GMC Cab & Chassis Sierra 3500 (2004-2007) grn Wiring diagrams

BLK WIRE BLU WIRE COOL/ FAN RELAY 1 COOL/ FAN RELAY 2 COOL/ FAN RELAY 3 COOL/FAN FUSE DK BLU WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (ON LEFT CYLINDER HEAD) GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COOLING FAN POWERTRAIN CONTROL MODULE (PCM) RIGHT COOLING FAN UNDERHOOD COOLING FAN FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE

8.1L 8.1L (W/ ALLISON) TRANSMISSION CONTROL MODULE ACTIVE, MANUAL SHIFT TRANSFER CASE ACTIVE, ELECT 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 WINDOW SWITCH) (LEFT REAR) 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 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 DOOR LATCH ASSEMBLY LT GRN WIRE MANUAL SHIFT TRANSFER CASE MEMORY SEAT MODULE NCA WIRE NON BUCKET BUCKET NON- BUCKET PARK/ NEUTRAL POSITION SWITCH POWERTRAIN CONTROL MODULE REAR WINDOW DEFOGGER GRID RED WIRE SEAT ADJUSTER SWITCH (PASSENGER) SEAT BOLSTER/ LUMBAR SWITCH (FRONT PASSENGER) TRANSFER CASE SHIFT CONTROL MOTOR FRONT AXLE ACTUATOR TRANSFER CASE SHIFT CONTROL SWITCH WATER IN-FUEL SENSOR WHT WIRE

BLK WIRE BLU WIRE COOL/ FAN RELAY 1 COOL/ FAN RELAY 2 COOL/ FAN RELAY 3 COOL/FAN FUSE DK BLU WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (ON LEFT CYLINDER HEAD) GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COOLING FAN POWERTRAIN CONTROL MODULE (PCM) RIGHT COOLING FAN UNDERHOOD COOLING FAN FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE

2061 2062 1732 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 511 1947 1946 546 1851 LF SPK OUT+ LF SPK OUT- RR AUD SIG+ RR AUD SIG- GROUND 599 1547 1546 512 LR SPK OUT + LR SPK OUT - RF SPK OUT - RF SPK OUT + 6 7 8 9 10 11 12 13 14 15 16 PPL ANTENNA BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRN WIRE GRY/BLK WIRE I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT CLUSTER SYSTEM VSS SIGNAL LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE PPL ENABLE SIG PROG VOICE RADIO RADIO MUTE REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE SEEK UP SEEK DN SERIAL DATA SOURCE DN SOURCE UP TAN WIRE UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VEHICLE COMMUNICATION INTERFACE MODULE (BEHIND PASSENGER AIR BAG MODULE) VOL UP VOL DN WHT WIRE

2061 2062 1732 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 4 5 BARE 511 1947 1946 546 1851 LF SPK OUT+ LF SPK OUT- RR AUD SIG+ RR AUD SIG- GROUND 599 1547 1546 512 LR SPK OUT + LR SPK OUT - RF SPK OUT - RF SPK OUT + ANTENNA BARE BARE 7 8 9 10 11 12 13 14 15 16 17 18 BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GRN WIRE GROUND GRY/BLK WIRE I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT CLUSTER SYSTEM VSS SIGNAL LR AUD SIG+ LT BLU WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE PPL PPL ENABLE SIG PROG VOICE RADIO RADIO MUTE REAR SEAT AUDIO CONTROLLER REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RR AUD SIG+ SEEK UP SEEK DN SERIAL DATA SOURCE DN SOURCE UP TAN WIRE UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VEHICLE COMMUNICATION INTERFACE MODULE (BEHIND PASSENGER AIR BAG MODULE) VOL UP VOL DN WHT WIRE

2061 2062 1732 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 511 1947 1946 546 1851 LF AUD SIG+ LF AUD SIG- RR AUD SIG- RR AUD SIG+ GROUND 599 1547 1546 512 LR AUD SIG + LR AUD SIG - RF AUD SIG - RF AUD SIG + ANTENNA BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRN WIRE GROUND HOT AT ALL TIMES I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT CLUSTER SYSTEM LR AUD SIG+ LT BLU WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE PROG VOICE RADIO RADIO FUSE REAR SEAT AUDIO CONTROLLER REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RR AUD SIG+ SEEK UP SEEK DN SERIAL DATA SOURCE DN SOURCE UP TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VEHICLE COMMUNICATION INTERFACE MODULE (BEHIND RIGHT SIDE OF DASH) VOL UP VOL DN VSS WHT WIRE

35 39 (DIESEL) (GASOLINE) A/T BLK WIRE CLUTCH CLUTCH START SWITCH SIGN CRANK FUSE CRANK SIGN DK GRN WIRE GASOLINE ONLY GRN WIRE IGN A FUSE IGN B FUSE IGN E FUSE IGNITION SWITCH LEFT BATTERY LOCK OFF M/T PARK/NEUTRAL POSITION SWITCH (A/T) (ON LEFT SIDE OF TRANSMISSION) PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED WIRE RUN WIRE STARTER MOTOR STARTER RELAY STARTER SOLENOID SWITCH (M/T) (ON TOP OF CLUTCH PEDAL ASSEMBLY) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) UNDERHOOD JUNCTION BLOCK (AT LEFT SIDE OF ENG COMPT) YEL WIRE YEL/BLK WIRE

3-2 SS CTRL REF LOW A/C SYSTEM ANTI-LOCK BRAKES SYS 470 451 1671 1667 451 1669 1664 ANTI-LOCK BRAKES SYS 771 420 776 48 1744 846 1101 625 451 B+ CLS 2 DATA BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CFAN LO RLY INJ 7 CTRL INJ 4 CTRL COOLING FANS SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC SUSPENSION SYSTEM FUEL INJECTORS FUSE FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) IGN 0 FUSE KS SIGNAL KS SIGNAL CKP SIG REQ TORQ SIG SERIAL DATA SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OIL LEV SW SIG ORG/ WIRE ORG/BLK WIRE PCMB FUSE PNK 1 2 3 4 5 WIRE PNK PNK 25 26 WIRE PNK PNK 6 7 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL/WHT WIRE PRND B SIG CMP SIG ECT SIG IGN INJ 5 CTRL INJ 8 CTRL RANGE B RANGE C IGN B+ REF LOW RED WIRE RED/BLK WIRE REF LOW REF LOW (A/T) REF LOW REF LOW GND STARTING/ CHARGING SYSTEM TAN WIRE TAN/WHT WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

1694 1478 TRANSMISSION SYSTEM 2755 2530 5425 LOW REF FUEL PRESS VOLT INJ + GROUP 4 INJ 6 INJ 3 2931 6265 LOW REF CMP SENSOR SIG 492 432 MAF SENSOR SIG TURBOCHARGER SIG TUR VANE POS SIG APP SENSOR 2 SIG BLK WIRE BLK/WHT WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (FRONT OF ENGINE, NEAR COOLING FAN PULLEY) COOLANT LEVEL SIG COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM CRUISE SET SW SIG DK BLU WIRE DK BLU/WHT WIRE EGR VAL POS SIG ECT SENSOR SIG ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (TOP OF ENGINE, NEAR OIL FILTER TUBE) ENGINE OIL LEVEL SWITCH (LEFT REAR OF OIL PAN) GRN WIRE GRY WIRE GRY/BLK WIRE IAT SENSOR 2 SIG IAT SENSOR SIG LOW REF LOW REF ENG SHUTOFF SIG CPP SW SIG LOW REF TUR VANE POS INJ + GROUP 3 INJ 5 INJ 4 5930 5423 PPL 845 844 LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE OIL PRESS SIG ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE PTO ON SW SIG CRUISE ON SW SIG LOW REF LOW REF 397 552 CRUISE CONTROL SYSTEM RED/BLK WIRE STARTING/ CHARGING SYSTEM STARTER ENABLE FUEL PRESS INJ + GROUP 2 2834 5422 TAN WIRE TAN/WHT WIRE TURBOCHARGER VANE POSITION CONTROL SOLENOID VALVE WATER IN FUEL SENSOR (ON FUEL FILTER ELEMENT) WHT WIRE YEL WIRE YEL/BLK WIRE

A/C SYSTEM ANTI-LOCK BRAKES SYS B+ CLS 2 DATA BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CMP SIG ECT SIG IGN INJ 5 CTRL INJ 8 CTRL PTO ENGAGE CRANKSHAFT POSITION (CKP) SENSOR (BEHIND LEFT VALVE COVER) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSE FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) IGN 0 FUSE INJ 7 CTRL INJ 4 CTRL INJECTORS KS SIGNAL CKP SIG REQ TORQ SIG SERIAL DATA SERIAL DATA KS SIGNAL PTO STATUS LEV SW SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE M/T OIL LEV SW SIG PTO ENG KILL ORG/ WIRE ORG/BLK WIRE PCMB FUSE PNK IGN B+ REF LOW PTO ENABLE SW REF LOW GND WIRE PNK PNK 2 3 WIRE PNK PNK 27 28 WIRE PNK PNK 4 5 6 7 8 9 10 11 12 13 WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (LEFT FRONT OF ENGINE COMPT) PPL PPL BRK SW SIG P/N SIG CPP SW SIG INJ 1 CTRL INJ 6 CTRL PPL PPL PPL PPL 31 32 33 34 35 36 37 PPL/WHT WIRE RED/BLK WIRE REF LOW REF LOW GND RLY CTRL GND STARTING/ CHARGING SYSTEM TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE