GMC Sierra 2500 (2000-2004) wht Wiring diagrams

BIN LAMP (2003) BLK WIRE BLK/WHT WIRE BRN WIRE CARGO LAMP SWITCH CONVENIENCE PACKAGE COMFORT AND DECOR LEVEL #3 DK BLU/WHT WIRE DK GRN WIRE FRONT PASSENGER DOOR COURTESY LIGHT FRONT PASSENGER DOOR LATCH ASSEMBLY FRONT PASSENGER DOOR MODULE (FPDM) (IN RIGHT FRONT DOOR) GRY/BLK WIRE I/P COMPARTMENT LAMP (2003) I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) LEFT I/P COURTESY LAMP (2003) LEFT I/P FUSE BLOCK (UNDER LEFT SIDE OF DASH) LT BLU WIRE MERCHANDISED PACKAGE LUXURY EDITION ORG/ WIRE RIGHT I/P COURTESY LAMP (2003) RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) TAN WIRE W/O WHT WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE FROM FRT PARK FUSE (DIAGRAM FUSE HOT AT ALL TIMES I/P RELAY BLOCK INT PARK FUSE LEFT FRONT CLEAR- ANCE LAMP LEFT REAR CLEAR- ANCE LAMP LEFT LICENSE LAMP LEFT REAR TURN SIGNAL LEFT TAIL/ STOP LAMP LR PARK FUSE LT BLU WIRE LT GRN WIRE ORG/ WIRE REAR LAMPS JUNCTION BLOCK RED WIRE RIGHT FRONT CLEAR- ANCE LAMP RIGHT REAR CLEAR- ANCE LAMP RIGHT I/P FUSE BLOCK RIGHT LICENSE LAMP RIGHT REAR TURN SIGNAL RIGHT TAIL/ STOP LAMP ROOF BEACON RELAY (AT LOWER LEFT "B" PILLAR ROOF BEACON SWITCH RR PARK FUSE STOP LAMP SWITCH STOP LP FUSE TAILGATE MARKER LAMP TRL PARK FUSE UNDER- HOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ EMERGENCY VEHICLE ROOF LAMP LIGHTING W/ PTO W/ ROOF BEACON LIGHTING WHT WIRE YEL WIRE

1 2 6 9 GROUND LT TURN SIG VOLT LT DOOR LMP PWR LT DOOR LMP GND 22 11 SERIAL DATA LT TURN SIG VOLT 5 9 RT DOOR LMP PWR RT DOOR LMP GND BATTERY BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) CLEARANCE LAMPS COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) DRIVER OUTSIDE REARVIEW MIRROR EXT- ERIOR ILLUM LAMP FLASH FUSE FRONT PASSENGER DOOR MODULE (FPDM) (IN RIGHT FRONT DOOR) GROUND HAZARD SW HOT AT ALL TIMES I/P RELAY BLOCK I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT TURN IND LOGIC LR LAMP VOLT LT BLU WIRE LT GRN WIRE LT TRLR ST/TRN FUSE LT TURN FUSE LT TURN SIG NCA WIRE PASSENGER OUTSIDE REARVIEW MIRROR RED WIRE RIGHT I/P FUSE BLOCK RIGHT ROOF MARKER LAMP LEFT ROOF MARKER LAMP RIGHT TURN IND RR LAMP VOLT RT TRLR ST/TRN FUSE RT TURN FUSE RT TURN SIG RT TURN SIG VOLT SERIAL DATA RT TURN SIG STOPLAMP SW TAN WIRE TRAILER WIRING (BLUNT CUT) TURN IND TURN SIGNAL/FLASHER MODULE UNDER- HOOD FUSE BLOCK VEH CHMSL FUSE VEH STOP FUSE WHT WIRE YEL WIRE

AVALANCHE/ ESCALADE EXT BLK WIRE BLK/WHT WIRE CENTER HIGH MOUNT STOP LAMP DOOR COURTESY LAMP (LEFT REAR) DOOR COURTESY LAMP (RIGHT REAR) ELECTRONIC SUSPENSION CONTROL MODULE ESCALADE EXT EXC 8.1L W/O CALIF LEV EXC ESCALADE EXT HEATED HEATED SEAT SEAT MODULE ELEMENT (LEFT REAR) (LEFT REAR) HEATED SEAT ELEMENT (RIGHT REAR) HEATED SEAT MODULE (RIGHT REAR) IGNITION COIL 1 IGNITION COIL 5 IGNITION IGNITION COIL 2 COIL 6 IGNITION IGNITION COIL 3 COIL 7 IGNITION IGNITION COIL 4 COIL 8 INTAKE AIR TEMPERATURE (IAT)/MASS ENGINE AIRFLOW (MAF) OIL LEVEL SENSOR SWITCH MEMORY SEAT MODULE (PASSENGER) MINI WEDGE (DOOR JAMB SWITCH) (LEFT REAR) MINI WEDGE (DOOR JAMB SWITCH) (RIGHT REAR) NCA WIRE PARK/ NEUTRAL POSITION SWITCH POWERTRAIN CONTROL MODULE REAR OBJECT SENSOR CONTROL MODULE REAR PARKING ASSIST DIAGNOSTIC CONNECTOR REAR WINDOW DEFOGGER GRID ROOF MEMORY WINDOW BEACON SEAT SWITCH) RELAY MODULE (LEFT REAR) ROOF MOUNTED BEACON (BLUNT CUT) WHT WIRE WINDOW CONTACTOR WINDOW SWITCH (RIGHT REAR)

BLK WIRE BLK/WHT WIRE COLUMN SHIFT DATA LINK CONNECTOR DIGITAL RADIO RECEIVER EXC LUXURY HEADLAMP SWITCH HVAC CONTROL MODULE I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) IGNITION KEY ALARM SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LUXURY MULTIFUNCTION TRACTION ACCESSORY CONTROL SWITCH SWITCH NCA WIRE RADIO REAR PARKING ASSIST DISABLE SWITCH REAR SEAT AUDIO AUDIO AMPLIFIER CONTROLLER REAR SEAT ENTERTAINMENT ASSEMBLY REMOTE PLAYBACK DEVICE (CD PLAYER) STEERING WHEEL DIC CONTROLS STEERING WHEEL SPEED/ POSITION SENSOR TAN WIRE THEFT DETERRENT CONTROL MODULE TOW/HAUL SWITCH TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSION SHIFT SELECT SWITCH TURN SIGNAL/ HAZARD FLASHER MODULE TURN SIGNAL/ MULTIFUNCTION SWITCH VEHICLE COMMUNICATION INTERFACE MODULE VEHICLE REAR SEAT COMMUNICATION ENTERTAINMENT INTERFACE ASSEMBLY MODULE WHT WIRE WINDSHIELD HAZARD WIPER/WASHER LAMPS SWITCH SWITCH

AMBIENT LIGHT SENSOR (ON TOP CENTER OF DASH) AMBIENT LT SENS DRL SW SIG FOG LP SW SIG HDLP DIM SW SIG ANL/DRL DEFEAT AUTO AUTO PARK HEAD BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRL FUSE DRL RELAY FLASH TO PASS FOG LAMP SWITCH FOG LP FUSE FOG LP RELAY HDLP HI BM RELAY HDLP LO BM RELAY HEADLAMP SWITCH HI BM RLY CTRL LO BM RLY CTRL DRL RLY CTRL FOG LP RLY CTRL HI HDLP LT FUSE HI HDLP RT FUSE HI/LO BEAM SELECT HLPS ON SIG FLASH TO PASS PK BRAKE SIG LOW REF HOT AT ALL TIMES I/P RELAY BLOCK (NEAR LEFT KICK PANEL) LEFT DAYTIME RUNNING LAMP, LEFT FRONT FOG LAMP RIGHT FRONT FOG LAMP LEFT HIGH BEAM HEAD- LAMP LEFT LOW BEAM HEAD- LAMP LO HDLP LT FUSE LO HDLP RT FUSE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MULTIFUNCTION ACCESSORY SWITCH ORG/ WIRE PARK BRAKE SWITCH (PART OF PARK BRAKE ASSEMBLY) PNK WIRE PNK/WHT WIRE PPL RIGHT DAYTIME RUNNING LAMP RIGHT HIGH BEAM HEAD- LAMP RIGHT LOW BEAM HEAD- LAMP TAN WIRE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

2115 2713 EXTERIOR LIGHTS SYSTEM ABS IND. AIR BAG IND BATTERY GROUND BATTERY IND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRAKE IND BRN/WHT WIRE CARGO LAMP IND CLASS 2 DATA COMPUTER DATA LINES COOLANT TEMP GAUGE CRUISE IND DIC MODE SW DIC TOGGLE SW DIC SW SIG DIC FUEL SIG DIESEL ONLY DK BLU WIRE DK GRN/WHT WIRE EXCEPT SEO EXCEPT SEO SEO FUEL GAUGE FUSE GRY WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START I/P DIM I/P RELAY BLOCK IGN E FUSE IGNITION IGNITION CLASS 2 DATA ILLUMINATION INSTRUMENT PANEL CLUSTER IPC SERIAL DATA IPC/DIC FUSE LAMP LEFT TURN LEFT TURN IND LOW FUEL IND LT BLU WIRE MESSAGE DISPLAY VARIABLE DIMMING MIL CNTRL WAIT TO START LO WASH FLUID VSS ENG SPEED SIG OIL GAUGE ORG/ WIRE ORN/ OVERDRIVE OFF IND PNK WIRE RED WIRE RIGHT TURN BRAKE RIGHT TURN IND SEAT BELT IND SECURITY IND SEO SEO IGN FUSE SOON IND (MIL) SERVICE ENGINE SPEEDOMETER TACHOMETER TIRE PRESSURE IND TOW/HAUL IND TRACTION CONTROL IND TRANSMISSION TEMP GAUGE TRIP ODOMETER HOUR METER TRIP RESET UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UPSHIFT IND VOLTS GAUGE WAIT TO START IND WASHER FLUID LEVEL SENSOR (IN WASHER FLUID RESERVOIR) WHT WIRE YEL WIRE

5 VOLT REF LOW REF 5.3L FLEX FUEL BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) COOLNT LEV SIG OIL LEV SW DIESEL DIESEL (6.6 VIN 1) DIESEL GAS (6.6 VIN 2) DIESEL ONLY DK BLU WIRE DK DK DK GRN WIRE DK GRN/WHT WIRE ENG SPEED SIG ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH (ON OIL PAN) ENGINE OIL PRESSURE SENSOR (ON TOP REAR OF ENGINE) EXCEPT 5.3L FLEX FUEL FUEL LEV SENS CLASS 2 DATA FUEL LEVEL SENSOR (PRIMARY) (INSIDE FUEL TANK) FUEL LEVEL SENSOR (SECONDARY) (INSIDE FUEL TANK) GAS GRN WIRE GRY WIRE I/P RELAY BLOCK INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LOW REF FUEL LEV SENS LT GRN WIRE MIL CTRL NCA WIRE OIL PRES SIG ORG/ WIRE PERSON- ALIZATION POWERTRAIN CONTROL MODULE (PCM) (GAS) (ON LEFT FRONT OF ENGINE COMPT) PPL SBA SIG STEERING WHEEL DIC CONTROLS TAN/WHT WIRE TRIP FUEL SELECT VSS W/ DUAL TANK W/O DUAL TANK WAIT TO START WHT WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CONTROL DK GRN/WHT WIRE FOG LAMP CIRCUIT HVAC CONTROL MODULE INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LOWER RIGHT LT BLU WIRE MULTIFUNCTION ACCESSORY SWITCH NCA WIRE ORG/ WIRE OVERHEAD CONSOLE POWER TAKE OFF (PTO) SWITCH PPL/WHT WIRE REAR WHEEL STEERING CONTROL MODULE REAR WHEEL STEERING MODE SELECT SWITCH REMOTE PLAYBACK DEVICE (CD PLAYER) STEERING WHEEL) TAN WIRE TOW IND TOW MODE IND TRACTION CONTROL SWITCH TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) UPPER LEFT UPPER RIGHT WHT WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK GRN/WHT WIRE DRIVER WINDOW/DOOR LOCK SWITCH ELECTRONIC SUSPENSION SYSTEM EXTERIOR LAMPS FIRM INDICATOR FOG LAMP FRONT PASSENGER WINDOW/DOOR LOCK SWITCH HEADLAMP LEVELING SWITCH I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) MULTIFUNCTION ACCESSORY SWITCH PPL PPL/WHT WIRE RIGHT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) ROOF BEACON SWITCH SELECTABLE RIDE SWITCH WHT WIRE