GMC Sierra 2500 (2000-2004) dk grn 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

BACK BLK WIRE CREW DK BLU WIRE DK GRN WIRE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT REAR VERTICAL MOTOR EXCEPT CREW CAB CAB FRONT DN FRONT UP HOT AT ALL TIMES I/P RELAY BLOCK LT BLU WIRE LT GRN WIRE ORG/ WIRE REAR DN REAR UP RED WIRE SEATS CIRCUIT BREAKER TAN WIRE YEL WIRE

ANL/ DRL BACK-UP LAMPS CIRCUIT BLK WIRE BLK/WHT WIRE BLU WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK LT EMERGENCY VEHICLE ROOF LAMP RELAY FRT PARK FUSE GRN WIRE GRY WIRE GRY/BLK WIRE HAZARD SWITCH HEAD PARK AUTO HEADLAMP SWITCH HOT AT ALL TIMES HOT IN RUN AND START I/P RELAY BLOCK IGN E FUSE LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN SIGNAL LAMP LEFT RIGHT LT BLU WIRE LT GRN WIRE PARK LAMP RELAY PNK WIRE PRK LMP ON RED WIRE RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN SIGNAL LAMP SERIAL DATA PRK LMP RLY STUD 1 FUSE STUD 2 FUSE TO TRL PARK FUSE TRAILER CONNECTOR TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDER- HOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL 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

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

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

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

11 10 5 BATT (+) MEM 1 SW SIG MEM 2 SW SIG BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER DOOR MODULE (IN DRIVER'S DOOR) DRIVER SEAT BOLSTER MOTOR DRIVER SEAT BOLSTER MOTOR POSITION SENSOR DRIVER SEAT BOLSTER/ LUMBAR SWITCH DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT FRONT VERTICAL POSITION SENSOR DRIVER SEAT HORIZ- ONTAL POSITION SENSOR DRIVER SEAT LUMBAR MOTOR DRIVER SEAT LUMBAR MOTOR POSITION SENSOR DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT REAR VERTICAL POSITION SENSOR DRIVER SEAT RECLINER MOTOR DRIVER SEAT RECLINER MOTOR POSITION SENSOR EXIT GRY/RED WIRE IN OUT LT BLU WIRE LT GRN WIRE MEMORY/ HEATED SEAT SWITCH ORG/ WIRE OUT PNK WIRE PPL RED WIRE SET 1 SET 2 TAN WIRE WHT WIRE WHT/RED WIRE YEL WIRE

2 3 1340 1050 BATTERY GROUND 22 14 1046 4140 CLASS 2 SERIAL DATA BATTERY 22 14 1047 4240 CLASS 2 SERIAL DATA BATTERY 4 2 1050 1240 GROUND BATTERY 8 7 4 3 PNK LOW REF MIR SIGNAL MIR SENS LOW REF MIR HTR LOW REF WIRE BLK WIRE BRN WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DDM FUSE DK BLU WIRE DK GRN WIRE DOWN DRIVER DOOR MODULE (IN DRIVER'S DOOR) DRIVER MIRROR DRIVER OUTSIDE REARVIEW MIRROR ELECTRO- CHROMIC FOLDING/ TELESCOPING MOTOR FOLDING/ TELESCOPING MOTOR HORIZONTAL FRONT PASSENGER OUTSIDE REARVIEW MIRROR FRONT PASSENGER DOOR MODULE (IN RIGHT FRONT DOOR) GRY WIRE HEATING ELEMENT HEATING ELEMENT (NEAR RIGHT "A" PILLAR) HOT AT ALL TIMES HOT AT ALL TIMES LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) HVAC CONTROL MODULE (IN CENTER OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) LEFT LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LEFT UP HORIZONTAL LEFT UP VERTICAL LT BLU WIRE LT DOORS CIRCUIT BREAKER LT GRN WIRE ORG/ WIRE PASS- ENGER MIRROR PDM FUSE PNK WIRE PPL PPL/WHT WIRE RED WIRE RIGHT RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RT DOOR CIRCUIT BREAKER SWITCH POWER TAN WIRE VERTICAL WHT WIRE WHT/RED WIRE YEL WIRE