GMC Sonoma II (1994-2004) i/p fuse block (left end of dash) Wiring diagrams

AMBIENT LIGHT SENSOR (ON TOP LEFT SIDE OF DASH) ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM REMOTE KEYLESS ENTRY CIRCUIT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BRN WIRE COURTESY LAMP SW SIG FLASH-TO-PASS SW SIG CRUISE FUSE 3 DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DRL RELAY CTRL CLASS 2 SERIAL DATA SIGNAL GROUND IGNITION 1 VOLTAGE EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR PARK LAMPS SUPPLY VOLTAGE GAUGES FUSE 4 GMCM SERIAL DATA GROUND BATTERY POSITIVE VOLTAGE DOOR UNLOCK CTRL DOOR LOCK CTRL GRY WIRE GRY/BLK WIRE HEADLAMP HI BEAM RELAY CTRL HLP DIMMER SW HI BEAM SIG HEADLAMP OFF SIG HEADLAMP RELAY COIL SUPPLY VOLTAGE LED DIMMING SIGNAL VEHICLE SPEED SENSOR SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HOT WITH HEADLAMP SWITCH IN HEAD OR PARK I/P FUSE BLOCK (LEFT END OF DASH) I/P LAMP FUSE SUPPLY VOLTAGE AMBIENT LIGHT SENSOR SIG IGNITION KEY ALARM SWITCH (PART OF IGNITION SWITCH) INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM LEFT FRONT TURN SW SIG RIGHT FRONT TURN SW SIG LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH (AT BASE OF PARK BRAKE ASSEMBLY) PARK LP FUSE 5 PNK WIRE PNK/BLK WIRE POWER DISTRI- BUTION SYSTEM (W/ REMOTE KEYLESS ENTRY) POWER DISTRIBUTION SYSTEM (RAP) INTERIOR LIGHTS SYSTEM HORNS SYSTEM PPL PPL/WHT WIRE RAP RELAY COIL CTRL INTERIOR LAMP RELAY COIL CTRL HORN RELAY CTRL RED/WHT WIRE SECURITY SYSTEM SENSOR SIG SPLICE PACK TAN WIRE TBC FUSE UNDERHOOD FUSE BLOCK WARNING SYTEMS TRANSMISSION SYSTEM WHT WIRE YEL WIRE

2-SPEED PUSH BUTTON CONTROL 2.2L 4.3L ABS FUSE 22 ANTILOCK BRAKE SYSTEM BARE BARE (NEAR TOP RIGHT REAR OF TRANSMISSION) BLK WIRE BLK/WHT WIRE BODY COMPUTER SYSTEM BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CRUISE CONTROL MODULE (ON LEFT SIDE OF FIREWALL) CRUISE FUSE 3 CRUISE STATUS CRUISE STATUS VEHICLE SPEED INPUT DK BLU WIRE DK GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT IN RUN I/P FUSE BLOCK (LEFT END OF DASH) INSTRUMENT CLUSTER SYSTEM LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE M/T A/T MULTIFUNCTION SWITCH OFF OFF ON POWERTRAIN CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) PPL PPL PPL PPL/WHT WIRE R/A SET SW STOPLAMP SWITCH (BRAKE PEDAL SUPPORT BRACKET) UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL) VEHICLE SPEED SENSOR (VSS) (ON REAR OF TRANSMISSION) VSS VSS HIGH VSS LOW WHT 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