GMC Sierra 3500 (2002-2006) not used not used Wiring diagrams

ABS FUSE AUDIO AMPLIFIER BATTERY (LEFT) BATTERY (RIGHT) BATTERY FUSE BLK WIRE BLUNT CUT) BODY CONTROL MODULE EMERGENCY VEHICLE ROOF LAMP RELAY CIG LTR FUSE CIGAR LIGHTER DATA LINK CONNECTOR DIGITAL RADIO RECEIVER DIGITAL RADIO RECEIVER REAR SEAT AUDIO (RSA) CONTROLLER DUAL GENERATOR ELECTRONIC BRAKE CONTROL MODULE EVAPORATIVE EMISSIONS CANISTER VENT SOLENOID EXCEPT LUXURY FUSE FUSE HOLDER FUSIBLE LINK GENERATOR (LEFT) GENERATOR (RIGHT) GLOW PLUG CONTROLLER GLOW PLUG RELAY GLOW PLUG/ INTAKE HEATER RELAY ASSEMBLY I/P RELAY BLOCK (LEFT OF STEERING COLUMN) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN A FUSE IGN B FUSE INTAKE AIR HEATER RELAY LUXURY MINI FUSE MOBILE RADIO MOBILE RADIO FUSE MOBILE RADIO FUSE BLOCK MOBILE RADIO RELAY NCA WIRE NOT USED NOT USED ORG/ WIRE RADIO RADIO AMP FUSE RADIO FUSE REAR SEAT AUDIO (RSA) CONTROLLER (CREW CAB) RADIO REAR WHEEL STEERING REAR WHEEL STEERING CONTROL MODULE REAR WHEEL STEERING FUSE RED WIRE RR WIPER FUSE EAP FUSE RTD FUSE STARTER STARTER RELAY STUD 1 FUSE STUD 2 FUSE SUNROOF FUSE TBC BATT FUSE TO IGNITION SWITCH (DIAGRAM 4 OF 5) TO IGNITION SWITCH (DIAGRAM 5 OF 5) TO IPC/DIC FUSE (DIAGRAM 2 OF 5) TRAILER CONNECTOR TRAILER TOW (BLUNT CUT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD JUNCTION BLOCK UPFITTER OPTION VSES/ ECAS FUSE W/ CALIFORNIA EMISSIONS W/O CALIFORNIA EMISSIONS WHT WIRE WRECKER RELAY

AUX PWR FUSE AUXILIARY POWER OUTLET (BIN) AUXILIARY POWER OUTLET (CONSOLE) AUXILIARY POWER OUTLET (FRONT) BLK WIRE BLOWER FUSE BLOWER MOTOR RESISTOR ASSEMBLY DEFOG RELAY ECU RELAY ENGINE CONTROL MODULE EXCEPT LUXURY F/PMP RELAY FROM RADIO FUSE (DIAGRAM 1 OF 5) FUSE GARAGE DOOR OPENER HVAC CONTROL MODULE HVAC/ECAS FUSE I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFO FUSE INSTRUMENT PANEL CLUSTER IPC/DIC FUSE LH HID FUSE RH HID FUSE LUXURY NCA WIRE NOT USED NOT USED ORG/ WIRE OVERHEAD CONSOLE PCM B FUSE REAR SEAT ENTERTAINMENT ASSEMBLY RED WIRE RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) ROOF BEACON RELAY ROOF BEACON SWITCH RR DEFOG FUSE RR HVAC FUSE STOP LP FUSE STOPLAMP SWITCH TO LBEC 1 FUSE (DIAGRAM 3 OF 5) TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSION CONTROL MODULE TREC FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE VEHICLE COMMUNICATION INTERFACE MODULE REMOTE PLAYBACK DEVICE (CD PLAYER)

ABS FUSE AUDIO AMPLIFIER AUXILIARY BATTERY RELAY (RIGHT REAR OF ENGINE COMPT) BATTERY (LEFT) BATTERY (RIGHT) BATTERY (RIGHT) (W/AUX BATTERY) BATTERY CABLE JUNCTION BLOCK BLK WIRE BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE BRN WIRE CIG LTR FUSE CIGAR LIGHTER DATA LINK CONNECTOR DIGITAL RADIO RECEIVER RADIO ELECTRONIC BRAKE CONTROL MODULE EMERGENCY VEHICLE ROOF LAMP RELAY EVAPORATIVE EMISSIONS CANISTER VENT SOLENOID EXCEPT LUXURY FUSE FUSIBLE LINK 1 FUSIBLE LINK 2 FUSIBLE LINK 3 (8 GA- FUSIBLE LINK 4 FUSIBLE LINK 5 GENERATOR (LEFT) GENERATOR (RIGHT) GLOW PLUG CONTROL MODULE (GPCM) GLOW PLUG FUSE HD TRAILERING EQUIPMENT PROVISION (BLUNT CUT) I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (LEFT OF STEERING COLUMN) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN A FUSE STUD 2 FUSE IGN B FUSE INTAKE AIR HEATER (IAH) MODULE INTAKE AIR HEATER FUSE LUXURY MEGA FUSE MOBILE RADIO FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) NCA WIRE NOT USED NOT USED ORG/ WIRE RADIO AMP FUSE RADIO FUSE REAR SEAT AUDIO (RSA) CONTROLLER REAR SEAT AUDIO (RSA) CONTROLLER DIGITAL RADIO RECEIVER RADIO RED WIRE RELAY RELAY/ FUSE RTD FUSE S/ROOF FUSE RR WIPER FUSE EAP FUSE STARTER STARTER RELAY STUD 1 FUSE SUNROOF CONTROL MODULE TBC BATT FUSE TO IGNITION SWITCH (DIAGRAM 4 OF 5) TO IGNITION SWITCH (DIAGRAM 5 OF 5) TRAILER CONNECTOR (7 WAY) VSES/ ECAS FUSE FUSE W/ AUX BATTERY W/ WRECKER EMERGENCY LAMP WHEEL TRAILER WIRING PROVISION (BLUNT CUT) WRECKER RELAY

AUTO A/C AUX PWR FUSE AUXILIARY POWER OUTLET (BIN) AUXILIARY POWER OUTLET (CONSOLE) AUXILIARY POWER OUTLET (FRONT) BLK WIRE BLOWER FUSE BLOWER MOTOR CONTROL MODULE BLOWER MOTOR RESISTOR ASSEMBLY BREAKOUT) DEFOG RELAY ENGINE CONTROL MODULE (ECM) EXCEPT LUXURY F/PMP RELAY FROM RADIO FUSE (DIAGRAM 1 OF 5) FUSE GARAGE DOOR OPENER HVAC CONTROL MODULE HVAC/ECAS FUSE I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFO FUSE INSTRUMENT PANEL CLUSTER IPC/DIC FUSE LH HID FUSE RH HID FUSE LUXURY MANUAL A/C NCA WIRE NOT USED NOT USED ORG/ WIRE OVERHEAD CONSOLE PCM B FUSE REAR SEAT ENTERTAINMENT ASSEMBLY RED WIRE REMOTE PLAYBACK DEVICE (CD PLAYER) REAR SEAT ENTERTAINMENT ASSEMBLY ROOF BEACON RELAY ROOF BEACON SWITCH RR DEFOG FUSE RR HVAC FUSE STOP LP FUSE STOPLAMP SWITCH TCM B FUSE TO ECM RELAY (DIAGRAM 3 OF 5) TO LBEC 1 FUSE (DIAGRAM 3 OF 5) TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSION CONTROL MODULE (TCM) TREC FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE

A/C COMP FUSE A/C COMP RELAY ACTUATOR FUSE BLK WIRE BODY CONTROL MODULE DDM FUSE DRIVER DOOR UNLOCK RELAY DRL FUSE DRL RELAY ECC/ TPM FUSE AUX PWR 2 FUSE ECM FUSE ECM RELAY ENGINE CONTROL MODULE EXC BASE FLASH FUSE FOG LP FUSE FOG LP RELAY FROM PCM B FUSE (DIAGRAM 2 OF 5) FUSE FUSE FUSE HDLP LOW RELAY HDLP-HI RELAY HORN RELAY I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) LBEC 1 FUSE LBEC 2 FUSE LOCK RELAY LT DOOR CIRCUIT BREAKER LUMBAR BOLSTER SWITCH (FRONT PASSENGER) MBEC 1 FUSE NON BUCKET BUCKET NOT USED NOT USED ORG/ WIRE PARK LP RELAY PASSENGER DOOR MODULE PDM FUSE LOCKS FUSE PNK PNK WIRE PNK WIRE POWER TAKE OFF RELAY RED WIRE RT DOORS CIRCUIT BREAKER SEAT ADJUSTER SWITCH (DRIVER) MEMORY SEAT MODULE (DRIVER) SEAT ADJUSTER SWITCH (FRONT PASSENGER) SEATS CIRCUIT BREAKER TIRE PRESSURE MONITOR (TPM) MODULE TURN SIGNAL/ HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNLOCK RELAY W/S WASH FUSE W/S WASH RELAY WINDOW SWITCH (LEFT REAR) (CREW CAB) DRIVER DOOR MODULE WINDOW SWITCH (RIGHT REAR)

ABS FUSE AUDIO AMPLIFIER AUXILIARY BATTERY RELAY (RIGHT REAR OF ENGINE COMPT) BATTERY (LEFT) BATTERY (RIGHT) BATTERY (RIGHT) (W/AUX BATTERY) BATTERY CABLE JUNCTION BLOCK BLK WIRE BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE BRN WIRE CIG LTR FUSE CIGAR LIGHTER DATA LINK CONNECTOR DIGITAL RADIO RECEIVER RADIO ELECTRONIC BRAKE CONTROL MODULE EMERGENCY VEHICLE ROOF LAMP RELAY EVAPORATIVE EMISSIONS CANISTER VENT SOLENOID EXCEPT LUXURY FUSE FUSIBLE LINK 1 FUSIBLE LINK 2 FUSIBLE LINK 3 (8 GA- FUSIBLE LINK 4 FUSIBLE LINK 5 GENERATOR (LEFT) GENERATOR (RIGHT) GLOW PLUG CONTROL MODULE (GPCM) GLOW PLUG FUSE HD TRAILERING EQUIPMENT PROVISION (BLUNT CUT) I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (LEFT OF STEERING COLUMN) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN A FUSE STUD 2 FUSE IGN B FUSE INTAKE AIR HEATER (IAH) MODULE INTAKE AIR HEATER FUSE LUXURY MEGA FUSE MOBILE RADIO FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) NCA WIRE NOT USED NOT USED ORG/ WIRE RADIO AMP FUSE RADIO FUSE REAR SEAT AUDIO (RSA) CONTROLLER REAR SEAT AUDIO (RSA) CONTROLLER DIGITAL RADIO RECEIVER RADIO RED WIRE RELAY RELAY/ FUSE RTD FUSE S/ROOF FUSE RR WIPER FUSE EAP FUSE STARTER STARTER RELAY STUD 1 FUSE SUNROOF CONTROL MODULE TBC BATT FUSE TO IGNITION SWITCH (DIAGRAM 4 OF 5) TO IGNITION SWITCH (DIAGRAM 5 OF 5) TRAILER CONNECTOR (7 WAY) VSES/ ECAS FUSE FUSE W/ AUX BATTERY W/ WRECKER EMERGENCY LAMP WHEEL TRAILER WIRING PROVISION (BLUNT CUT) WRECKER RELAY

AUTO A/C AUX PWR FUSE AUXILIARY POWER OUTLET (BIN) AUXILIARY POWER OUTLET (CONSOLE) AUXILIARY POWER OUTLET (FRONT) BLK WIRE BLOWER FUSE BLOWER MOTOR CONTROL MODULE BLOWER MOTOR RESISTOR ASSEMBLY BREAKOUT) DEFOG RELAY ENGINE CONTROL MODULE (ECM) EXCEPT LUXURY F/PMP RELAY FROM RADIO FUSE (DIAGRAM 1 OF 5) FUSE GARAGE DOOR OPENER HVAC CONTROL MODULE HVAC/ECAS FUSE I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFO FUSE INSTRUMENT PANEL CLUSTER IPC/DIC FUSE LH HID FUSE RH HID FUSE LUXURY MANUAL A/C NCA WIRE NOT USED NOT USED ORG/ WIRE OVERHEAD CONSOLE PCM B FUSE REAR SEAT ENTERTAINMENT ASSEMBLY RED WIRE REMOTE PLAYBACK DEVICE (CD PLAYER) REAR SEAT ENTERTAINMENT ASSEMBLY ROOF BEACON RELAY ROOF BEACON SWITCH RR DEFOG FUSE RR HVAC FUSE STOP LP FUSE STOPLAMP SWITCH TCM B FUSE TO ECM RELAY (DIAGRAM 3 OF 5) TO LBEC 1 FUSE (DIAGRAM 3 OF 5) TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSION CONTROL MODULE (TCM) TREC FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE

1382 39 INTERIOR LIGHTS SYSTEM ABS IND. AIR BAG IND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BODY RELAY BLOCK BODY RELAY BLOCK (UNDER LEFT SIDE) BODY WIRING RELAY BLOCK BRAKE IND BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL MODULE CRUISE FUSE CRUISE IND DATA LINES DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER ENG SPD SERIAL IGN 1 ENGINE OIL PRESSURE SENSOR EXTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM (DIESEL) FUEL GAUGE GAS GND VSS OIL PRESS GRY WIRE HIGH BEAM IND HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) RADIO FUSE HOT IN HOT IN OFF, RUN OR START HOT IN RUN AND START IGN IGN 1 FUSE IGN O FUSE IGNITON 1 OFF/RUN/ ILLUM PWR ILLUMINATION INSTRUMENT CLUSTER LED DIM LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT TURN IND LO WASHER FLUID LOGIC LOW WASH LT BLU WIRE MESSAGE CENTER NCA WIRE NOT USED NOT USED OIL GAUGE ORG/ WIRE PARK SW PARK SWITCH (PART OF THE PARK BRAKE ASSEMBLY) PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT OF ENGINE COMPT) PPL/WHT WIRE RADIO RIGHT TURN IND RUN WIRE SEAT BELT IND SERVICE ENGINE SOON IND SHIFT IND SPARE SPEEDOMETER TACH OUT TACHOMETER TAN/WHT WIRE TEMP GAUGE TRANS TEMP GAUGE TRIP ODOMETER HOUR METER UNDERHOOD FUSE BLOCK VOLTS GAUGE VSS OUT WAIT TO START WASHER FLUID LEVEL SWITCH (IN WASHER FLUID RESERVOIR) WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 BATT (+) 1150 (OR 1250) GND 1257 1258 TORSO BOLSTER IN CTRL TORSO BOLSTER OUT CTRL PPL 1523 1521 1520 HORIZ RWD SW SIG REAR VERT DN SW SIG FRT VERT DN SW SIG 2407 5701 1269 LUM MTR FWD CTRL TORSO BLSTR IN SW SIG RECLINE FWD SW SIG 2408 5702 LUM MTR RWD CTRL TORSO BLSTR OUT SW SIG RECLINE RWD SW SIG 2425 1048 SEATS SYSTEM HEATED SEAT TEMP SIG CLASS 2 SERIAL DATA 610 610 PNK PNK WIRE 940 1985 2432 5 VOLT REF 5 VOLT REF HTD SEAT BACK PWR BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER'S SEAT ADJUSTER SWITCH FRT UP GRY/BLK WIRE GRY/RED WIRE HOT AT ALL TIMES I/P RELAY BLOCK (NEAR LEFT KICK PANEL) SEAT CIRCUIT BREAKER LT BLU WIRE LT GRN WIRE LUM MTR FWD CTRL LUM MTR RWD CTRL LUM MTR RWD CTRL MEMORY SEAT MODULE (UNDER LEFT FRONT SEAT) NOT USED NOT USED ORG/ WIRE PNK WIRE PNK/ SEATS SYSTEM WIRE PPL PPL TRSO BLSTR POS SENS SIG REC FWD REC RWD RECLINE MTR POS SEN SIG RED/WHT WIRE RR DWN RR UP FRT DWN RWD FWD SEATS SYSTEM SEATS SYSTEM HEATED SEAT TEMP SIG SEATS SYSTEM HTD SEAT BACK PWR TAN WIRE TAN/BLK WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 BATT (+) 1523 1521 1520 HORIZ RWD SW SIG REAR VERT DN SW SIG FRT VERT DN SW SIG 2407 5701 1269 LUM MTR FWD CTRL TORSO BLSTR IN SW SIG RECLINE FWD SW SIG 2408 5702 LUM MTR RWD CTRL TORSO BLSTR OUT SW SIG RECLINE RWD SW SIG 2425 1048 HEATED SEAT TEMP SIG CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM 610 610 PNK PNK WIRE 940 1985 2432 5 VOLT REF RECLINE MTR POS SEN SIG HTD SEAT BACK PWR BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER SEAT ADJUSTER SWITCH FRT UP GRY/BLK WIRE GRY/RED WIRE HOT AT ALL TIMES I/P RELAY BLOCK (NEAR LEFT KICK PANEL) SEAT CIRCUIT BREAKER LT BLU WIRE LT GRN WIRE LUM MTR FWD CTRL LUM MTR RWD CTRL LUM MTR RWD CTRL MEMORY SEAT MODULE (UNDER LEFT FRONT SEAT) NOT USED NOT USED ORG/ WIRE PNK SEATS SYSTEM (HEATED SEATS CIRCUIT) WIRE PNK WIRE PPL PPL TRSO BLSTR POS SENS SIG REC FWD REC RWD RECLINE MTR POS SEN SIG RED/WHT WIRE RR DWN RR UP FRT DWN RWD FWD SEATS SYSTEM (HEATED SEATS CIRCUIT) SEATS SYSTEM (HEATED SEATS CIRCUIT) HEATED SEAT TEMP SIG SEATS SYSTEM (HEATED SEATS CIRCUIT) HTD SEAT BACK PWR TAN WIRE WHT WIRE WHT/RED WIRE YEL WIRE