Chevrolet Impala VII (1994-1996) hot in run or start Wiring diagrams

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID 3-2 DOWNSHIFT SOL AUTOMATIC TRANSMISSION BACKUP LAMP, TRANSMISSION POSITION SENSOR SWITCH (BASE OF GEAR SELECTOR LEVER) BATTERY IN BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CHI BODY FUSE CONN B CRUISE CONTROL RELEASE SWITCH (ON BRAKE PEDAL BRACKET) DATA LINK CONNECTOR (LEFT SIDE OF DASH) DK BLU WIRE ECT SENS INPUT PNK RANGE SIGNAL "A" WIRE ENGINE COOLANT TEMP SENSOR (FRONT OF ENGINE, ON WATER PUMP) F/P FUSE FIELD SERVICE REQUEST GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK I/P INDC FUSE IGNITION IN INSTRUMENT CLUSTER LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL IN PCM GROUND PCM GROUND CONN C PCM GROUND PPL VSS LO PCM/IGN FUSE PCS HI PCS LO PNK IGNITION IN WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (ENGINE COMPT, REARWARD OF RIGHT SHOCK TOWER) PPL PPL BRAKE SWITCH INPUT PRESS CTRL SOLENOID RANGE SIGNAL "B" RANGE SIGNAL "C" RED WIRE RED/BLK WIRE SENSOR RETURN SERIAL DATA CONN D TAN WIRE TAN/BLK WIRE TCC PWM SOL TCC PWM SOLENOID TCC SOL TCC SOLENOID THROTTLE POSITION SENSOR (MOUNTED TO SIDE OF THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS RANGE PRESS SW ASSY TRANS TEMP SIG IN UNDERHOOD ELECTRICAL CENTER VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS HI CONN A WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1995 VFTC BATTERY BLK WIRE BRN WIRE DC SENSE TURN ON INPUT AC SENSE FIELD (ROTOR) GENERATOR (RIGHT SIDE OF ENGINE, FORWARD OF RIGHT VALVE COVER) TURN ON INPUT HOT IN RUN OR START HOT IN RUN SEC FAN FUSE 8 I/P FUSE BLOCK I/P INDC FUSE #11 INSTRUMENT CLUSTER PNK WIRE POWER DISTRIBUTION RECTIFIER BRIDGE REGULATOR (SOLID STATE) STARTER SOLENOID STATOR UNDERHOOD ELECTRICAL CENTER VOLTS IND. CHECK GAGE IND. *BUICK **CHEVY

358 39 PNK WIRE 4 5 6 7 PNK WIRE 728 1439 PNK WIRE ABS INDICATOR ACCY ACCY (SEDAN) BULB TEST (LEFT REAR WHEELHOUSE, IN LUGGAGE LOCK LOCK OFF OFF AIR BAG INDICATOR ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BRAKE INDICATOR BRAKE PRESSURE SWITCH (MOUNTED ON MASTER CYLINDER) BRN WIRE BRN/WHT WIRE BULB TEST CHANGE OIL INDICATOR CHECK GAUGE INDICATOR COMPT) COOLANT TEMPERATURE GAUGE DIM ENG/MET TRIP RESET VSS GND DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN INDICATOR (SEO ONLY) ENGINE COOLANT TEMPERATURE GAUGE SENSOR (FORWARD LEFT SIDE OF ENGINE) FASTEN BELTS INDICATOR FUEL GAGE FUEL PUMP SWITCH/ ENGINE OIL PRESSURE GUAGE SENSOR (CENTER REAR OF ENGINE) FUEL PUMP/ SENDER (MOUNTED IN FUEL TANK) GATE AJAR INDICATOR GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES CLUS CHI FUSE 33 HOT IN RUN A/C DRL FUSE 20 HOT IN RUN OR START I/P FUSE BLOCK I/P INDC FUSE #11 IGNITION SWITCH INSTRUMENT CLUSTER LOW COOLANT INDICATOR LOW FUEL INDICATOR LOW OIL LEVEL INDICATOR LOW WASHER FLUID INDICATOR LT BLU WIRE LT GRN WIRE OIL PRESSURE INDICATOR OIL PRESSURE RESISTOR (BASE ONLY) ORG/ WIRE PANEL ILLUMINATION (3 BULBS) PARK BRAKE SWITCH PASS KEY FAULT INDICATOR PNK WIRE PPL PPL PNK WIRE PPL PPL RESERVOIR) RUN WIRE SERVICE ENGINE SOON INDICATOR SOLID STATE STARTING/ CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TAN WIRE TAN/WHT WIRE VF SPEEDOMETER DISPLAY LEFT TURN RIGHT TURN STEP DIM HIGH BEAM IGN 3 VOLT GAUGE W/ DRL W/O DRL WARNING SYSTEMS WHT WIRE WINDSHIELD WASHER SOLVENT LEVEL SWITCH (IN WASHER FLUID YEL WIRE YEL/BLK WIRE

1995 VFTC ACT CNTRL B+ SW SIG BLK WIRE BLK/WHT WIRE CHI BODY FUSE CTSY PWR LK FUSE DOOR LOCK RELAY (UNDER LEFT REAR SEAT) EXTERIOR LIGHTS SYSTEM (TURN SIGNAL SWITCH) GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK (LEFT SIDE OF I/P) IGN IGN LK SIG UNLK SIG BRAKE SIG KEYLESS ENTRY PROGRAMMING CONNECTOR (LEFT SIDE OF REAR COMPT) LEFT FRONT DOOR LOCK ACTUATOR LEFT POWER DOOR LOCK SWITCH LEFT REAR DOOR LOCK ACTUATOR LOCK LOCK RELAY LT BLU WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PNP SWITCH) POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PARK/ NEUTRAL SIGNAL PROG IN PWR LK FUSE REAR COMPARTMENT LID RELEASE RELAY (IN CONVENIENCE CENTER) REAR COMPARTMENT LID RELEASE SOLENOID REMOTE CONTROL DOOR LOCK RECEIVER (FRONT OF REAR COMPT, ATTACHED TO REAR SHELF) RIGHT FRONT DOOR LOCK ACTUATOR RIGHT POWER DOOR LOCK SWITCH RIGHT REAR DOOR LOCK ACTUATOR RR REL FUSE STOP/HZD FUSE STOPLAMP SWITCH (ATTACHED TO BRAKE PEDAL BRACKET) TAN WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM UNLOCK UNLOCK RELAY WHT 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

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