GMC Sierra 2500 (2000-2004) tan Wiring diagrams

BASE CREWCAB 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) DK BLU WIRE DK BLU/WHT WIRE DRIVER DOOR LOCK SWITCH DRIVER MINI WEDGE SWITCH DRIVER SWITCH FRONT PASSENGER MINI WEDGE SWITCH LEFT I/P FUSE BLOCK LEFT REAR MINI WEDGE SWITCH ORG/ WIRE PASS SWITCH REAR SW RIGHT I/P FUSE BLOCK RIGHT I/P FUSE BLOCK (ON LOWER RIGHT SIDE OF DASH) RIGHT REAR MINI WEDGE SWITCH TAN WIRE UPLEVEL CREWCAB WHT WIRE

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

BACK BLK WIRE DK BLU WIRE DK GRN WIRE FR DN FR UP FWD FRONT PASSENGER SEAT ADJUSTER SWITCH FRONT PASSENGER SEAT FRONT VERTICAL MOTOR FRONT PASSENGER SEAT HORIZONTAL MOTOR FRONT PASSENGER SEAT REAR RECLINER MOTOR FRONT PASSENGER SEAT REAR VERTICAL MOTOR HOT AT ALL TIMES I/P RELAY BLOCK LT BLU WIRE LT GRN WIRE ORG/ WIRE RED WIRE RR DN RR UP SEATS CIRCUIT BREAKER TAN WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE DK BLU WIRE DK GRN WIRE DRIVER WINDOW MOTOR DRIVER WINDOW/ DOOR LOCK SWITCH RIGHT UP RIGHT DOWN HOT IN ACC, RUN, BULB TEST, START, WITH RAP RELAY ENERGIZED LEFT DOWN LEFT I/P FUSE BLOCK (LEFT SIDE OF I/P) LEFT UP PASSENGER WINDOW MOTOR PASSENGER WINDOW/ DOOR LOCK SWITCH PWR WDO CIRCUIT BREAKER RIGHT I/P FUSE BLOCK (ON LOWER RIGHT SIDE OF DASH) SPLICE PACK TAN WIRE UP DOWN WDO DN RELAY WDO UP RELAY

BLK WIRE BLU WIRE BRN WIRE DK BLU WIRE DK DK PPL DK GRN WIRE DOWN DOWN UP DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH FRONT PASSENGER WINDOW MOTOR FRONT PASSENGER WINDOW SWITCH GRN WIRE HOT IN ACC, RUN, BULB TEST OR W/RAP RELAY ENERGIZED LEFT FRONT DOWN LEFT FRONT UP LEFT I/P FUSE BLOCK (LEFT SIDE OF I/P) LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LOCKOUT LT GRN WIRE PPL PPL DK PWR WDO CIRCUIT BREAKER RIGHT FRONT DOWN RIGHT FRONT UP LEFT REAR DOWN LEFT REAR UP RIGHT I/P FUSE BLOCK (RIGHT SIDE OF I/P) RIGHT REAR UP RIGHT REAR DOWN RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH SPLICE PACK TAN WIRE WINDOW DOWN RELAY WINDOW UP RELAY

4 5 RF + GROUND 6 7 8 9 10 DIMMER I/P LAMP ANTENNA BLK WIRE BRN WIRE DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT WITH RAP RELAY ENERGIZED IGNITION BATTERY LEFT FRONT DOOR SPEAKER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR SPEAKER LF+ LR (-) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE RADIO RADIO FUSE RDO I FUSE RF+ RIGHT FRONT DOOR SPEAKER RIGHT REAR SPEAKER RR (-) TAN WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) YEL WIRE

4 5 RF + GROUND 6 7 8 9 10 DIMMER I/P LAMP ANTENNA BLK WIRE BODY RELAY BLOCK BRN WIRE DATA LINK CONNECTOR DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT WITH RAP RELAY ENERGIZED IGNITION BATTERY LEFT FRONT DOOR SPEAKER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR DOOR SPEAKER LF+ LR (-) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE RADIO RADIO FUSE RDO I FUSE RF+ RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER RR (-) SERIAL DATA TAN WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) YEL WIRE

19 20 LR - LR + 4 5 6 7 8 9 10 RF + GROUND DIMMER I/P LAMP ANTENNA BARE BLK WIRE BLK/WHT WIRE BODY JUNCTION BLOCK (NEAR LEFT KICK PANEL) BODY RELAY BLOCK BRN WIRE BRN/WHT WIRE CD PLAYER- REMOTE PLAY- BACK DEVICE CRUISE CONTROL MODULE DATA LINK CONNECTOR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT WITH RAP RELAY ENERGIZED IGNITION BATTERY INSTRUMENT CLUSTER LEFT FRONT DOOR SPEAKER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR DOOR SPEAKER (CREW CAB) LEFT REAR SPEAKER (EXCEPT CREW CAB) LF+ LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) RADIO RADIO FUSE RADIO ON SIG DIM SIG IN DRAIN RT OUTPUT RDO I FUSE RF+ RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER (CREW CAB) RIGHT REAR SPEAKER (EXCEPT CREW CAB) RR (-) SERIAL DATA VSS SIGNAL RR - TAN WIRE UNDERHOOD JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPT) VEHICLE INTERFACE UNIT (IN THE RIGHT SIDE OF I/P NEAR THE INSTRUMENT CLUSTER) VSS SIGNAL YEL WIRE

19 20 LR - LR + 4 5 6 7 8 9 10 RF + GROUND DIMMER I/P LAMP ANTENNA BARE BLK WIRE BLK/WHT WIRE BODY JUNCTION BLOCK (NEAR LEFT KICK PANEL) BODY RELAY BLOCK BRN WIRE BRN/WHT WIRE CD PLAYER- REMOTE PLAY- BACK DEVICE CRUISE CONTROL MODULE DATA LINK CONNECTOR (ON LEFT LOWER DASH BELOW THE STEERING COLUMN) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT WITH RAP RELAY ENERGIZED IGNITION BATTERY INSTRUMENT CLUSTER LEFT FRONT DOOR SPEAKER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR DOOR SPEAKER (CREW CAB) LEFT REAR SPEAKER (EXCEPT CREW CAB) LF+ LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) RADIO RADIO FUSE RDO I FUSE RF+ RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER (CREW CAB) RIGHT REAR SPEAKER (EXCEPT CREW CAB) RR (-) SERIAL DATA VSS SIGNAL RR - TAN WIRE UNDERHOOD JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPT) VSS SIGNAL YEL 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