GMC Sonoma II (1994-2004) (near ashtray) Wiring diagrams

4 DOOR 4 LO REQUEST 2 HI REQUEST 4 HI REQUEST 4 LO STATUS LAMP ANTI-LOCK BRAKES SYSTEM ATC FUSE AXLE SW BLK LT GRN/ WIRE BLK WIRE BLK/WHT WIRE BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE BTSI FUSE CRANK FUSE CRUISE CONTROL SYSTEM CTSY LP FUSE 8 DATA LINK CONNECTOR (DLC) (PARTIAL) (UNDER LEFT SIDE OF DASH) DK BLU/WHT WIRE DK GRN/WHT WIRE ENCODER CHANNEL A ENCODER CHANNEL B ENCODER CHANNEL C ENCODER CHANNEL P ENCODER GROUND ENCODER SIG GROUND GROUND 2 HI STATUS LAMP 4 HI STATUS LAMP FRONT AXLE INDICATOR FUSE 15 GROUND GROUND BATTERY BATTERY GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN PARK OR NEUTRAL I/P FUSE BLOCK (ON LEFT END OF DASH) IGNITION ILLUMINATION LAMP INDICATOR INSTRUMENT CLUSTER, SOUND SYSTEMS LT GRN WIRE LT GRN/ BLK WIRE LT GRN/BLK WIRE MOTOR CONTROL A ORG/ WIRE PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE RUN WIRE SHIFT MOTOR SOLID STATE SPLICE PACK STARTING/ CHARGING SYSTEM STOPLIGHT SWITCH SWITCH SWITCH (ON FRONT AXLE, RIGHT OF DIFF) TAN/BLK WIRE TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE (BEHIND RIGHT FRONT KICK PANEL) TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT FENDER) VS SIGNAL WHT WIRE YEL/BLK WIRE

ANTI-THEFT SYSTEM BLK WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BODY RELAY BLOCK (LEFT SIDE OF DASH, RIGHT OF I/P FUSE BLOCK) COURTESY LAMP COURTESY LAMP RELAY CTSY LAMP FUSE 8 DK BLU WIRE DOME LAMP GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P COMPARTMENT LAMP I/P FUSE BLOCK INADVERTENT POWER INADVERTENT POWER LAMP RELAY INSIDE REARVIEW MIRROR LAMP OR DRIVER INFORMATION DISPLAY MODULE JAMB SW INPUT DR HANDLE SW INPUT LAMP REQUEST LEFT CONSOLE COURTESY LAMP LEFT FRONT DOOR JAMB SWITCH LEFT VISOR VANITY MIRROR LAMP NCA WIRE ORG/ WIRE RIGHT CONSOLE COURTESY LAMP RIGHT FRONT DOOR JAMB SWITCH RIGHT VISOR VANITY MIRROR LAMP TAN WIRE UNDERHOOD LAMP W/ LIGHTED MIRROR ONLY WHT WIRE

2 DOOR UTILITY PICKUP W/ PWR DOOR LOCKS 4 DOOR UTILITY 80 1303 727 (UTILITY) BLK WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL DK BLU WIRE DK BLU/WHT WIRE DRIVER DOOR JAMB SWITCH DRIVER DOOR LOCK CYLINDER SWITCH FR HANDLE SW KEY SW SIG DRV DR SWITCH FRONT PASSENGER DOOR JAMB SWITCH FRONT PASSENGER DOOR LOCK CYLINDER SWITCH GROUND BATTERY SERIAL DATA GROUND HORN RELAY GRY WIRE HORNS SYSTEM HOT AT ALL TIMES IGNITION KEY ALARM SWITCH INSTRUMENT PANEL CLUSTER KEY IN IGN LIFTGATE SW DOOR SW SIG LEFT DOOR HANDLE SWITCH LEFT REAR SIDE DOOR JAMB SWITCH LT GRN WIRE ORG/ WIRE PICKUP PNK WIRE PNK/BLK WIRE PPL REAR WINDOW WIPER CUTOUT, LIFTGLASS AJAR JAMB SWITCH RIGHT DOOR HANDLE SWITCH RIGHT REAR SIDE DOOR JAMB SWITCH SECURITY INDICATOR SPLICE PACK TAN WIRE TBC FUSE UNDERHOOD FUSE BLOCK W/ PWR DOOR LOCKS W/O PWR DOOR LOCKS WHT WIRE

AIR TEMPERATURE ACTUATOR ASHTRAY LAMP AUTOMATIC SHIFT LOCK TRANSMISSION CONTROL SOLENOID AUTOMATIC TRANSMISSION SHIFT LEVEL INDICATOR LAMP AUTOMATIC TRANSMISSION SHIFT LOCK SOLENOID BARE BARE BARE BLK WIRE BLOWER MOTOR CONTROL PROCESSOR (AUTO A/C) BLOWER MOTOR RELAY (MAN A/C) BLOWER MOTOR (MAN A/C) BODY CONTROL MODULE BODY RELAY BLOCK CIGAR LIGHTER COURTESY LAMP RELAY HEADLAMP GROUND RELAY CREW CAB ONLY DATA LINK CONNECTOR (DLC) DOOR LOCK RELAY DOOR UNLOCK RELAY DRIVER DOOR HANDLE SWITCH DRIVER DOOR JAMB SWITCH DRIVER DOOR UNLOCK RELAY DRIVER SEAT BELT SWITCH ENDGATE/ LIFTGATE WINDOW RELEASE SWITCH EX 4 DOOR UTILITY W/ LIFTGATE EXTENTION HARN, 10 CM FROM VSS BREAKOUT) FOG LAMP SWITCH FROM W/ FLOOR SHIFT W/ COLUMN SHIFT (DIAGRAM 3 OF 3) FRONT PASSENGER DOOR JAMB SWITCH FUEL PUMP/ SENDER HEADLAMP SWITCH HVAC CONTROL MODULE I/P COMPARTMENT LAMP IGNITION KEY ALARM SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INSTRUMENT PANEL CLUSTER (IPC) LEFT LICENSE LAMP LEFT REAR MARKER LAMP LEFT REAR PARK/TURN SIGNAL LAMP (FLEETSIDE) LEFT BACK-UP LAMP NCA WIRE PARK LOCK SOLENOID PARK SWITCH PICKUP PICKUP, UTILITY W/O AUTO A/C RADIO REAR WIPER/ WASHER SWITCH RIGHT LICENSE LAMP RIGHT REAR PARK/TURN SIGNAL LAMP SPORTSIDE PICKUP STEERING WHEEL CONTROLS TAN WIRE TRAILER WIRING PROVISION TRANSFER CASE SHIFT CONTROL SWITCH UTILITY UTILITY W/ AUTO A/C UTILITY W/ RADIO CONTROLS UTILITY W/O RADIO CONTROLS W/ COLUMN SHIFT WHT WIRE WINDSHIELD WIPER MOTOR

1356 705 278 192 FTP IN AMBIENT LIGHT SENSOR (TOP LEFT SIDE OF DASH) AUTO PKLP HDLP BATTERY FUSE BLK WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BODY RELAY BLOCK (LEFT SIDE OF DASH) BRN WIRE DAYTIME RUNNING LAMPS RELAY DK BLU WIRE DK GRN/WHT WIRE FOG LAMP RELAY FOG LAMP SWITCH FOG LP FUSE FOG LP IND ILLUM FTP GRN WIRE GRY WIRE HEADLAMP GROUNDING RELAY HEADLAMP POWER RELAY HEADLAMP SWITCH HIGH BEAM/ FLASH-TO- PASS SWITCH HOT AT ALL TIMES I/P FUSE BLOCK HDLP SW FUSE 7 LEFT FOG LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LIGHT SENSOR FOG SW IN HEADLAMP CTRL LT BLU WIRE LT DK LT GRN/BLK WIRE LT HDLP FUSE MULTIFUNCTION SWITCH NCA WIRE ORG/ WIRE PARK BRAKE SW DRL RELAY CTRL PARK BRAKE SWITCH (BASE OF PARK BRAKE ASSEMBLY) PARK LAMP RELAY PARK LP FUSE PARK RLY CTRL FOG RLY CTRL HEADLAMP CTRL HIGH BEAM IN PPL PPL HIGH PPL PPL PPL/WHT WIRE RED WIRE RIGHT FOG LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RT HDLP FUSE SPLICE PACK TBC FUSE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (TOP OF LEFT FRONT FENDER) WHT WIRE YEL WIRE YEL/BLK WIRE

* - INFORMATION NOT AVAILABLE 1356 705 278 192 FTP IN 4.3L AMBIENT LIGHT SENSOR (TOP LEFT SIDE OF DASH) AUTO PARK HEAD BATTERY FUSE BLK WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BODY RELAY BLOCK (LEFT SIDE OF DASH) BRN WIRE DK BLU WIRE DK GRN/WHT WIRE FOG LAMP RELAY FOG LAMP SWITCH FOG LP FUSE FOG LP IND FTP GRY WIRE HEADLAMP POWER RELAY HEADLAMP SWITCH HIGH BEAM/ FLASH-TO- PASS SWITCH HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK HDLP SW FUSE 7 IGN E FUSE ILLUM LEFT FOG LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LIGHT SENSOR FOG SW IN HEADLAMP CTRL LT BLU WIRE LT GRN/BLK WIRE LT HDLP FUSE MULTIFUNCTION SWITCH NCA WIRE ORG/ WIRE PARK BRAKE SW DRL RELAY CTRL PARK BRAKE SWITCH (BASE OF PARK BRAKE ASSEMBLY) PARK LAMP RELAY PARK LP FUSE PARK RLY CTRL FOG RLY CTRL HEADLAMP CTRL HIGH BEAM IN PNK WIRE PPL PPL HIGH PPL PPL PPL/WHT WIRE RED WIRE RIGHT FOG LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RT HDLP FUSE SPLICE PACK TBC FUSE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (TOP OF LEFT FRONT FENDER) WHT WIRE YEL WIRE YEL/BLK WIRE

7 8 9 10 11 12 FUSED IGN GROUND VSS IN AIR TEMP INT LITE DIM PARKLAMPS AIR BAG IND ANTI-LOCK IND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH, NEAR I/P FUSE BLOCK) BRAKE IND BRN WIRE BRN/WHT WIRE CHARGE IND CHECK GAUGES IND CLR IC LOGIC CLSTR FUSE 11 COOLANT TEMPERATURE CRUISE FUSE 3 CTSY LAMP FUSE 8 DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER MODULE (IN FRONT OVERHEAD CONSOLE) ENG SPD VSS IGN 3 SERIAL DATA EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM FUEL FUSED BATT SERIAL DATA GAUGES FUSE 4 GRN WIRE GROUND PARK SW BATT GRY WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN ACCY, RUN OR RAP HOT IN RUN HOT IN RUN OR START HOT IN RUN, BULB TEST OR START HOT W/HEADLAMP SW IN PARK OR HEAD I/P FUSE BLOCK (LEFT END OF DASH) IGN 1 OFF/RUN ILLUM FUSE 12 ILLUMINATION (6 BULB) INSTRUMENT CLUSTER LEFT TURN LOW FUEL LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MIL (SERVICE ENGINE SOON IND) ODOMETER DISPLAY OIL ORG/ WIRE ORG/BLK WIRE OVER SPEED ALARM IND P R N D 3 2 1 PARK SWITCH (IN STEERING COLUMN) PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE RDO BATT FUSE 19 RDO IGN FUSE 24 RED WIRE RIGHT TURN SEAT BELT IND SECURITY IND SERVICE SPARE SPEEDOMETER SPLICE SPLICE PACK TACHOMETER TAIL GATE ALARM IND TAN/WHT WIRE TRANSFER CASE SHIFT CONTROL MODULE (BEHIND RIGHT FRONT KICK PANEL) TRIP RESET UPSHIFT IND VOLT W/ TRIP COMPUTER WHT WIRE YEL WIRE

11 9 (W/ TRIP) (W/O TRIP) ASH TRAY LAMP AUTOMATIC TRANSMISSION SHIFT LEVER POSITION INDICATOR BLK WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH) BODY RELAY BLOCK (LEFT SIDE OF DASH, RIGHT OF I/P FUSE BLOCK) BRN WIRE DIMMER DIMMER INPUT DIMMING CONTROL DK GRN WIRE DRIVER INFORMATION CENTER DRIVER INFORMATION DISPLAY MODULE EXTERIOR LAMPS SYSTEM FOG LAMP SWITCH FRONT PASSENGER DOOR LOCK, WINDOW SWITCH GARAGE DOOR OPENER GRY WIRE HEADLAMP SWITCH HOT AT ALL TIMES PRK LP FUSE HVAC CONTROL ASSEMBLY I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUM FUSE 12 INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INPUT INSTRUMENT CLUSTER LEFT FRONT DOOR HARN, 8 CM FROM RADIO SPEAKER BREAKOUT) LIGHT SWITCH LT BLU WIRE OFF HEAD PARK ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH PICKUP PICKUP ONLY PICKUP UTILITY PPL PPL/WHT WIRE PRK LP FUSE 5 PRK LPS RADIO RADIO DIM REAR WINDOW DEFOG SWITCH REAR WIPER/ WASHER, ENDGATE/ LIFTGLASS WINDOW RELEASE SWITCH REMOTE AUDIO PLAYER STEERING WHEEL CONTROLS STR WHL ILL FUSE 6 TOW/ HAUL SWITCH TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK (TOP OF LEFT INNER WHEELWELL) UTILITY UTILITY W/O ECC ONLY W/ TRIP W/O ELECTRONIC CLIMATE CONTROL W/ ELECTRONIC CLIMATE CONTROL W/O TRIP WHT WIRE WINDOW LOCKOUT SWITCH (4 DOOR) DRIVER DOOR LOCK, WINDOW SWITCH

4 DOOR AMPF FUSE 20 AUDIO AMPLIFIER AUTOMATIC A/C AUX PWR FUSE 13 BLK WIRE BODY RELAY BLOCK CARGO LAMP (UTILITY) CIGAR LIGHTER CIGAR LTR FUSE 2 CTSY LP FUSE 8 DATA LINK CONNECTOR (DLC) DOME LAMP (UTILITY) DOME LAMP, CENTER HIGH MOUNTED STOP LAMP (PICKUP) DOME LAMP (W/O SUNROOF) DOOR UNLOCK RELAY DOOR LOCK RELAY DRIVER INFORMATION CENTER (DIC) (W/O TRIP COMPUTER) DOME LAMP (W/ SUNROOF) DRIVER INFORMATION CENTER (DIC) GARAGE DOOR OPENER MODULE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SWITCH DRIVER'S DOOR UNLOCK RELAY FOG LAMP RELAY DAYTIME RUNNING LAMP (DRL) RELAY FOG LP FUSE FROM ABS FUSE (DIAGRAM 2 OF 5) FROM INT BAT FUSE (DIAGRAM 3 OF 5) FRONT PASSENGER SEAT ADJUSTER SWITCH FUEL PUMP RELAY ECM B FUSE HDLP SW FUSE 7 HEADLAMP SWITCH TAPE/CD REMOTE PLAYBACK DEVICE (BRAVADA) HVAC CONTROL MODULE INSTRUMENT PANEL CLUSTER (IPC) I/P FUSE BLOCK INADVERTENT POWER LAMP RELAY INT BAT FUSE LEFT ACCESSORY POWER OUTLET RIGHT ACESSORY POWER OUTLET MANUAL A/C MEMORY SEAT MODULE NCA WIRE ORG/ WIRE POWER SEATS CIRCUIT BREAKER POWERTRAIN CONTROL MODULE (PCM) PWR LCKS FUSE 14 RADIO RAP FUSE RDO BAT FUSE 19 RED WIRE RIGHT CONSOLE COURTESY LAMP LEFT CONSOLE COURTESY LAMP TO HI BEAM FUSE (DIAGRAM 3 OF 5) TO PWR LCKS FUSE 14 (DIAGRAM 3 OF 5) TO RAP RELAY (DIAGRAM 5 OF 5) TO TBC FUSE (DIAGRAM 4 OF 5) TRANSFER CASE SHIFT CONTROL MODULE UNDER- HOOD FUSE BLOCK UNDERHOOD FUSE BLOCK UTILITY UTILITY W/ OEVERHEAD TRIP CONSOLE UTILITY W/O OVERHEAD CONSOLE, PICKUP UTILITY W/OVERHEAD W/O MEMORY W/ MEMORY

BATTERY GROUND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BEHIND DASH, ON HEATER CASE) BREAKOUT TO REAR WASHER PUMP MOTOR) BRN WIRE CRUISE FUSE 3 DK BLU WIRE DK BLU/WHT WIRE DOOR JAM SWITCH HEADLAMP REQ DOOR LOCKS DRIVER SEAT BELT SWITCH (UNDER LEFT FRONT SEAT) EXTERIOR LIGHTS, INTERIOR LIGHTS FRONT LT LEFT FUSE FRONT RT TURN FUSE GAUGES FUSE 4 GRN WIRE GRY WIRE HEADLAMP SWITCH HOT AT ALL TIMES UNDERHOOD FUSE BLOCK TBC FUSE HOT IN PARK OR HEAD HOT IN RUN HOT IN RUN, START I/P FUSE BLOCK IGNITION 3 SEAT BELT INPUT IGNITION KEY ALARM SWITCH INSTRUMENT CLUSTER INSTRUMENT CLUSTER (CENTER OF DASH) INSTRUMENT CLUSTER PICKUP LEFT DOOR JAMB SWITCH LEFT FRONT PARK/ TURN SIGNAL LAMP LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE PARK LPS FUSE 5 PARK LPS IN KEY IN IGN KEY IN IGN PICKUP PKLP AUTO HDLP PNK IGNITION ON INPUT LEFT TURN SIG RIGHT TURN SIG WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RIGHT FRONT PARK/ TURN SIGNAL LAMP SEATS SYSTEM SERIAL DATA SERIAL DATA GROUND SPLICE PACK 200 TAN WIRE UNDERHOOD FUSE BLOCK UTILITY WHT WIRE