN HORIZ RWD HORIZ RWD CTRL HOT AT ALL TIMES HOT IN PARK IGN 3 FUSE IGN 3 VOLT LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MEMORY 1 SW PPL MEMORY 2 SW MEMORY SEAT MODULE (UNDERSIDE OF DRIVER'S SEAT) MEMORY SET SW MEMORY/HEATED SEAT SWITCH MIR/LOCK FUSE NCA WIRE NOT USED ORG/ WIRE PPL RCL 1 RCL 2 REAR DN REAR UP REAR VERT DN REAR VERT UP RECL FWD RECL RWD RECLINE FWD RECLINE FWD CTRL RECLINE POS SEN RECLINE RWD RECLINE RWD CTRL RED WIRE RR VERT DN CTRL RR VERT POS SEN RR VERT UP CTRL SEATS CIRCUIT BREAKER SENSOR GROUND SET- SHIFT INTERLOCK SYSTEM SUPPLY VOLT TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT, NEAR BATTERY) WHT WIRE YEL WIRE

A/C DRL RELAY RELAY AIR BAG FUSE SEO IGN FUSE AUTOMATIC TRANSMISSION (W/O ALLISON) TRANSMISSION CONTROL MODULE (W/ ALLISON) AUXILARY POWER OUTLET B/U LP FUSE IGN E FUSE BLK WIRE BODY CONTROL MODULE BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH) BRN WIRE BULB TEST CAMSHAFT PARK/ POSITION NEUTRAL (CMP) POSITION SENSOR SWITCH (A/T) (4.3L) CRANK FUSE IGN O FUSE CRUISE CONTROL ON/OFF SWITCH EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID EXT LPS FUSE FROM CIGAR FUSE (DIAGRAM 1 OF 4) FUEL HEATER HEATED (DIESEL) OXYGEN SENSOR GAS ONLY GLOW PLUG CONTROLLER (DIESEL) GRN WIRE I/P LEFT FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) IGN A FUSE IGN B FUSE IGN C FUSE IGNITION SWITCH INSIDE INSTRUMENT REARVIEW PANEL MIRROR CLUSTER (IPC) INSIDE TEMPERATURE SENSOR PNK ASSEMBLY WIRE INSTRUMENT INSTRUMENT PANEL PANEL CLUSTER CLUSTER (IPC) (IPC) LT GRN WIRE LT PNK WIRE NCA WIRE OFF OFF BULB TEST ORG/ WIRE PNK PNK (CANADA BUILT) (OTHERS) WIRE PNK PNK PNK (CANADA BUILT) (OTHERS) (CANADA BUILT) (OTHERS) WIRE PNK PNK PNK PNK WIRE PNK PNK PNK WIRE PNK PNK PPL/ PNK (GAS) (DIESEL) WIRE PNK PNK WIRE PNK WIRE PRO REAR DEFOG RELAY RED WIRE RED/WHT WIRE RR HVAC FUSE RR WPR FUSE RTD FUSE RUN WIRE SELECTABLE BATTERY RIDE MONITOR SWITCH SIERRA SPLICE PACK PNK WIRE STARTER RELAY STUD 1 FUSE STUD 1 STUD 2 STUD 2 FUSE SWITCH (M/T) TO HTR/ A/C FUSE (DIAGRAM 3 OF 4) TO IGN 1 RELAY (DIAGRAM 3 OF 4) TO IGN 1 RELAY (DIAGRAM 3 OF 4) ENG 1 FUSE TO RETAINED ACCESSORY POWER RELAY (DIAGRAM 4 OF 4) RR WIPER FUSE TRACTION DRIVER ASSIST INFORMATION SWITCH CENTER (DIC) TRAILER TRAILER CONNECTOR WIRING TRANS CONTROL MODULE TRANSFER CASE SHIFT CONTROL SWITCH TURN FUSE IGN 1 FUSE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDER- HOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ ALLISON WHT WIRE WINDSHIELD CRUISE WIPER CONTROL MOTOR MODULE MODULE WINDSHIELD WASHER SWITCH WS WIPER FUSE SEO ACCY FUSE CRUISE FUSE YEL WIRE

BLK WIRE BLU WIRE BODY CONTROL MODULE BODY RELAY BLOCK (LEFT SIDE OF DASH) BRN WIRE CAMPER EXTENSION CAMPER IN-LINE CONNECTOR CAMPER WIRING (PICKUP ONLY) CHMSL FUSE DK HOT WITH PARKLAMP RELAY ENERGIZED DK LT DK GRN WIRE HEAVY DUTY TRAILER WIRING HOT IN REVERSE (UTILITIES) HOT AT RUN AND START (PICKUP) HOT WITH BACK-UP LAMP SWITCH CLOSED HOT WITH PARKLAMP RELAY ENERGIZED HOT WITH STOPLAMP HOT AT SWITCH ALL TIMES DEPRESSED HOT WITH STOPLAMP SWITCH DEPRESSED INT PRK FUSE LIGHT DUTY TRAILER WIRING (PICKUP ONLY) LT DK LT DK LT DK LT GRN WIRE LT PICKUP ONLY NCA WIRE RED WIRE SPLICE PACK 203 STUD 1 STUD 1 MAXI FUSE CHMSL FUSE STUD 2 TRAILER IN-LINE CONNECTOR TRAILER WIRING (BLUNT CUT) TRL L TRN FUSE TRL PRK FUSE TRL R TRN FUSE TRL R TRN FUSE TRL PRK FUSE TRLR B/U FUSE TURN/ HAZARD SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT, NEAR BATTERY) UTILITIES ONLY VEH B/U FUSE WHT WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ECM-B FUSE ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF CYLINDER HEAD) ENGINE OIL LEVEL SWITCH (RIGHT SIDE OF OIL PAN) FUEL PUMP RELAY GRY WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 1) (LEFT EXH PIPE, BEFORE CONVERTER) HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (RIGHT EXH PIPE, AFTER CONVERTER) HOT AT ALL TIMES KNOCK SENSOR (UNDER INTAKE MANIFOLD) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK PNK WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK PNK WIRE PPL PNK WIRE PPL PPL PPL/WHT WIRE PRIMARY FUEL PUMP, SENDER ASSEMBLY (IN FUEL TANK) RED WIRE SECONDARY FUEL PUMP RELAY SECONDARY FUEL PUMP, SENDER ASSEMBLY (IN FUEL TANK) TAN WIRE UNDER- HOOD FUSE BLOCK WHT WIRE WHT/ BLK WIRE YEL WIRE

1-2 SOL 2-3 SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLU WIRE BODY RELAY BLOCK BRAKE FUSE BRN WIRE BRN/RED WIRE CAMSHAFT POSITION SENSOR (TOP CENTER REAR OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP CANISTER PURGE SOLENOID (TOP RIGHT REAR OF ENGINE) EVAP CANISTER VENT SOLENOID (RIGHT FRONT SIDE OF FUEL TANK) EXHAUST GAS RECIRCULATION VALVE (TOP RIGHT FRONT OF ENGINE) FUEL TANK PRESSURE SENSOR (IN FUEL TANK) GRY DK GRN WIRE GRY WIRE HOT IN RUN HOT IN RUN, START LEFT I/P FUSE BLOCK LT BLU WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK WIRE PNK/BLK WIRE PPL PPL PNK PNK WIRE PPL PNK WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE REV STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STOP LPS FUSE TAN WIRE TCC PWM SOL TFT SENSOR UNDER- HOOD FUSE BLOCK VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR ADAPTER WHT WIRE YEL WIRE YEL/BLK WIRE

ACT CNTRL APP SENS 1 APP SENS 2 APP SENS 3 BLK WIRE BLK/WHT WIRE BRN WIRE CRUISE CONTROL SYSTEM CRUISE REQ DATA DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECT FUSE FUSE GROUND GRY WIRE GRY/BLK WIRE HOT IN RUN OR START HOT IN RUN, START IAT SENSOR INTAKE AIR TEMPERATURE/ MASS AIRFLOW SENSOR (IN AIR INTAKE DUCT) IGN LEFT I/P FUSE BLOCK LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/BLK WIRE PNK PNK WIRE PNK WIRE PPL PPL PNK PNK WIRE PPL/WHT WIRE R/A INPUT RED WIRE RED/BLK WIRE S/C INPUT SENS 1 GRD SENS 2 GRD SENS 3 GRD SENS GRD SIGNAL STP LP IN TAN WIRE THROTTLE POSITION SENSOR (W/ ELECTRONIC THROTTLE CONTROL) (ON THROTTLE BODY) TP SENS 1 TP SENS 2 UNDERHOOD FUSE BLOCK VEH STOP FUSE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 PNK PNK WIRE 29 30 31 PNK WIRE A/C CLU A/C REQ A/C SYSTEM A/C SYSTEM 1310 419 1223 1222 1827 ANTI-LOCK BRAKE SYSTEM ANTI-LOCK BRAKE SYSTEM (SPEED SIGNAL) AUTOMATIC TRANS- MISSION INPUT SHAFT SPEED SENSOR BLK WIRE BLK/ GRY WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM CRUISE ENG CTRL DELIVERED TORQ PC SOL HI EGR CTRL PC SOL LO FUEL PMP RPM OUT RECIRC SW DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP VENT MIL CTRL 2-3 SS 1-2 SS VSS OUT VSS OUT TFT SENS SIG GEN F FUSE GEN L GRY WIRE GRY/BLK WIRE HOT IN RUN, START IAC COIL HI IAC COIL LO IAC COIL LO IAC COIL HI IDLE AIR CONTROL VALVE (TOP OF THROTTLE BODY) IGN IGN CTRL IGN CTRL IGN CTRL IGN CTRL IGN FEED GND EGR GND IGNITION COILS INSTRUMENT CLUSTER SYSTEMS (SPEED SIGNAL) INSTRUMENT PANEL CLUSTER MALFUNCTION INDICATOR LAMP LEFT I/P FUSE BLOCK LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAF SIG MAP SIG RECIRC DOOR EVAP CANP NCA WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL FUEL LEV CYC SW IN PPL PNK PNK WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE REF LO REF LOW REF LOW PRND C TRANS RNG A FUEL SIG CTRL RPM OUT SEC FUEL LVL SENS GND SPARK PLUG SPARK SPARK PLUG PLUG STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TP SIG IAT SIG IGN CTRL IGN CTRL IGN CTRL IGN CTRL TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLIGHT SWITCH) UNDERHOOD FUSE BLOCK VSS LOW VSS HIGH WHT WIRE YEL WIRE YEL/BLK WIRE