Chevrolet Impala VIII (1999-2006) a/c cmpr relay Wiring diagrams

39 27 34 COMP CONTROL A/C PRESS SIGNAL 80 59 LOW REFERENCE SERIAL DATA A/C CMPR RELAY A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH DIODE (LOWER LEFT SIDE OF ENGINE, AT A/C COMPRESSOR) A/C REFRIGERANT PRESSURE SENSOR (ON LEFT SIDE OF ENGINE COMPT, ON LIQUID LINE) A/C RLY (CMPR) FUSE A/C RLY (COIL) FUSE BLK WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN NCA WIRE ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (IN AIR CLEANER BOX) RED/BLK WIRE UNDERHOOD JUNCTION BLOCK (BOTTOM) (ON FRONT OF RIGHT STRUT TOWER) UNDERHOOD JUNCTION BLOCK (TOP) (ON FRONT OF RIGHT STRUT TOWER)

39 26 27 34 COMP CONTROL ECT SIGNAL A/C PRESS SIGNAL 59 5 6 13 80 CLASS 2 SERIAL HIGH SPEED LOW SPEED ECT GROUND LOW REFERENCE A/C CMPR RELAY A/C COMPRESSOR CLUTCH A/C REFRIGERANT PRESSURE SENSOR (ON LEFT SIDE OF ENGINE COMPT, ON LIQUID LINE) A/C REQUEST IND A/C REQUEST SIG A/C REQUEST SWITCH A/C RLY (CMPR) FUSE A/C RLY (COIL) FUSE BATTERY POSITIVE BLK WIRE BLK/WHT WIRE BLOWER MOTOR BLOWER MOTOR (ON RIGHT BOTTOM OF HEATER-A/C ASSEMBLY) BLOWER MOTOR CONTROL PROCESSOR (LOWER RIGHT SIDE OF DASH) BODY CONTROL MODULE (BEHIND LEFT SIDE OF DASH, ABOVE PARKING BRAKE LEVER) BREAKOUT) BREAKOUT) (3.8L (VIN K): LEFT REAR OF ENGINE, 6.5 CM FROM EGR VALVE BREAKOUT) BRN WIRE COMPUTER DATA LINES SYSTEM D TEMP CONTROL SWITCH DEFOG SWITCH DEFOGGER SYSTEM COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DR CTRL A DR CTRL B DR CTRL A DR CTRL B DOOR CTRL A DOOR CTRL B ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE FAN CONT 1 FUSE FAN CONT 1 RELAY FAN CONT 2 RELAY FAN CONT 2, 3 FUSE FAN CONT 3 RELAY GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON HVAC BLOWER FUSE HVAC CLASS 2 SERIAL DATA HVAC CLASS 2 SERIAL DATA BATTERY ILLUM LEFT AIR TEMPERATURE ACTUATOR (ON LEFT SIDE OF HEATER- A/C ASSEMBLY) LEFT COOLING FAN (FRONT OF ENGINE COMPT) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MODE ACTUATOR (LOWER RIGHT SIDE OF DASH) MODE SWITCH NCA WIRE ORG/ WIRE ORG/BLK WIRE OUT SIDE AIR IND OUT SIDE AIR SWITCH P TEMP CONTROL SWITCH PNK IGN 3 VOLT GROUND WIRE PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL REAR DEFOG RLY CTRL RECIRCULATION ACTUATOR RECIRCULATION IND RECIRCULATION SWITCH RED WIRE RED/BLK WIRE RIGHT AIR TEMPERATURE ACTUATOR (ON RIGHT SIDE OF HEATER- A/C ASSEMBLY) RIGHT COOLING FAN (FRONT OF ENGINE COMPT) S121 (3.4L (VIN E)) (FUEL INJECTOR JUMPER SPEED CTRL SPEED CTRL DOOR CTRL POSITION SIG STARTER SUPPLY VOLTAGE TAN WIRE UNDERHOOD JUNCTION BLOCK (TOP) (ON FRONT OF RIGHT STRUT TOWER) VOLTAGE WHT WIRE WHT/BLK WIRE YEL WIRE

1-2 SHIFT SOLENOID (1-2 SS) VALVE 2-3 SHIFT SOLENOID (2-3 SS) VALVE 3.4L 3.4L 3.8L 3.8L 3.4L A/C CMPR RELAY A/C RLY (COIL) FUSE AUTOMATIC TRANSAXLE BLK WIRE BODY CONTROL MODULE (BCM) DATA LINK CONNECTOR (DLC) DFI MDL FUSE DK GRN WIRE DR LK FUSE PWR MIR FUSE CLSTR/ BCM FUSE DRIVER HEATED SEAT RELAY (W/ HEATED SEAT) DRIVER SEAT DRIVER WINDOW SWITCH SUNROOF MODULE ENG DEVICES FUSE EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID FAN CONT 1 FUSE FAN CONT 1 RELAY FAN CONT 2, 3 FUSE FAN CONT 2 RELAY FAN CONT 3 RELAY FROM COOLING FANS FUSE (DIAGRAM 1 OF 5) FROM IGN RLY RELAY (DIAGRAM 1 OF 5) FROM LEFT I/P FUSE (DIAGRAM 1 OF 5) FRONT PASSENGER WINDOW SWITCH FUEL INJ FUSE FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 HEAD- LAMP RELAY HEATED OXYGEN SENSOR IGNITION CONTROL MODULE (ICM) INSTRUMENT PANEL CLUSTER (IPC) BODY CONTROL MODULE (BCM) LEFT I/P JUNCTION BLOCK (LEFT SIDE OF DASH, BEHIND ACCESS LH HTD ST/BCM FUSE MASS AIR FLOW (MAF SENSOR) MONTE CARLO NCA WIRE ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH BODY CONTROL MODULE (BCM) OXY SEN FUSE PANEL) PNK PNK FUEL INJECTOR 1 BREAKOUT, FUEL INJECTOR 2 BREAKOUT) WIRE PNK PNK WIRE PNK WIRE RED WIRE RETAINED ACCSRY POWER RELAY RETAINED ACCSRY PWR BRKR CIRCUIT BREAKER RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) SENSOR 1 SENSOR 2 TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE TRANS SOL FUSE UNDERHOOD JUNCTION BLOCK (BOTTOM) (ON FRONT OF RIGHT STRUT TOWER) W/O SEO YEL WIRE

A/C CMPR RELAY A/C RLY (CMPR) FUSE AUX PWR FUSE AUXILIARY POWER OUTLET (W/O CONSOLE) AUXILIARY POWER OUTPUT (W/ CONSOLE) BLK WIRE BRK SW FUSE C/LTR FUSE CIGAR LIGHTER (W/ CONSOLE) CIGAR LIGHTER (W/O CONSOLE) DRL/EXT LTS FUSE EMERGENCY VEHICLE HEADLAMPS FLASHER EMERGENCY VEHICLE REAR LAMPS FLASHER EXT LTS FUSE F/PMP RLY FUSE FOG LTS RELAY FOG RLY FUSE FROM CIG/AUX FUSE (DIAGRAM 2 OF 5) FROM PWR DROP FUSE (DIAGRAM 4 OF 5) FROM RIGHT I/P 2 FUSE (DIAGRAM 1 OF 5) FROM U/HOOD 1 FUSE (DIAGRAM 1 OF 5) FUEL PUMP RELAY DRL RLY RELAY HAZ SW FUSE HAZARD SWITCH HORN RLY FUSE HORNS RELAY LEFT HEADLAMP LEFT SPOT LAMP (W/ SEO) NCA WIRE NOT USED NOT USED ORG/ WIRE PCM FUSE POWERTRAIN CONTROL MODULE (PCM) RIGHT HEADLAMP RED WIRE RIGHT I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) RIGHT SPOT LAMP (W/ SEO) SPOT LAMP-L FUSE STOP LAMP SWITCH UNDERHOOD JUNCTION BLOCK (BOTTOM) (ON FRONT OF RIGHT STRUT TOWER) GENERATOR UNDERHOOD JUNCTION BLOCK (TOP) (ON FRONT OF RIGHT SPOT LAMP-R FUSE STRUT TOWER) W/ FRONT FOG LAMPS W/ HEADLAMP FLASHERS W/ HEADLAMP FLASHERS W/O HEADLAMP FLASHERS W/ SEO W/O HEADLAMP FLASHERS W/O SEO WHT WIRE YEL WIRE