GMC Sonoma II (1994-2004) lt grn/blk 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

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

14 15 16 PPL 20 21 PNK WIRE 6 7 PNK WIRE 8 9 PNK WIRE A/C PRES ABS FUSE 22 ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM PPL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BRN WIRE BRN/WHT WIRE CLSTR FUSE 11 DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM I FUSE ECM-B FUSE ECT SENSOR FUEL LEVEL IN PPL FUEL PUMP FUEL PUMP RELAY FUEL PUMP/ SENDER FUEL PUMP/ SENDER (TOP OF FUEL TANK) FUEL TANK PRES CMP SENS CKP REF FUEL TANK PRES TFT SENSOR GENERATOR ANTI-LOCK BRAKES SYSTEM GRY WIRE HOT AT ALL TIMES HOT IN OFF, RUN OR START HOT IN RUN I/P FUSE BLOCK HOT IN RUN OR START IGN CTRL 2-3 IGN CTRL 1-4 KNOCK SENSOR (LOWER RIGHT SIDE OF ENG) KS SIGNAL LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION, BACK-UP LAMP SWITCH (LEFT SIDE OF TRANSMISSION) PCM GND IGN BATTERY TP SENSOR PNK WIRE PNK 12 13 WIRE PNK WIRE POWERTRAIN CONTROL MODULE (RIGHT FRONT OF ENGINE COMPARTMENT) PPL PPL PPL CRUISE CONTROL SYSTEM PPL TCC/CLUTCH SW A/C REQ SIG PPL/WHT WIRE RED WIRE RED/BLK WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY) TP SENSOR CLASS 2 SERIAL DATA II PCM GROUND IGN IN MAP SENSOR VSS HIGH TX RANGE C PRNDL "A" UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 PPL 1-2 SHIFT SOLENOID VALVE 14 15 16 PPL 2-3 COIL CTRL 2-3 SHIFT SOLENOID VALVE 20 21 PNK WIRE 3-2 SHIFT SOLENOID VALVE 6 7 PNK WIRE 8 9 PNK WIRE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CKP SIG IGN CTRL A IGN CTRL B REF SIG CKP GND REF LOW COIL POS 1-4 COIL CTRL CRANKSHAFT POSITION SENSOR (BELOW IGNITION COIL) DK BLU WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (FRONT OF ENGINE) FUEL COMPOSITION SENSOR (TOP RIGHT OF TRANSMISSION) FUEL INJECTORS GRY WIRE IGN GND IGNITION CONTROL MODULE (RIGHT REAR OF ENG) LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE OXYGEN SENSOR (BANK 1 SENSOR 1) (IN EXHAUST MANIFOLD) PNK 12 13 WIRE PNK 239 451 WIRE PNK WIRE PNK/BLK WIRE POSITION SIGNAL PPL PPL 12 13 PPL 574 423 406 430 573 453 PPL PNK REF SIG CTRL IGN FUEL COMP TEMP SIG WIRE PPL/WHT WIRE PRESSURE CONTROL SOLENOID VALVE RED WIRE RED/BLK WIRE SHIELD TAN WIRE TAN/BLK WIRE TO SPARK PLUGS TORQUE CONVERTER CLUTCH PWM SOLENOID VALVE TORQUE CONVERTER CLUTCH SOLENOID VALVE TRANSMISSION FLUID TEMPERATURE SENSOR TWISTED WIRE PAIR VEHICLE SPEED SENSOR (REAR OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 PPL 121 719 PPL 472 413 412 1669 1668 IAT SENS SIG 718 720 407 ECT SENS IAT SENS TFT SENSOR 817 389 VSS OUT VSS OUT A/C CLUTCH RLY EVAP CANP TCC PWM SOL EVAP CAN VNT AIR CONDITIONING SYSTEM AIR PUMP RELAY AIR RELAY AIR SOL FUSE AIR FUSE BATTERY FUSE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLASS 2 DATA CMP SENS B+ CRUISE CONTROL SYSTEM CRUISE DISABLE/ FUEL LEVEL PPL CRUISE ENGAGED DK GRN WIRE DK GRN/WHT WIRE ENG-I FUSE F PUMP RLY PC SOL TACH SIGNAL REF SIG FUSE HOLDER GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START ICM REF LO IDLE AIR CONTROL VALVE (ON THROTTLE BODY ASSEMBLY) INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM SOUND SYSTEMS INTAKE AIR TEMPERATURE SENSOR (IN FRESH AIR INTAKE DUCT) LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAP SENSOR MIL CTRL MIL INPUT OXYGEN FUSE ENG-I FUSE PC SOL VLV CTRL PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (RIGHT FRONT OF ENGINE COMPARTMENT) PPL PPL 12 13 PPL/WHT WIRE RED WIRE RED/BLK WIRE SECONDARY AIR INJECTION REACTOR FUSE BLOCK (RIGHT FRONT FENDER) SECONDARY AIR INJECTION REACTOR PUMP (LOWER RIGHT FRONT OF ENG COMPT) SHFT IND/TCC 2-3 SS VALVE 3-2 SS VALVE 1-2 SS VALVE TACH SIGNAL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDER- HOOD FUSE BLOCK VSS LOW CMP SENS GND PCM GND WHT WIRE YEL/BLK WIRE

3-2 SOL LOW REF 5 V REF 5 V REF 5 V REF ABS FUSE 22 BATTERY CLASS 2 DATA CLASS 2 DATA LOW REF LOW REF BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CKP SIG CLSTR FUSE 11 CLUTCH PEDAL POSITION SWITCH (ON CLUTCH PEDAL SUPPORT BRACKET) CRANKSHAFT POSITION SENSOR (FRONT OF ENGINE NEAR CRANKSHAFT PULLEY) DK BLU WIRE DK GRN WIRE GRN WIRE GROUND GRY WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) (IN EXHAUST, AFTER CATALYTIC CONVERTER) HOT IN OFF, RUN OR START HOT IN RUN I/P FUSE BLOCK INJ 4 CTRL INJ 5 KNOCK SENSOR (TOP REAR OF ENGINE) KS SIG LOW REF LOW REF LOW REF LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT PPL NCA WIRE ORG/ WIRE P/N PARK/NEUTRAL POSITION, BACK-UP LAMP SWITCH (LEFT SIDE OF TRANSMISSION) PNK 7 8 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) PPL PPL PNK WIRE PPL/WHT WIRE RED WIRE STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TAN WIRE TRANS SIG A TCC SW TRANS SW P CPP SW INJ 1 INJ 3 PPL TRANS SW B CMP SENS ECT SENS OFF/CRK/RUN INJ 2 INJ 6 TRANS SW B TRANS SW C IGN 1 BATTERY LOW REF WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 2-3 SHIFT SOL AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CENTRAL SEQUENTIAL FUEL INJECTION DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM I FUSE ENG-I FUSE EVAPORATIVE EMISSION CANISTER PURGE SOLENOID (TOP RIGHT CENTER OF ENGINE) EVAPORATIVE EMISSION CANISTER VENT SOLENOID (REAR OF FUEL TANK) FUEL INJ 1 FUEL INJ 4 FUEL INJ 2 FUEL INJ 5 FUEL INJ 3 FUEL INJ 6 GRY WIRE HOT IN RUN OR START LO SW LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/ WIRE OXYGEN FUSE PNK 25 26 27 28 WIRE PNK 7 8 WIRE PNK PNK PNK 1 2 3 4 5 6 WIRE PNK WIRE PNK/BLK WIRE PPL LT 3-2 CONTROL SOL PRESSURE CONTROL SOLENOID VALVE RED WIRE RED/BLK WIRE REV SW AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH TAN WIRE TAN/BLK WIRE TCC PWM SOL TCC SOL TRANSMISSION FLUID TEMPERATURE SENSOR UNDER- HOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

12 V REF GROUND 225 1694 TRANSMISSION SYSTEM A/C SYSTEM ANTI-LOCK BRAKE SYSTEM AXLE SW VSS LOW VSS HI BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM CRUISE ENG DISTRIBUTOR (TOP REAR OF ENGINE) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC IGNITION CONTROL MODULE (TOP RIGHT SIDE OF ENGINE) EVAP PURGE EVAP VENT MIL 2-3 SHIFT 1-2 SHIFT VSS VSS TFT SENSOR GEN F GEN T/O AXLE SW A/C REQ GRY WIRE GRY/BLK WIRE HIGH VOLTAGE COIL WIRE IAC B HI IAC B LO IAC A LO IAC A HI IDLE AIR CONTROL VALVE (ON THROTTLE BODY ASSEMBLY) IGNITION COIL (RIGHT SIDE OF ENGINE) LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAF SIG MAP SIG NCA WIRE PC SOL PC SOL FUEL PMP RLY ENGINE SPD PNK IGNITION FEED IGN TIMING SIG. TACH. SIG. GROUND WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (RIGHT FRONT OF ENG COMPT) PPL PPL FUEL LEV A/C LOW PPL/WHT WIRE RED WIRE RED/BLK WIRE SPARK PLUGS STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TCC SOL A/C CLU TP SENS IAT SENS IC TIMING TRANS SIG C TRANS SIG A TANK PRES PNK WIRE TRANSMISSION SYSTEM VEHICLE SPEED SENSOR (REAR OF TRANSMISSION) WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE