Chevrolet Impala VII (1994-1996) nca Wiring diagrams

ALTERNATING FLASHER BLK WIRE BLU WIRE BRN WIRE DK DK DK GRN WIRE EMERGENCY VEHICLE FRONT LAMP RELAY FLASHER (MOUNTED ON HVAC MODULE) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT I/P) LEFT EMERGENCY VEHICLE REAR COMPARTMENT LID LAMP LEFT EMERGENCY VEHICLE REAR WINDOW PANEL LAMP LEFT SPOT LAMP LEFT TURN LID OPEN LT DK NCA WIRE ORG/ WIRE PARK, STOP TAIL, TURN, MARKER LAMP CIRCUIT PPL RED WIRE RELAY PANEL (LEFT REAR TRUNK) RIGHT EMERGENCY VEHICLE REAR COMPARTMENT LID LAMP RIGHT EMERGENCY VEHICLE REAR WINDOW PANEL LAMP RIGHT SPOT LAMP RIGHT TURN SEO AUX TAN WIRE TO CUSTOMER INSTALLED ACCESSORIES TO CUSTOMER INSTALLED CONTROLS (WIRE ENDS COILED UNDER I/P, IN RIGHT FOOTWELL) TO CUSTOMER INSTALLED CONTROLS (WIRE ENDS LOCATED BEHIND RIGHT KICK PANEL) TO CUSTOMER INSTALLED EXTERIOR ROOF LIGHTS TO SEO GRILLE LAMPS (WIRE ENDS LOCATED ON RIGHT SIDE RADIATOR BRACKET) TRK LPS TURN SIGNAL SWITCH YEL 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 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

1995 VFTC FUSE BLOCK: I/P BLK WIRE H-A/C CONTROL HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START HTD MIR FUSE 44 I/P INDC FUSE #11 LEFT OUTSIDE REARVIEW MIRROR MIRROR DEFOGGER NCA WIRE ON LAMP ON/OFF MOMENTARY SWITCH ORG/ WIRE PNK WIRE PPL REAR WINDOW DEFOGGER RIGHT OUTSIDE REARVIEW MIRROR RR DEFOG CIRCUIT BREAKER 4 SOLID STATE TIMER WHT WIRE

AUTOMATIC HEADLAMP/ DRL CONTROL MODULE (ABOVE BASE OF STEERING COLUMN) BAT BLK WIRE BLU WIRE BRN WIRE BUICK (BUICK) LT BUICK ONLY CHEVY BUICK CHEVY CHEVY CONVENIENCE CENTER CRUISE CONTROL MODULE DK BLU WIRE DK DK DK LT ELECTRONIC BRAKE CONTROL MODULE EXT LPS FUSE FUSE FWD LPS FUSE GRN WIRE GRY WIRE HAZARD LAMP FLASHER HEADLAMP SWITCH HEAD OFF PARK HIGH MOUNT STOP LAMP HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (LEFT I/P) INSTRUMENT CLUSTER INSTRUMENT CLUSTER DK LAMP BUICK ONLY LEFT CORN- ERING LAMP RIGHT CORN- ERING LAMP LEFT FRONT PARK/ TURN LAMP RIGHT TURN SIGNAL LAMP LEFT TURN SIGNAL LAMP (CHEVY) LEFT OPERA LAMP RIGHT OPERA LAMP LEFT TURN IND LEFT TURN, HAZARD LICENSE LT BLU WIRE LT LT NCA WIRE NORMAL HAZARD OPTIONAL ORG/ WIRE PARK LPS CTRL PNK BACKUP LIGHTS CIRCUIT PNK WIRE PNK WIRE PPL PPL LEFT TAIL LAMP LEFT REAR MARKER LAMP PPL PPL PPL PPL PPL LEFT TAIL/ STOP/ TURN LAMPS LEFT TAIL LAMP REMOTE CONTROL DOOR LOCK RECEIVER (BUICK ONLY) RIGHT FRONT PARK/ TURN LAMP RIGHT FRONT SIDE MARKER LAMP LEFT FRONT SIDE MARKER LAMP RIGHT TURN IND RIGHT TURN, HAZARD RR T/LPS FUSE STOP LAMP/ CRUISE RELEASE STOP/ HZD SWITCH (ON BRAKE PEDAL SUPPORT) T/SIG FUSE TURN SIGNAL LAMP FLASHER TURN SIGNAL SWITCH VACUUM FLUORESCENT INDICATORS WARNING ALARM PPL WHT WIRE YEL WIRE

AUTOMATIC HEADLAMP/ DRL CONTROL MODULE (ABOVE BASE OF STEERING COLUMN) BAT BLK WIRE BLU WIRE BRN WIRE BUICK ONLY RIGHT CORN- ERING LAMP CHEVY BUICK CONVENIENCE CENTER CRUISE CONTROL MODULE DK BLU WIRE DK DK DK LT ELECTRONIC BRAKE CONTROL MODULE EXT LPS FUSE FUSE FWD LPS FUSE GRN WIRE GRY WIRE HAZARD LAMP FLASHER HEADLAMP SWITCH HEAD OFF PARK HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (LEFT I/P) INSTRUMENT CLUSTER INSTRUMENT CLUSTER DK LAMPS) LEFT CORN- ERING LAMP LEFT FRONT PARK/ TURN LAMP LEFT FRONT SIDE MARKER LAMP LEFT REAR SIDE MARKER LAMP LEFT TAIL/ STOP/ TURN LAMPS LEFT TURN IND RIGHT TURN IND LEFT TURN, HAZARD LICENSE LT BLU WIRE MOUNT STOP LAMP 400 OHM NCA WIRE NORMAL HAZARD OPTIONAL ORG/ WIRE PARK LPS CTRL PNK BACKUP LIGHTS CIRCUIT PNK WIRE PNK WIRE PPL REAR GLASS CONTACTS REMOTE CONTROL DOOR LOCK RECEIVER (BUICK ONLY) RIGHT FRONT PARK/ TURN LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT TAIL/ STOP/ TURN LAMPS RIGHT REAR SIDE MARKER LAMP RIGHT TURN, HAZARD RR T/LPS FUSE STOP LAMP/ CRUISE RELEASE STOP/ HZD SWITCH (ON BRAKE PEDAL SUPPORT) T/SIG FUSE TURN PPL SIGNAL ALARM TURN SIGNAL LAMP FLASHER TURN SIGNAL SWITCH VACUUM FLUORESCENT INDICATORS W/KEYLESS ENTRY ONLY 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

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

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