Chevrolet Impala VII (1994-1996) dk blu Wiring diagrams

1 21 26 A/C REQUEST A/C ON SIGNAL SWITCH INPUT 1995 VFTC A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR RELAY (IN UNDERHOOD ELECTRICAL CENTERA) BASE BLK WIRE BLK/WHT WIRE BLOWER MOTOR BLOWER RELAY BLOWER RESISTORS (CENTER REAR OF ENGINE COMPARTMENT) BLOWER SWITCH BRN WIRE DEF DEF HTR VENT DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE HEATER, A/C CONTROL ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES HOT IN RUN MAXI FUSE 12 MAXI FUSE 13 SEC FAN FUSE HOT IN RUN HOT IN RUN UNDERHOOD ELECTRICAL CENTER PRI FAN FUSE HTR MAX VENT NORM BI-LV BI-LV HVAC BLO FUSE I/P FUSE BLOCK LT BLU WIRE MAX NORM MAXI FUSE 10 MODE SWITCH NCA WIRE OFF ORG/ WIRE ORG/BLK WIRE POWER STEERING PRESSURE SWITCH (NEAR POWER STEERING UNIT) POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF I/P) PPL RED WIRE RELAY CONTROL RELAY CONTROL RELAY CONTROL SECONDARY COOLANT FAN MOTOR PRIMARY COOLANT FAN MOTOR TAN WIRE UNDERHOOD ELECTRICAL CENTER YEL WIRE

1995 VFTC BASE BLK WIRE BRN WIRE DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES HOT IN RUN PRI FAN FUSE HOT IN RUN SEC FAN FUSE LT BLU WIRE MAXI FUSE 12 MAXI FUSE 13 POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF I/P) PRIMARY COOLANT FAN MOTOR PRIMARY ENGINE COOLANT FAN RELAY (UNDERHOOD ELECTRICAL CENTER) RED WIRE RELAY CONTROL SECONDARY COOLANT FAN MOTOR SECONDARY ENGINE COOLANT FAN RELAY (UNDERHOOD ELECTRICAL CENTER) UNDERHOOD ELECTRICAL CENTER

1995 VFTC 4000 PULSES/MILE BLK/WHT WIRE BRAKE SIG BRN WIRE BRN/WHT WIRE BUICK ONLY CHEVY BUICK CRUISE CONTROL IND CRUISE CONTROL MODULE (FASTENED TO LEFT CRUISE CONTROL RELEASE SWITCH (ON BRAKE PEDAL SUPPORT) CRUISE FUSE 16 CRUISE ON/OFF SIG CRUISE STATUS CRUISE SW DISTANCE TRAVELED INPUT DK BLU WIRE DK GRN WIRE DK GRN/WHT 817 WIRE DK GRN/WHT WIRE FLASHER FRONT WHEEL HOUSE) GROUND GRY WIRE HAZARD LAMP HOT AT ALL TIMES HOT IN RUN, BULB TEST OR I/P FUSE BLOCK I/P INDIC FUSE 11 IGNITION SIGNAL INSTRUMENT CLUSTER MULTIFUNCTION LEVER NCA WIRE OF LEFT CYLINDER HEAD) OFF ORG/ WIRE PNK PNK WIRE PNK WIRE POWER STEERING CONTROL MODULE (LEFT SIDE OF STEERING COLUMN ABOVE CONVENIENCE POWERTRAIN CONTROL MODULE (PCM) PPL R/A RESUME/ACCEL SIG SET SW SET/COAST SIG STOP/HZD FUSE 37 STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT) TURN SIGNAL ALARM VEHICLE SPEED INPUT VEHICLE SPEED SENSOR VSS INPUT VSS INPUT/HI VSS INPUT/LO WHT WIRE YEL WIRE

1074 1073 KEY RES IN KEY RES IN 2140 839 PNK 229 625 728 WIRE BAT IGN ENABLE OUT RLY CNTRL IND CNTRL BLK WIRE BLK/WHT WIRE BULB TEST OFF CHEVY BUICK CRANK FUSE DK BLU WIRE FUEL ENABLE GROUND GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES IGNITION SWITCH HOT IN HOT IN RUN I/P FUSE BLOCK (LEFT SIDE OF I/P) CLUS CHI FUSE IGNITION KEY IGNITION KEY LOCK CYLINDER INSTRUMENT CLUSTER LOCK NCA WIRE ORG/ WIRE PASS-KEY FUSE #14 PASS-KEY FUSE #34 PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL/WHT WIRE RESISTOR PELLET PPL/ RUN WIRE SECURITY INDICATOR STARTER SOLENOID THEFT DETERRENT MODULE (BEHIND LEFT SIDE OF I/P) THEFT DETERRENT RELAY (BEHIND LEFT SIDE OF I/P) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1995 VFTC 2140 839 PNK WIRE BAT IGN ENABLE OUT BLK/WHT WIRE DK BLU WIRE FUEL ENABLE GROUND GROUND SIGNAL HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK (LEFT SIDE OF I/P) ORG/ WIRE PASS-KEY FUSE #14 PASS-KEY FUSE #34 PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) THEFT DETERRENT MODULE (BEHIND LEFT SIDE OF I/P) WHT/BLK WIRE

1995 VFTC 5 VOLTS REF 5 VOLTS REF PNK IGNITION WIRE A/C CLUTCH STATUS A/C COMPRESSOR RELAY A/C REQUEST SIG AIR CONDITIONING SYSTEM AIR PUMP RELAY CTRL BATTERY BATTERY PPL SENSOR GROUND BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COIL CONN B COOLANT FAN RELAYS DIST IGNITION FEED DIST REF LOW SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EGR SOLENOID CTRL ENG OIL LEVEL SENS SIG ENGINE OIL LEVEL SENSOR (LEFT SIDE OF ENGINE OIL PAN) F/P FUSE #2 FUEL ENABLE SIG FUEL INJ FUSE #9 FUEL INJ FUSE #6 FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL INJECTOR 7 FUEL INJECTOR 8 FUEL PUMP RELAY CTRL GROUND GRY WIRE HIGH RES DISTRIBUTOR HIGH RESOLUTION SIG HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START IGN IGNITION CTRL INJ 1 CTRL INJ 2 CTRL INJ 3 CTRL INJ 4 CTRL INJ 5 CTRL INJ 6 CTRL INJ 7 CTRL INJ 8 CTRL INTERFACE CIRCUIT LOW OIL IND CTRL LOW RES LOW RESOLUTION SIG LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MAF SENSOR SIG MASS AIR FLOW SENSOR (BETWEEN AIR CLEANER AND INTAKE RESONATOR) OPTICAL SENSOR ORG/ WIRE ORG/BLK WIRE PCM GROUND PCM/IGN FUSE 5 PIPE) PNK WIRE PNK/BLK WIRE POWER STEERING PRESSURE SWITCH (IN POWER STEERING LINE NEAR POWER UNIT) POWERTRAIN CONTROL MODULE (FORWARD OF LEFT WHEELHOUSE, UNDER AIR CLEANER) PPL PPL VSS GROUND PRI COOL FAN REL CTRL PSP SWITCH IN RED WIRE RED/BLK WIRE REF LOW SEC COOL FAN REL CTRL SENSOR GROUND SPARK PLUGS TAN/WHT WIRE TCC TEMP SWITCH TCC TEMP SWITCH SIG THEFT DETERENT MODULE TRANS 1-2 SHIFT CTRL TRANS 2-3 SHIFT CTRL TRANS 3-2 SHIFT CTRL UNDER- HOOD ELECTRICAL CENTER VEHICLE SPEED SENSOR VSS OUT VSS SIGNAL CONN A WHT WIRE YEL WIRE YEL/BLK WIRE

AIR FUSE #3 ASSEMBLY BLK WIRE BLK/WHT WIRE BRN WIRE CHI BODY FUSE #13 CRUISE CONTROL RELEASE SWITCH (ATTACHED TO BRAKE PEDAL BRACKET) DK BLU WIRE DK GRN/WHT WIRE ECT SENSOR SIG EMI FUSE #4 ENGINE COOLANT TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE) EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE (TOP OF ENGINE BEHIND INJ #4) GRY WIRE HEATED OXYGEN SENSOR 1 (BANK 1, LEFT EXHAUST MANIFOLD) HEATED OXYGEN SENSOR 2 (BANK 2, RIGHT EXHAUST MANIFOLD) HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START IAC COIL "A" LOW IAC COIL "B" LOW IAC COIL A HI IAC COIL B HI IAT SENSOR SIG IDLE AIR CONTROL MOTOR (RIGHT FRONT OF THROTTLE BODY) INTAKE AIR TEMPERATURE SENSOR (AIR CLEANER LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR MAP SENSOR SIG NCA WIRE NEXT TO THERMOSTAT HOUSING) ORG/ WIRE ORG/BLK WIRE PCM GROUND CONN C PNK PPL WIRE PNK TRANS RANGE SIG A WIRE PNK WIRE PNP SIG POWERTRAIN CONTROL MODULE (FORWARD OF LEFT WHEELHOUSE, UNDER AIR CLEANER) PPL PPL BRAKE SWITCH SIG PPL/WHT WIRE RED WIRE RED/BLK WIRE SECONDARY AIR INJECTION (AIR) PUMP (LOWER RIGHT SIDE OF ENGINE BLOCK) SECONDARY AIR INJECTOR (AIR) PUMP RELAY TAN WIRE TAN/WHT WIRE THROTTLE POSITION SENSOR (ATTACHED TO RIGHT SIDE THROTTLE BODY) TP SENSOR SIG TRANS PRESS CTRL SOL HI TRANS RANGE SIG B TRANS RANGE SIG C UNDER- HOOD ELECTRICAL CENTER WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID 1995 VFTC 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID (PWM) A/C CLUTCH CTRL A/C COMPRESSOR RELAY A/C PRESS SENSOR SIG A/C REFRIGERANT PRESSURE SENSOR (IN HI PRESSURE LINE ABOVE RIGHT WHEELHOUSE) BLK WIRE BLK/WHT WIRE BLOCK, BELOW BLOCK, FORWARD BRN WIRE BRN/WHT WIRE CANISTER PURGE CTRL COMPARTMENT) CONN D DATA LINK CONNECTOR DK BLU WIRE DK GRN/WHT WIRE ELECTRONIC CONTROLLED TRANSMISSION ELECTRONIC IGNITION CONTROL MODULE (FRONT OF ENGINE) COIL DRIVER IGN IGN CTRL EXHAUST MANIFOLD) FUEL PUMP PRIMING CONNECTOR (NEAR A/C ACCUMULATOR) FUEL PUMP/ LEVEL SENDER (IN FUEL FUEL PUMP/ OIL PRESSURE SWITCH (TOP OF ENGINE AT REAR) GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE #2 I/P INDC FUSE #11 IGNITION COIL (FRONT OF ENGINE) INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM KNOCK SENSOR SIG LEFT KNOCK SENSOR LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR MIL CTRL OF STARTER) ORG/ WIRE ORG/BLK WIRE OUTPUT/FIELD SERV ENBL PCM GROUND PCM/IGN FUSE 5 PNK CHANGE OIL IND CTRL WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (FORWARD OF LEFT WHEELHOUSE, UNDER AIR CLEANER) PPL PRESSURE CONTROL SOLENOID RED WIRE RED/BLK WIRE RIGHT KNOCK SENSOR SERIAL DATA SW A SW B SW C TAN WIRE TAN/BLK WIRE TANK) TCC CONTROL SOLENOID TCC SOLENOID TRANS FLUID TEMP SENSOR TRANS FLUID TEMP SIG TRANS PRESS CTRL LOW PNK IGNITION WIRE TRANS TCC CTRL UNDER- HOOD ELECTRICAL CENTER WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

1995 VFTC 5 VOLTS REF 5 VOLTS REF PNK IGNITION WIRE A/C CLUTCH STATUS A/C COMPRESSOR RELAY A/C REQUEST SIG AIR CONDITIONING SYSTEM AIR PUMP RELAY CTRL BATTERY BATTERY PPL SENSOR GROUND BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COIL CONN B COOLANT FAN RELAYS DIST IGNITION FEED DIST REF LOW SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EGR SOLENOID CTRL ENG OIL LEVEL SENS SIG ENGINE OIL LEVEL SENSOR (LEFT SIDE OF ENGINE OIL PAN) F/P FUSE #2 FUEL ENABLE SIG FUEL INJ FUSE #9 FUEL INJ FUSE #6 FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL INJECTOR 7 FUEL INJECTOR 8 FUEL PUMP RELAY CTRL GROUND GRY WIRE HIGH RES DISTRIBUTOR HIGH RESOLUTION SIG HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START IGN IGNITION CTRL INJ 1 CTRL INJ 2 CTRL INJ 3 CTRL INJ 4 CTRL INJ 5 CTRL INJ 6 CTRL INJ 7 CTRL INJ 8 CTRL INTERFACE CIRCUIT LOW OIL IND CTRL LOW RES LOW RESOLUTION SIG LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MAF SENSOR SIG MASS AIR FLOW SENSOR (BETWEEN AIR CLEANER AND INTAKE RESONATOR) OPTICAL SENSOR ORG/ WIRE ORG/BLK WIRE PCM GROUND PCM/IGN FUSE 5 PIPE) PNK WIRE PNK/BLK WIRE POWER STEERING PRESSURE SWITCH (IN POWER STEERING LINE NEAR POWER UNIT) POWERTRAIN CONTROL MODULE (FORWARD OF LEFT WHEELHOUSE, UNDER AIR CLEANER) PPL PPL VSS GROUND PRI COOL FAN REL CTRL PSP SWITCH IN RED WIRE RED/BLK WIRE REF LOW SEC COOL FAN REL CTRL SENSOR GROUND SPARK PLUGS TAN/WHT WIRE TCC TEMP SWITCH TCC TEMP SWITCH SIG THEFT DETERENT MODULE TRANS 1-2 SHIFT CTRL TRANS 2-3 SHIFT CTRL TRANS 3-2 SHIFT CTRL UNDER- HOOD ELECTRICAL CENTER VEHICLE SPEED SENSOR VSS OUT VSS SIGNAL CONN A WHT WIRE YEL WIRE YEL/BLK WIRE

AIR FUSE #3 ASSEMBLY BLK WIRE BLK/WHT WIRE BRN WIRE CHI BODY FUSE #13 CRUISE CONTROL RELEASE SWITCH (ATTACHED TO BRAKE PEDAL BRACKET) DK BLU WIRE DK GRN/WHT WIRE ECT SENSOR SIG EMI FUSE #4 ENGINE COOLANT TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE) EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE (TOP OF ENGINE BEHIND INJ #4) GRY WIRE HEATED OXYGEN SENSOR 1 (BANK 1, LEFT EXHAUST MANIFOLD) HEATED OXYGEN SENSOR 2 (BANK 2, RIGHT EXHAUST MANIFOLD) HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START IAC COIL "A" LOW IAC COIL "B" LOW IAC COIL A HI IAC COIL B HI IAT SENSOR SIG IDLE AIR CONTROL MOTOR (RIGHT FRONT OF THROTTLE BODY) INTAKE AIR TEMPERATURE SENSOR (AIR CLEANER LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR MAP SENSOR SIG NCA WIRE NEXT TO THERMOSTAT HOUSING) ORG/ WIRE ORG/BLK WIRE PCM GROUND CONN C PNK PPL WIRE PNK TRANS RANGE SIG A WIRE PNK WIRE PNP SIG POWERTRAIN CONTROL MODULE (FORWARD OF LEFT WHEELHOUSE, UNDER AIR CLEANER) PPL PPL BRAKE SWITCH SIG PPL/WHT WIRE RED WIRE RED/BLK WIRE SECONDARY AIR INJECTION (AIR) PUMP (LOWER RIGHT SIDE OF ENGINE BLOCK) SECONDARY AIR INJECTOR (AIR) PUMP RELAY TAN WIRE TAN/WHT WIRE THROTTLE POSITION SENSOR (ATTACHED TO RIGHT SIDE THROTTLE BODY) TP SENSOR SIG TRANS PRESS CTRL SOL HI TRANS RANGE SIG B TRANS RANGE SIG C UNDER- HOOD ELECTRICAL CENTER WHT WIRE YEL WIRE YEL/BLK WIRE