Chevrolet Impala VII (1994-1996) underhood electrical center 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

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

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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 GROUND BATTERY BATTERY IGNITION 18 19 REAR WHEEL SENSOR INPUT REAR WHEEL SENSOR GRD 1995 VFTC ABS IND. ANTI-LOCK INDICATOR CONTROL BLK WIRE BLK/WHT WIRE BRAKE APPLIED SIGNAL SERIAL DATA LINE BRAKE PRESSURE MODULATOR VALVE (BPM) BRN WIRE CHEVROLET BUICK CONTROL SIGNALS DATA LINK CONN (DLC) (ATTACHED TO I/P CARRIER, RIGHT OF STEERING COLUMN) DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) ( LEFT FRONT OF ENG COMPT) FUSE BLOCK FUSE LINK B GROUND LEFT FRONT WHEEL SENSOR INPUT LEFT FRONT WHEEL SENSOR GRD HOT AT ALL TIMES HOT IN HOT IN RUN, BULB TEST OR START I/P INDIC FUSE INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LT BLU WIRE NCA WIRE ORG/ WIRE OUT PCM/IGN FUSE 5 PNK WIRE PUMP MOTOR PUMP MOTOR POWER OUTPUT REAR AXLE SPEED SENSOR RED WIRE RIGHT FRONT WHEEL SENSOR INPUT RIGHT FRONT WHEEL SENSOR GRD RIGHT FRONT WHEEL SPEED SENSOR RUN WIRE SOLENOID VALVES STOP LAMP SWITCH (ATTACHED TO BRAKE PEDAL BRACKET) STOP/HZD FUSE TAN WIRE UNDERHOOD ELECTRICAL CENTER VALVE POWER OUTPUT WHT WIRE YEL 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

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 639 209 PNK PPL WIRE A/C DRL FUSE 20 BLK WIRE BRAKE/ BRN WIRE CHEVY BUICK CHI BODY FUSE #13 DAYTIME RUNNING LAMPS (DRL) DIODE (ATTACHED TO BRAKE DAYTIME RUNNING LAMPS (DRL) MODULE (AT RIGHT "A" PILLAR, RIGHT KICK PANEL) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRL RELAY EXT LPS FUSE 31 FUSIBLE LINK A GROUND HEAD ON IGNITION HI BEAM IN GROUND LT SENS IN LT SENS IN HEAD RELAY HEADLAMP AUTOMATIC CONTROL AMBIENT LIGHT SENSOR HEADLAMP DIMMER HEADLAMP SWITCH HI BEAM IND INSTRUMENT CLUSTER HI-BEAM IND HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER INSTRUMENT CLUSTER BRAKE INDICATOR INTERIOR, EXTERIOR LTS LEFT DUAL BEAM HEADLAMP LT GRN LT GRN WIRE LT GRN WIRE LT GRN/BLK WIRE NOT USED OFF ORG/ WIRE OUTPUT #1 IGNITION OUTPUT #2 OUTPUT #3 PARK PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PARK RELAY PEDAL BRACKET) PNK WIRE RED WIRE RIGHT DUAL BEAM HEADLAMP SUPPORT, FORWARD OF BATTERY) SWITCH TAN WIRE TAN/WHT WIRE UNDERHOOD ELECTRICAL CENTER YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

1995 VFTC AUXILIARY DOME LAMP BASE OF LH "A" PILLAR BEHIND KICKPAD BATTERY BLK WIRE BLOWER MOTOR CONTROL MODULE BODY 1 FUSE #10 BODY 2 FUSE #11 BUICK SEDAN CHEVROLET CHEVY BUICK CIGAR LIGHTER CLUS CHI FUSE #33 PASSKEY FUSE #34 CONVENIENCE CENTER CTSY PWR LK FUSE #35 DOME LAMP DRIVER'S SEAT HEAT CONTROL MODULE ENDGATE UPPER LATCH SWITCH REMOTE CONTROL DOOR LOCK RECEIVER GENERATOR HAZARD LAMP FLASHER HEATER-A/C CONTROL HIGH BLOWER RELAY HVAC MOD FUSE #38 I/P CLUSTER I/P COMPARTMENT LAMP I/P COMPARTMENT LAMP SWITCH I/P FUSE BLOCK LEFT FRONT DOOR LOCK SWITCH RIGHT FRONT DOOR LOCK SWITCH LEFT REAR COURTESY LAMP COURTESY LAMP RELAY CONVENIENCE CENTER LEFT ROOF RAIL COURTESY AND READING LAMP LH FRONT DOOR COURTESY LAMP LH REAR DOOR COURTESY LAMP MERCURY SWITCH NCA WIRE NIGHT VISION ROOF UNIT ORG/ WIRE PASSENGER'S SEAT HEAT CONTROL MODULE POWER DOOR LOCK RELAY PRIMARY COOLING FAN RELAY PRMRY CLG FAN FUSE #12 PWR LK FUSE #39 RADIO RADIO FUSE #30 NV BATT FUSE #35 REAR COMPARTMENT COURTESY LAMP AUTOMATIC LEVEL CONTROL SENSOR REAR COMPARTMENT LID PULL- DOWN ACTUATOR REAR COMPARTMENT LID RELEASE RELAY REAR WINDOW DEFOGGER RELAY REAR WINDOW DEFOGGER SWITCH REAR WINDOW WIPER MOTOR RED WIRE RH FRONT DOOR COURTESY LAMP RH I/P DOOR LAMP LH I/P DOOR LAMP RIGHT REAR COURTESY LAMP RIGHT ROOF RAIL COURTESY AND READING LAMP INSIDE REARVIEW MIRROR RIGHT SUNSHADE ILLUMINATED MIRROR RR DEFG CIRCUIT BREAKER #4 RR REL FUSE #29 CIG FUSE #28 SCNDRY CLG FAN FUSE #13 SECONDARY COOLING FAN RELAY UNDERHOOD ELECTRICAL CENTER SEDAN SEO STARTER ASSEMBLY STOP HZD FUSE #37 HTD SEAT FUSE #40 STOP LAMP SWITCH THEFT DETERRENT MODULE TO FUSIBLE LINKS A, B TO I/P FUSE BLOCK TO IGNITION SWITCH TRK LPS FUSE 27 TRK PDWN -OR- RR WIPER FUSE #36 UNDERHOOD ELECTRICAL CENTER W/KEYLESS WAGON ENTRY WAGON WARNING ALARM

#5 #3 #2 #6 #7 1995 VFTC A/C COMPRESSOR RELAY SECONDARY ENGINE COOLING FAN RELAY AIR FUSE #3 AUTOMATIC LEVEL CONTROL AIR COMPRESSOR AUTOMATIC TRANSMISSION BASE BLK WIRE BRAKE PRESSURE MODULATOR VALVE BRN WIRE CHEVROLET CONVENIENCE CENTER DIMMER SWITCH BUICK ELC FUSE #1 EMI FUSE #4 PCM/ IGN FUSE #5 EXT LPS FUSE 31 EXTERIOR LAMPS EXTERIOR LAMPS TURN SIGNAL SWITCH F/P FUSE #2 FROM BATTERY FROM IGNITION SWITCH FROM IGNITION SWITCH PNK WIRE FUEL INJ FUSE #6 FUEL INJECTORS FUEL INJECTORS PNK PNK WIRE FUEL PUMP RELAY FUEL PUMP/ ENGINE OIL PRESSURE SWITCH FUSIBLE LINK A FUSIBLE LINK B FWD LPS FUSE #41 INT DIM FUSE #42 GENERATOR GRY/BLK WIRE HEAD HEADLAMP AUTO CONTROL MODULE OR DAYTIME RUNNING LAMPS CONTROL MODULE HEADLAMP SWITCH HEATER- A/C CONTROL HEADLAMP, INSTRUMENT PANEL LAMP RADIO HORN RELAY HORNS FUSE #32 HUD BATT FUSE 45 HUD PROJECTOR I/P FUSE BLOCK I/P FUSE BLOCK DIMMER SWITCH IGNITION COIL INSTRUMENT CLUSTER PANEL LAMPS DIMMING MODULE INTERIOR LAMPS DIODE LH SPOT LAMP RH SPOT LAMP NCA WIRE OFF HEAD PARK OFF PARK ORG/ WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE POWERTRAIN CONTROL MODULE ELECTRONIC BRAKE CONTROL MODULE PPL PRI FAN FUSE #7 PRIMARY ENGINE COOLING FAN RELAY RED WIRE RELAY PANEL RR T/LPS FUSE 43 SECONDARY AIR INJECTION PUMP RELAY SEDAN WAGON SEO SEO FUSE #21 SEO FUSE #22 SOLENOID UNDERHOOD ELECTRICAL CENTER UNDERHOOD ELECTRICAL CENTER UNDERHOOD ELECTRICAL CENTER FUEL INJ FUSE #9 UNDERHOOD ELECTRICAL CENTER SEC FAN FUSE #8 UNDERHOOD LAMP WITH TWILIGHT SENTINEL OR DAYTIME RUNNING LAMPS YEL WIRE

1995 VFTC BASE BATTERY BLK WIRE BODY 2 BULB TEST ENABLE GENERATOR I/P FUSE BLOCK IGNITION SWITCH ACCY LOCK OFF MAXI- FUSE 11 PPL PPL #24 PPL CRANK FUSE PULL- IN COIL HOLD- IN COIL RED WIRE RUN WIRE SEO SOLENOID CONTACTS STARTER MOTOR STARTER SOLENOID SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM THEFT DETERRENT MODULE THEFT DETERRENT RELAY UNDERHOOD ELECTRICAL CENTER YEL WIRE