GMC Sierra 2500 (2000-2004) gry Wiring diagrams

1 2 6 8 16 19 20 21 24 40 42 46 47 48 51 62 63 GND TCC PWM PC SOL HI PC SOL LO 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID 407 (OR 720) A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION BLK (OR GRY) WIRE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY WIRING HARNESS JUNCTION BLOCK BRAKE FUSE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE ECMB FUSE ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF CYLINDER HEAD) ENGINE WIRING HARNESS JUNCTION BLOCK EX CAN BUILT CANADIAN BUILT FLUID TEMP SENSOR FRT AXLE SW VSS LO (GROUND) VSS HI (SIGNAL) FUSE FUSE BLOCK GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, BULB TEST, START HOT IN RUN, START INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV, LO RUN WIRE SENS GND B+ CLS 2 DATA CLS 2 DATA SENS GND PRND B ECT SIG IGN 3-2 SS SPLICE PACK STOPLIGHT SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID TCC SOLENOID THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSY) TP SIG GND TCC SOL MIL CTRL 2-3 SS 1-2 SS TFT SENS SIG PRND C TRANS RNG A VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS ADAPTER W/ TRACTION W/O TRACTION WHT WIRE YEL WIRE YEL/BLK WIRE

5.3L W/DUAL BATTERIES AUXILIARY BATTERY RELAY (RIGHT REAR OF ENG COMPT) BATTERY BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE INDICATOR CONTROL COMPUTER DATA LINES DK BLU WIRE DK GRN WIRE FUSIBLE LINK FUSIBLE LINK (8.1L ONLY) GENERATOR B+ GENERATOR FIELD DUTY CYCLE SIGNAL GROUND GRY WIRE HOT IN RUN, START I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) IGN 1 VOLT IGN E FUSE INSTRUMENT PANEL CLUSTER IPC CLASS 2 SERIAL DATA LEFT BATTERY LOGIG PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE RIGHT BATTERY RIGHT BATTERY (W/AUX BATTERY) SEO IGN FUSE SERIAL DATA CLASS 2 SPLICE PACK STARTER SOLENOID SUPPLEMENTAL BRAKE ASSIST (SBA) PUMP MOTOR (MOUNTED TO POWER BRAKE BOOSTER) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) W/ SEO W/AUX BATTERY W/O SEO

BLK WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE CARGO LAMP CARGO LAMP SWITCH CARGO LP SW DOME LP SW DR HANDLE SW LT DOOR JAMB DOME LP DFT COURTESY LAMP RELAY CTSY LP FUSE CTSY LP RLY RT DOOR JAMB LAMP REQUEST DK BLU WIRE DK BLU/WHT WIRE DOME LAMP DOME LAMP DEFEAT SWITCH DOME LAMP SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPT) FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) GRY WIRE GRY/BLK WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P COMPART- MENT LAMP I/P WIRING HARNESS JUNCTION BLOCK (ON LOWER RIGHT SIDE OF DASH) INADVERT RLY INADVERTENT POWER RELAY LEFT FRONT DOOR COURTESY LAMP LEFT I/P COURTESY LAMP LEFT MINI WEDGE (DOOR JAMB SWITCH) LEFT POWER WINDOW/DOOR LOCK SWITCH LT GRN WIRE LT GRN/BLK WIRE OFF ORG/ WIRE PPL READING LAMPS RIGHT FRONT DOOR COURTESY LAMP RIGHT I/P COURTESY LAMP RIGHT MINI WEDGE (DOOR JAMB SWITCH) TAN WIRE UNDERHOOD LAMP ASSEMBLY WHT WIRE

10 12 PNK WIRE 16 5 PNK WIRE AIR TEMP SENSOR AMBIENT PHOTO SENSOR BACK UP LAMP VOLTAGE OUTPUT BACK UP VOLTAGE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK COMPASS COMPUTER DATA LINES SYSTEM DK GRN/WHT WIRE DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) DRIVER OUTSIDE REARVIEW MIRROR ELECTROCHROMIC MIRROR GROUND GRY WIRE HOT IN RUN, START IGN 1 INSIDE REARVIEW MIRROR LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOW REF LOW REF MIR SIGNAL LT GRN WIRE NCA WIRE OUTSIDE AIR TEMPERATURE SENSOR PNK WIRE RR LIGHT PHOTO SENSOR SELECTOR SWITCH SERIAL DATA SIR FUSE TEMP UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE

ASHTRAY LAMP AUTOMATIC TRANSFER CASE SELECT SWITCH BASE BLK WIRE BLUNT CUT) BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE DIM IN DK GRN WIRE DRIVER HEATED SEAT SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPT) FOG/ CARGO LAMP SWITCH FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) ILLUM FUSE GRN WIRE GRY WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES PARK LPS FUSE HVAC CONTROL MODULE/ BLOWER CONTROL SWITCH I/P DIM I/P WIRING HARNESS JUNCTION BLOCK (ON LOWER RIGHT SIDE OF DASH) INFLATABLE RESTRAINT I/P MODULE SWITCH INSTRUMENT CLUSTER INT PRK FUSE LEFT POWER DOOR LOCK SWITCH LEFT POWER WINDOW SWITCH LEFT POWER WINDOW/ DOOR LOCK SWITCH LT BLU WIRE NCA WIRE ORG/ WIRE PARK AUTO PARK LP RLY PARADE MODE PARK LP SIG PARKLAMP RELAY POWER MIRROR SWITCH PPL PPL/WHT WIRE RADIO PPL/ RIGHT HEATED SEAT SWITCH RIGHT POWER DOOR LOCK SWITCH RIGHT POWER WINDOW SWITCH RIGHT POWER WINDOW/DOOR LOCK SWITCH ROOF BEACON SWITCH SELECT- ABLE RIDE SWITCH TRACTION ASSIST SWITCH UP LEVEL BASE WHT WIRE

1 2 3 4 BATTERY SRL DATA 1140 194 BATTERY DR UNLK RLY DR LK RLY SERIAL DATA ALL TIMES UNDERHOOD JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPT) TBC FUSE BLK WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (NEAR LEFT KICK PANEL) DK GRN/WHT WIRE DOOR LOCK RELAY DOOR UNLOCK RELAY DR LOCK FUSE DRIVER DOOR LOCK ACTUATOR DRIVER DOOR LOCK SWITCH GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGN KEY SIG IGNITION KEY ALARM SWITCH (PART OF STEERING COLUMN ASSEMBLY) INSTRUMENT PANEL CLUSTER VSS SIGNAL LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LOCK LOCK FUSE LT BLU WIRE LT GRN WIRE MIR/ LOCK FUSE NCA WIRE ORG/ WIRE PASSENGER DOOR LOCK ACTUATOR PASSENGER DOOR LOCK SWITCH POWERTRAIN CONTROL MODULE (LEFT FRONT INSIDE OF ENGINE COMPARTMENT) VSS SIGNAL REMOTE CONTROL DOOR LOCK RECEIVER (BEHIND TOP CENTER OF DASH) SPLICE PACK 203 SPLICE PACK 203 (UPPER LEFT KICK PANEL) TAN WIRE TAN/BLK WIRE UNLOCK UNLOCK FUSE UNLOCK JMPR FUSE VSS DRV DR UNLK RLY WHT WIRE

1 2 3 4 BATTERY SRL DATA 1140 194 BATTERY UNLOCK IN LOCK IN SERIAL DATA 80 817 IGN KEY SWITCH VSS LF DR UNLK IN BLK WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (NEAR LEFT KICK PANEL) DK GRN/WHT WIRE DOOR LOCK RELAY DOOR UNLOCK RELAY DR LOCK FUSE DRIVER DOOR LOCK ACTUATOR DRIVER DOOR UNLOCK RELAY DRIVER WINDOW/DOOR LOCK SWITCH GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGNITION KEY ALARM SWITCH (PART OF STEERING COLUMN ASSEMBLY) INSTRUMENT PANEL CLUSTER VSS SIGNAL LEFT I/P BLOCK (ON LOWER LEFT SIDE OF DASH) LOCK LOCK FUSE LT BLU WIRE LT GRN WIRE MIR/LOCK FUSE NCA WIRE ORG/ WIRE PASSENGER DOOR LOCK ACTUATOR PASSENGER WINDOW/DOOR LOCK SWITCH POWERTRAIN CONTROL MODULE (LEFT FRONT INSIDE OF ENGINE COMPARTMENT) VSS SIGNAL REMOTE CONTROL DOOR LOCK RECEIVER (BEHIND TOP CENTER OF DASH) RIGHT I/P FUSE BLOCK (ON LOWER RIGHT SIDE OF I/P) SPLICE PACK 203 SPLICE PACK 203 (UPPER LEFT KICK PANEL) TAN WIRE TAN/BLK WIRE UNLOCK UNLOCK FUSE WHT WIRE

4.3L 7 8 9 10 11 12 13 14 15 PNK WIRE ANTENNA BASE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL MODULE DIM SIG IN DRAIN RT OUTPUT LT OUTPUT AUDIO RTN GROUND E&C LINE BATTERY BARE DIM SIG OUT DRAIN RT INPUT LT INPUT AUDIO RTN GROUND E&C LINE BATTERY BARE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EXCEPT 4.3L GRY WIRE HOT AT ALL TIMES HOT WITH RAP RELAY ENERGIZED IGNITION BATTERY INSTRUMENT CLUSTER LEFT BUSSED ELECTRICAL CENTER (ON LOWER LEFT SIDE OF DASH) LEFT FRONT DOOR SPEAKER LEFT REAR SPEAKER LF - LF + RF - RF + GROUND PARK LPS DIMMER LT BLU WIRE LT GRN WIRE MID BUSSED ELECTRICAL CENTER (NEAR LEFT KICK PANEL) NCA WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL/WHT WIRE PREMIUM RADIO RADIO FUSE RAO I FUSE REMOTE COMPACT DISK PLAYER RIGHT FRONT DOOR SPEAKER RIGHT REAR SPEAKER TAN WIRE UNDERHOOD BUSSED ELECTRICAL CENTER (ON LEFT SIDE OF ENGINE COMPT) VEHICLE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) VSS SIGNAL VSS SIGNAL RR (-) RR (+) LR (-) LR (+) YEL WIRE

AIR BAG FUSE AIR BAG INDICATOR BLK WIRE BLK/WHT WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) GROUND GRY WIRE HIGH CONTROL CLASS 2 SERIAL DATA HOT IN RUN, START IGN 1 FUSE IGNITION INFLATABLE RESTRAINT I/P MODULE INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER DRIVER'S SEAT) INFLATABLE RESTRAINT STEERING WHEEL MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER (IPC) JUNCTION BLOCK-BODY (UNDER LEFT SIDE OF DASH, NEAR LEFT KICK PANEL) NCA WIRE OFF OFF ON PNK WIRE PPL 1132 PPL/WHT WIRE SHORTING BAR SOLID STATE SPLICE PACK 205 TAN/BLK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2-HI IND 4-HI IND 4-LO IND 4.3L 4.8L, 5.3L, 6.0L ATC FUSE AUTO AUXILIARY BATTERY RELAY AWD IND B+ MOTOR (CCW) MOTOR (CW) GND BLK WIRE BLK/WHT WIRE BODY WIRING HARNESS JUNCTION BLOCK BRAKE CONTROL BRN WIRE BRN/WHT WIRE CONTROL MODULE CTRL DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENCODER MOTOR ENCODER RTN ENGINE WIRING HARNESS JUNCTION BLOCK FRONT AXLE ACTUATOR/ SWITCH FRONT PROP- SHAFT SPEED SENSOR FT SHAFT SIG FT SHAFT RTN FUSE FUSE BLOCK GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, START ILLUMINATION LAMP (2) INDICATOR LAMP INSTRUMENT CLUSTER LOCK SOL OUT LOGIC LT BLU WIRE LT GRN/BLK WIRE MODULE GND 4-LO IND 4-HI IND NEUTRAL IND FT AXLE CTRL RR SHAFT SIG RR SHAFT RTN NCA WIRE NEUTRAL IND ORG/ WIRE PNK WIRE PPL PPL/WHT WIRE REAR PROP- SHAFT SPEED SENSOR ENCODER LOGIC RED WIRE RED/WHT WIRE REF RUN WIRE SHIFT MOTOR SOLID STATE SPLICE PACK TAN WIRE TAN/BLK WIRE TRANSFER CASE SELECT SWITCH YEL WIRE YEL/BLK WIRE