GMC Sonoma II (1994-2004) gry Wiring diagrams

34 55 5 VOLT REFERENCE A/C COMP RLY CTRL 36 49 52 A/C REQUEST SIGNAL A/C PRESSURE SIGNAL SENSOR GROUND A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR CLUTCH RELAY A/C FUSE A/C REFRIGERANT PRESSURE SENSOR (ON A/C EVAPORATOR TUBE) AND SECONDARY AIR INJECTION REACTOR PUMP) BLK WIRE BRN WIRE DEFROST BLEND OFF MAX A/C DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HEAT A/C BI-LEVEL A/C VENT HEATER, A/C CONTROLLER HOT AT ALL TIMES HOT IN RUN HOT IN RUN, START HVAC FUSE 9 I/P FUSE BLOCK (ON LEFT END OF DASH) IGN E FUSE LT BLU WIRE NCA WIRE POWERTRAIN CONTROL MODULE (PCM) (ON RIGHT FRONT OF ENGINE COMPARTMENT) RED/BLK WIRE UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL)

0.26 OHMS 2.10 OHMS 8 CM FROM BREAKOUT TO RADIO) A/C A/C COMP RELAY CTRL A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR CLUTCH RELAY A/C FUSE A/C PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR (ON A/C EVAPORATOR TUBE) A/C REQUEST SIGNAL AIR TEMPERATURE ACTUATOR (ON TOP RIGHT SIDE OF HEATER) BLEND BLK WIRE BLOWER MOTOR (ON RIGHT REAR OF ENGINE COMPARTMENT) BLOWER MOTOR RELAY (ON CENTER REAR OF ENGINE COMPARTMENT) BLOWER SWITCH BRN WIRE DEF DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HEAT BI-LEVEL A/C VENT HEATER, A/C CONTROLLER HOT AT ALL TIMES HOT IN PARK, HEAD HOT IN RUN HOT IN RUN, START HVAC 1 FUSE 21 HVAC FUSE 9 I/P FUSE BLOCK (ON LEFT END OF DASH) IGN E FUSE ILLUM ILLUM FUSE 12 LOW HIGH MED 1 MED 2 LT BLU WIRE MODE DOOR SWITCH NCA WIRE OFF DEF MAX A/C BLEND NORM HEAT BI-LEVEL VENT OFF MAX A/C ORG/ WIRE POWER MIRRORS SYSTEM (AUTOMATIC DAY/NIGHT MIRROR) POWERTRAIN CONTROL MODULE (PCM) (ON RIGHT FRONT OF ENGINE COMPARTMENT) PPL RED/BLK WIRE SECONDARY AIR INJECTION REACTOR PUMP SENSOR GND SERVO AMPLIFIER TAN WIRE TEMP CONTROL UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL) UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL) HVAC FUSE

34 55 5 VOLT REFERENCE A/C COMP RLY CTRL 36 49 52 A/C REQUEST SIGNAL A/C PRESSURE SIGNAL SENSOR GROUND A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR CLUTCH RELAY A/C FUSE A/C REFRIGERANT PRESSURE SENSOR (ON A/C EVAPORATOR TUBE) AND SECONDARY AIR INJECTION REACTOR PUMP) BLK WIRE BRN WIRE DEFROST BLEND OFF MAX A/C DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HEAT A/C BI-LEVEL A/C VENT HEATER, A/C CONTROLLER HOT AT ALL TIMES HOT IN RUN HOT IN RUN, START HVAC FUSE 9 I/P FUSE BLOCK (ON LEFT END OF DASH) IGN E FUSE LT BLU WIRE NCA WIRE POWERTRAIN CONTROL MODULE (PCM) (ON RIGHT FRONT OF ENGINE COMPARTMENT) RED/BLK WIRE UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL)

0.26 OHMS 2.10 OHMS 8 CM FROM BREAKOUT TO RADIO) A/C A/C COMP RELAY CTRL A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR CLUTCH RELAY A/C FUSE A/C PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR (ON A/C EVAPORATOR TUBE) A/C REQUEST SIGNAL AIR TEMPERATURE ACTUATOR (ON TOP RIGHT SIDE OF HEATER) BLEND BLK WIRE BLOWER MOTOR (ON RIGHT REAR OF ENGINE COMPARTMENT) BLOWER MOTOR RELAY (ON CENTER REAR OF ENGINE COMPARTMENT) BLOWER SWITCH BRN WIRE DEF DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HEAT BI-LEVEL A/C VENT HEATER, A/C CONTROLLER HOT AT ALL TIMES HOT IN PARK, HEAD HOT IN RUN HOT IN RUN, START HVAC 1 FUSE 21 HVAC FUSE 9 I/P FUSE BLOCK (ON LEFT END OF DASH) IGN E FUSE ILLUM ILLUM FUSE 12 LOW HIGH MED 1 MED 2 LT BLU WIRE MODE DOOR SWITCH NCA WIRE OFF DEF MAX A/C BLEND NORM HEAT BI-LEVEL VENT OFF MAX A/C ORG/ WIRE POWER MIRRORS SYSTEM (AUTOMATIC DAY/NIGHT MIRROR) POWERTRAIN CONTROL MODULE (PCM) (ON RIGHT FRONT OF ENGINE COMPARTMENT) PPL RED/BLK WIRE SECONDARY AIR INJECTION REACTOR PUMP SENSOR GND SERVO AMPLIFIER TAN WIRE TEMP CONTROL UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL) UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL) HVAC FUSE

0.26 OHMS 0.71 OHMS 2.10 OHMS 8 CM FROM BREAKOUT TO RADIO) A/C A/C COMP RLY CTRL A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR CLUTCH RELAY A/C COMPRESSOR HIGH PRESSURE SWITCH (ON REAR OF A/C COMPRESSOR) A/C CYCLING SW SIGNAL A/C FUSE A/C LOW PRESSURE SWITCH (AT A/C ACCUMULATOR) A/C REQUEST SIGNAL AIR TEMPERATURE ACTUATOR (ON TOP RIGHT SIDE OF HEATER) BLEND BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BLOWER MOTOR (ON RIGHT REAR OF ENGINE COMPARTMENT) BLOWER MOTOR RELAY (ON CENTER REAR OF ENGINE COMPARTMENT) BLOWER MOTOR RESISTOR (ON RIGHT REAR OF ENGINE COMPARTMENT, ON BLOWER MODULE) BLOWER SWITCH BRN WIRE DEF DK BLU WIRE DK GRN WIRE DK GRN/ WHT WIRE DK GRN/WHT WIRE GRY WIRE HEAT BI-LEVEL A/C VENT HEATER, A/C CONTROLLER HOT AT ALL TIMES HOT IN PARK, HEAD HOT IN RUN HOT IN RUN, START HVAC 1 FUSE 21 HVAC FUSE HVAC FUSE 9 I/P FUSE BLOCK (ON LEFT END OF DASH) IGN E FUSE ILLUM ILLUM FUSE 12 LOW HIGH MED 1 MED 2 LT BLU WIRE MODE DOOR SWITCH NCA WIRE OFF DEF MAX A/C BLEND NORM HEAT BI-LEVEL VENT OFF MAX A/C ORG/ WIRE PICKUP UTILITY POWER MIRRORS SYSTEM (AUTOMATIC DAY/NIGHT MIRROR) POWERTRAIN CONTROL MODULE (PCM) (ON RIGHT FRONT OF ENGINE COMPARTMENT) PPL SECONDARY AIR INJECTION REACTOR PUMP SERVO AMPLIFIER TAN WIRE TEMP CONTROL UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL)

2.2L 4.3L ABS FUSE ANTI-LOCK INDICATOR AXLE SWITCH SIG VSS LF WHL SPD SENS SIG RF WHL SPD SENS REF AXLE SWITCH SIGNAL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER DASH, ON HEATER CASE) BRAKE FLUID LEVEL SWITCH (ON MASTER CYLINDER) BRAKE FLUID LVL SIG BRAKE WARNING INDICATOR BRN WIRE CLASS 2 COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT FRONT INNER FENDER) FRONT AXLE INDICATOR SWITCH (ON FRONT AXLE, RIGHT OF DIFFERENTIAL) GROUND BATTERY GRY WIRE HOT AT ALL TIMES HOT IN RUN ABS FUSE 22 I/P FUSE BLOCK (ON LEFT END OF DASH) IGNITION 3 LF WHL SPD SENS REF RF WHL SPD SENS SIG INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (PCM) (ON RIGHT FRONT OF ENGINE COMPT) PPL PUMP MOTOR RDO BATT FUSE 19 RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SPLICE PACK STOPLIGHT SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TAN WIRE TCC BRAKE SWITCH SIG SERIAL DATA UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT FENDER) VEHICLE SPEED SIGNAL W/ ELECTRIC SHIFT CONTROL (2 SPEED) WIPER/ WASHER SYSTEM YEL WIRE YEL/BLK WIRE

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 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

0.26 OHMS 0.71 OHMS 2.10 OHMS 8 CM FROM BREAKOUT TO RADIO) AIR TEMPERATURE ACTUATOR (ON TOP RIGHT SIDE OF HEATER) BI-LEVEL BI-LEVEL BLEND HEAT VENT BLEND VENT HEAT BLK WIRE BLOWER MOTOR (ON RIGHT REAR OF ENGINE COMPARTMENT) BLOWER MOTOR RELAY (ON CENTER REAR OF ENGINE COMPARTMENT) BLOWER MOTOR RESISTOR (ON RIGHT REAR OF ENGINE COMPARTMENT, ON BLOWER MODULE) BLOWER SWITCH BRN WIRE DEFROST DEFROST OFF DK BLU WIRE GRY WIRE HEATER CONTROLLER HOT AT ALL TIMES HOT IN PARK, HEAD HOT IN RUN HVAC 1 FUSE 21 HVAC FUSE HVAC FUSE 9 I/P FUSE BLOCK (ON LEFT END OF DASH) ILLUM ILLUM FUSE 12 LOW MED 1 MED 2 LT BLU WIRE MODE DOOR SWITCH OFF ORG/ WIRE PPL SERVO AMPLIFIER TAN WIRE TEMP CONTROL UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL)

0.26 OHMS 0.71 OHMS 2.10 OHMS 8 CM FROM BREAKOUT TO RADIO) AIR TEMPERATURE ACTUATOR (ON TOP RIGHT SIDE OF HEATER) BI-LEVEL BI-LEVEL BLEND HEAT VENT BLEND VENT HEAT BLK WIRE BLOWER MOTOR (ON RIGHT REAR OF ENGINE COMPARTMENT) BLOWER MOTOR RELAY (ON CENTER REAR OF ENGINE COMPARTMENT) BLOWER MOTOR RESISTOR (ON RIGHT REAR OF ENGINE COMPARTMENT, ON BLOWER MODULE) BLOWER SWITCH BRN WIRE DEFROST DEFROST OFF DK BLU WIRE GRY WIRE HEATER CONTROLLER HOT AT ALL TIMES HOT IN PARK, HEAD HOT IN RUN HVAC 1 FUSE 21 HVAC FUSE HVAC FUSE 9 I/P FUSE BLOCK (ON LEFT END OF DASH) ILLUM ILLUM FUSE 12 LOW MED 1 MED 2 LT BLU WIRE MODE DOOR SWITCH OFF ORG/ WIRE PPL SERVO AMPLIFIER TAN WIRE TEMP CONTROL UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL)