GMC Sierra 3500 (2002-2006) yel Wiring diagrams

AUTOMATIC TRANSMISSION BODY CONTROL MODULE BRAKE FUSE BRN WIRE CRUISE CONTROL ON/OFF SWITCH CRUISE FUSE CRUISE POWER TAKEOFF CONTROL MODULE (PTO) SWITCH CRUISE PTO ELECTRONIC BRAKE CONTROL MODULE FROM AUXILIARY TRANSFER BATTERY CASE SHIFT RELAY CONTROL (DIAGRAM SWITCH 1 OF 6) FROM IGN A FUSE (DIAGRAM 1 OF 6) FRONT AXLE ACTUATOR FUSE HTR/AC FUSE HVAC 1 FUSE HVAC CONTROL MODULE I/P FUSE BLOCK (LEFT SIDE OF DASH, I/P JUNCTION BLOCK (BEHIND RIGHT SIDE OF DASH) IGN 0 FUSE IGN 3 FUSE IGNITION SWITCH LOCK OFF MAN A/C ORG/ WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE PPL PNK WIRE REAR WHEEL STEERING CONTROL MODULE RED WIRE RUN WIRE STEERING WHEEL SPEED/POSITION SENSOR STOPLAMP CLUTCH SWITCH SWITCH TBC IGN 0 FUSE TRACTION CONTROL SWITCH TRANSMISSION TRANSMISSION CONTROL MODULE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) CRANK FUSE WHT WIRE YEL WIRE

A/C COMP RELAY A/T M/T AIRBAG FUSE B/U LP FUSE BODY CONTROL MODULE BRN WIRE CLUTCH DEFOG RELAY EXC 8.1L W/O CALIFORNIA LEV FROM IGN 1 RELAY (DIAGRAM 3 OF 6) FROM IGN B FUSE (DIAGRAM 1 OF 6) FUSE HEATED HEATED OXYGEN OXYGEN SENSOR SENSOR BANK 1 BANK 2 SENSOR 2 SENSOR 2 HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN E FUSE IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INSTRUMENT INSTRUMENT TURN SIGNAL/ PANEL MULTIFUNCTION CLUSTER SWITCH LOCK OFF MOBILE RADIO FUSE BLOCK (UPFITTER OPTION) NCA WIRE PARK/NEUTRAL BACKUP POSITION LAMP SWITCH SWITCH (A/T) PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE RED WIRE RELAY RELAY RR WPR FUSE RUN WIRE SELECTABLE PANEL RIDE SWITCH CLUSTER SEO ACCY FUSE SEO IGN FUSE SWITCH (M/T) TBC ACCY FUSE TBC IGN 1 FUSE TURN SIGNAL/ MULTIFUNCTION SWITCH WINDSHIELD WIPER MOTOR MODULE WS WPR FUSE YEL WIRE

AUTOMATIC TRANSMISSION BODY CONTROL MODULE BRAKE FUSE BRN WIRE CRUISE CONTROL ON/OFF SWITCH CRUISE FUSE CRUISE POWER TAKEOFF CONTROL MODULE (PTO) SWITCH CRUISE PTO ELECTRONIC BRAKE CONTROL MODULE FROM AUXILIARY TRANSFER BATTERY CASE SHIFT RELAY CONTROL (DIAGRAM SWITCH 1 OF 6) FROM IGN A FUSE (DIAGRAM 1 OF 6) FRONT AXLE ACTUATOR FUSE HTR/AC FUSE HVAC 1 FUSE HVAC CONTROL MODULE I/P FUSE BLOCK (LEFT SIDE OF DASH, I/P JUNCTION BLOCK (BEHIND RIGHT SIDE OF DASH) IGN 0 FUSE IGN 3 FUSE IGNITION SWITCH LOCK OFF MAN A/C ORG/ WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE PPL PNK WIRE REAR WHEEL STEERING CONTROL MODULE RED WIRE RUN WIRE STEERING WHEEL SPEED/POSITION SENSOR STOPLAMP CLUTCH SWITCH SWITCH TBC IGN 0 FUSE TRACTION CONTROL SWITCH TRANSMISSION TRANSMISSION CONTROL MODULE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) CRANK FUSE WHT WIRE YEL WIRE

A/C COMP RELAY A/T M/T AIRBAG FUSE B/U LP FUSE BODY CONTROL MODULE BRN WIRE CLUTCH DEFOG RELAY EXC 8.1L W/O CALIFORNIA LEV FROM IGN 1 RELAY (DIAGRAM 3 OF 6) FROM IGN B FUSE (DIAGRAM 1 OF 6) FUSE HEATED HEATED OXYGEN OXYGEN SENSOR SENSOR BANK 1 BANK 2 SENSOR 2 SENSOR 2 HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN E FUSE IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INSTRUMENT INSTRUMENT TURN SIGNAL/ PANEL MULTIFUNCTION CLUSTER SWITCH LOCK OFF MOBILE RADIO FUSE BLOCK (UPFITTER OPTION) NCA WIRE PARK/NEUTRAL BACKUP POSITION LAMP SWITCH SWITCH (A/T) PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE RED WIRE RELAY RELAY RR WPR FUSE RUN WIRE SELECTABLE PANEL RIDE SWITCH CLUSTER SEO ACCY FUSE SEO IGN FUSE SWITCH (M/T) TBC ACCY FUSE TBC IGN 1 FUSE TURN SIGNAL/ MULTIFUNCTION SWITCH WINDSHIELD WIPER MOTOR MODULE WS WPR FUSE YEL WIRE

8.1L ACTIVE, ELECT SHIFT TRANSFER CASE ACTIVE, MANUAL SHIFT TRANSFER CASE BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BUCKET CKP SENSOR SHIELD CMP SENSOR SHIELD 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 INJECTOR CONTROL MODULE FUEL INJECTOR CONTROL MODULE SHIELD FUEL PRESSURE REGULATOR FUEL PUMP FUEL PUMP, SENDER ASSEMBLY (PRIMARY) FUEL PUMP, SENDER ASSEMBLY (SECONDARY) GAS GLOW PLUG CONTROLLER GRN WIRE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INTAKE AIR TEMPERATURE (IAT)/MASS AIRFLOW (MAF) SENSOR LT GRN WIRE MANUAL SHIFT TRANSFER CASE MEMORY SEAT MODULE MEMORY SEAT MODULE DRIVER NCA WIRE NON- BUCKET PARK/ NEUTRAL POSITION SWITCH PNK WIRE POWERTRAIN CONTROL MODULE REAR WHEEL STEERING CONTROL MODULE REAR WINDOW DEFOGGER GRID RIGHT REAR DOOR LATCH ASSEMBLY SEAT BOLSTER/ LUMBAR SEAT SWITCH ADJUSTER SWITCH (FRONT PASSENGER) (PASSENGER) STEERING GEAR MOTOR ASSEMBLY TRANSFER CASE SHIFT CONTROL MOTOR TRANSFER CASE SHIFT CONTROL SWITCH WATER IN-FUEL SENSOR WHT WIRE WINDOW SWITCH (RIGHT REAR) YEL 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 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 COMP SIG B+ CLS 2 DATA FUEL INJECTORS FUSE FUSE FUSE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START I/P FUSE BLOCK IGN 0 FUSE HOT IN RUN, START 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 PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE 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 WHT WIRE YEL WIRE YEL/BLK WIRE

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

1-2 SOL 2-3 SOL 3-2 SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE FUSE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (TOP CENTER REAR OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE OIL PRESSURE (EOP) SENSOR (TOP REAR OF ENGINE) EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID (BEHIND THROTTLE BODY) EVAPORATIVE EMISSIONS CANISTER VENT SOLENOID (RIGHT FRONT SIDE OF FUEL TANK) FUEL TANK PRESSURE SENSOR (IN FUEL TANK) GRY DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK LT BLU WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK PNK 28 29 WIRE PPL PNK PNK WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE REV STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STOP LPS FUSE TAN (OR BLK) WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC SOL TFT SENSOR UNDER- HOOD FUSE BLOCK UNDERHOOD FUSE BLOCK VEHICLE SPEED SENSOR (REAR OF TRANSMISSION/ TRANSFER CASE) WHT WIRE YEL WIRE YEL/BLK WIRE

33 34 35 PNK WIRE 9 10 PNK WIRE ACT CNTRL APP SENS 1 APP SENS 2 AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR 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/ECM FUSE FUSE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, START I/P FUSE BLOCK IGN LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK 11 12 13 14 15 16 17 WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PPL PPL PNK PNK 28 29 WIRE PPL PNK PNK WIRE PPL/WHT WIRE R/A INPUT RED WIRE RED/BLK WIRE RED/WHT WIRE REF LOW S/C INPUT SIGNAL STP LP IN TAC CTRL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE ACTUATOR CONTROL MODULE (REAR OF ENGINE COMPT) TP SENS 1 TP SENS 2 UNDERHOOD FUSE BLOCK VEH STOP FUSE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

33 34 35 PNK WIRE A/C SYSTEM A/C SYSTEM STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COOLING FANS SYSTEM CRANK FUSE CSS SIG AXLE SW SIG VSS LOW SIG VSS HIGH SIG AT ISS HIGH SIG AT ISS LOW SIG CTRL CYCLE SIG DELIVERED TORQ PC SOL HI CTRL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP VENT CTRL MIL CTRL 2-3 SS CTRL 1-2 SS CTRL VSS OUT VSS OUT TFT SENS SIG EXC SEO FUEL LEV SENS FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN, START HOT IN START IAT SIG IGN CTRL IGN CTRL IGN CTRL IGN CTRL PPL IGN IGN CTRL IGN CTRL IGN CTRL IGN CTRL IGN FEED GND IGNITION COILS INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL CLUSTER IPC/DIC FUSE LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAF SIG MAP SIG CFAN HI RLY EVAP CANP CTRL MALFUNCTION INDICATOR LAMP NCA WIRE ORG/ WIRE PC SOL LO CTRL PMP RLY CTRL RPM OUT PNK 11 12 13 14 15 16 17 WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL FUEL LEV SIG PPL PNK PNK WIRE PPL/WHT WIRE PRESS SENS SIG IND CTRL RED WIRE RED/BLK WIRE RED/WHT WIRE REF LO REF LOW RPM OUT SEO SPARK PLUG SPARK SPARK PLUG PLUG STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC SOL CTRL CLU RLY CTRL UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE