Buick Skylark VII (1992-1998) nca Wiring diagrams

1995 VFTC A/C COMPRESSOR CLUTCH A/C PRESSURE SENSOR (RIGHT FRONT OF ENGINE, ON COMPRESSOR) A/C REQUEST BLK WIRE BLOWER MOTOR BLOWER MOTOR RELAY (RIGHT REAR OF ENGINE COMPARTMENT) BLOWER RESISTORS (RIGHT REAR OF ENGINE COMPARTMENT) BLOWER SWITCH BRN WIRE CLG FAN FUSE COOLANT FAN DATA LINE DEF BLEND DEF BLEND HTR VENT DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COMPART- MENT FUSE CENTER ENGINE COMPARTMENT FUSE CENTER ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) ERLS FUSE FAN CONTROL RELAY (RIGHT REAR OF ENGINE COMPARTMENT) FUSE BLOCK GRY WIRE HEATER, A/C CONTROL ASSEMBLY HOT AT ALL TIMES HOT IN RUN HTR A/C FUSE HVAC BLO MOT FUSE INSTRUMENT PANEL CLUSTER LT BLU WIRE LT GRN WIRE MAX HTR NORM VENT BI-LV BI-LV MAX NORM MODE SWITCH NCA WIRE OFF OLDS, BUICK ORG (OR ORG/BLK) WIRE ORG/ WIRE PNK WIRE PONTIAC POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF I/P) PPL RED WIRE RED/BLK WIRE RELAY CONTROL SENSOR GROUND SENSOR INPUT TAN WIRE WHT WIRE YEL WIRE

1995 VFTC BLK WIRE COOLANT FAN DK GRN WIRE ENGINE COMPARTMENT FUSE CENTER CLG FAN FUSE ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) FAN CONTROL RELAY (RIGHT REAR OF ENGINE COMPARTMENT) HOT AT ALL TIMES LT BLU WIRE NCA WIRE ORG (OR ORG/BLK) WIRE ORG (OR WIRE ORG/BLK WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF I/P) RED WIRE RELAY CONTROL SENSOR GROUND SENSOR INPUT YEL WIRE

1995 VFTC ALARM FUSE ANTENNA ANTENNA GRID W/ REAR ANTENNA/ REAR DEFOGGER MODULE BLK WIRE BRN WIRE COAX ANTENNA INPUT ELECT. AMP FUSE BLOCK GRY WIRE HOT IN RUN HOT IN RUN, BULB TEST OR START HTR A/C FUSE IGN LT BLU WIRE MULTI-FUNCTION ALARM MODULE (CONVENIENCE CENTER) REAR DEFOG SWITCH INPUT NCA WIRE OLDS, BUICK ORG/ WIRE PANEL LAMPS PNK (OLDS, BUICK) WIRE PONTIAC PPL PPL PPL REAR DEFOG SWITCH REAR DEFOGGER REAR DEFOGGER RELAY RR DEF FUSE SOUND SYSTEM (RADIO) VEHICLE SPEED INPUT VEHICLE SPEED SIGNAL W/O REAR ANTENNA GRID

1 60 17 21 ** ** 14 14 23 60 ** ** 1995 VFTC A/C CLUTCH DIODE A/C CLUTCH AUXILIARY DISCRIMINATING SENSOR BATTERY BLK WIRE BLK/WHT WIRE BLOWER MOTOR BLOWER MOTOR RELAY BRAKE FLUID LEVEL SWITCH COOLANT FAN CRUISE CONTROL MODULE DATA LINK CONNECTOR ELECTRONIC BRAKE CONTROL MODULE ELECTRONIC IGNITION FUEL PUMP RELAY FUEL PUMP UNIT HEATED FRONT OXYGEN SENSOR HEATED REAR OXYGEN SENSOR INSTRUMENT PANEL CLUSTER MASS AIR FLOW SENSOR NCA WIRE OIL LEVEL SWITCH ONLY PARK/NEUTRAL POSITION SWITCH (W/ A/T) POWERTRAIN CONTROL MODULE (PCM) SENSING DIAGNOSTIC MODULE SURGE TANK LOW COOLANT SWITCH TAN WIRE WHT WIRE

1995 VFTC AUTOMATIC TRANSAXLE CONTROL (BUICK/ PONTIAC) ASHTRAY LIGHT (OLDS/ BUICK) AUTOMATIC TRANSAXLE CONTROL (OLDS) AUXILIARY POWER (BUICK/OLDS) BLK WIRE BRAKE TRANSAXLE SHIFT INTERLOCK SOLENOID (BUICK W/O CONSOLE) BUICK PONTIAC CENTER HIGH MOUNTED STOP LIGHT (BUICK) CENTER HIGH MOUNTED STOP LIGHT ASSEMBLY (PONTIAC/OLDS) CIGAR LIGHTER DATA LINK CONNECTOR DOME COURTESY/ READING LIGHT SWITCHES DOOR LOCK RELAY SEAT BELT SWITCH ENHANCED TRACTION CONTROL SWITCH (OLDS) ENHANCED TRACTION CONTROL SWITCH (PONTIAC) FOG LIGHT SWITCH (OLDS/ PONTIAC) HEATER-A/C CONTROL ASSEMBLY (OLDS/BUICK) IGNITION LOCK SOLENOID (OLDS) IGNITION LOCK SOLENOID (PONTIAC/ BUICK W/ CONSOLE) INSTRUMENT PANEL CLUSTER (BUICK) INSTRUMENT PANEL CLUSTER (EX SKYLARK) INSTRUMENT PANEL COMPARTMENT LIGHT LEFT BACK-UP LIGHT RIGHT BACK-UP LIGHT LEFT FRONT DOOR HANDLE SWITCH LEFT FRONT LOCK DOOR SWITCH LEFT RIGHT LEFT TAIL/ STOP/TURN LIGHT LEFT VANITY MIRROR LIGHT (W/ UPLEVEL SUNROOF) LICENSE LIGHT LUGGAGE COMPARTMENT LIGHT MAP/READING LIGHT SWITCHES (W/ UPLEVEL SUNROOF) MASTER WINDOW SWITCH MULTI- FUNCTION ALARM MODULE (CONVENIENCE CENTER) NCA WIRE OLDS/BUICK OUTSIDE MIRROR SWITCH PANEL DIMMER SWITCH (OLDS/ BUICK) PANEL DIMMER SWITCH (PONTIAC) POWER SEAT SWITCH PRNDL CONTROL MODULE RADIO RADIO (BUICK) REAR DEFOGGER REAR DEFOGGER SWITCH REAR DEFOGGER SWITCH (OLDS) REMOTE KEYLESS ENTRY MODULE RIGHT LEFT RIGHT VANITY MIRROR LIGHT (W/ UPLEVEL SUNROOF) STEERING WHEEL CONTROL (PONTIAC/ BUICK) SUNROOF ASSEMBLY VANITY MIRROR LIGHT (W/ SUNROOF) WIPER MOTOR ASSEMBLY IGNITION SWITCH

20 21 PPL A/C SENSOR (RIGHT SIDE OF ENGINE COMPT) BLK WIRE BRN WIRE DIGITAL EXHAUST GAS RECIRC- ULATION VALVE (FRONT TOP OF ENGINE) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ERLS FUSE FUEL PUMP SWITCH/OIL PRESSURE SENDER/ SWITCH (RIGHT FRONT OF ENGINE) FUEL TANK UNIT (FRONT OF FUEL TANK) FUSE FUSE BLOCK GRY WIRE HEATED OXYGEN SENSOR BEHIND CATALYTIC CONVERTER HOT IN OFF OR RUN HOT IN RUN HOT IN RUN, BULB TEST OR START LT GNR LT GRN WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP CENTER OF ENGINE) NCA WIRE ORG/BLK WIRE OXYGEN SENSOR (EXHAUST MANIFOLD) PNK 13 14 15 16 17 18 19 WIRE PNK WIRE PPL PPL/WHT WIRE PRNDL FUSE RED/BLK WIRE TAN WIRE TAN/WHT WIRE THROTTLE POSITION SENSOR (TPS) (FRONT OF ENGINE) VEHICLE SPEED SENSOR (ON TRANSAXLE) WHT WIRE YEL WIRE

A/C SYSTEM AUTOMATIC TRANSAXLE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CANISTER VENT SOL CTRL COOLING FAN RELAY CTRL COOLING FANS SYSTEM CRANKSHAFT POSITION SENSOR (FRONT OF ENGINE) CRUISE CONTROL BRAKE SWITCH (UNDER LEFT SIDE OF I/P) CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM WARNING SYSTEMS CRUISE DISENGAGE DATA LINK CONNECTOR (UNDER LEFT SIDE OF I/P) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COMPART- MENT FUSE CENTER IGN MOD FUSE F/P INJ FUSE ALARM FUSE FUEL PUMP FUEL TANK UNIT FUEL PUMP RELAY (RIGHT REAR OF ENGINE COMPARTMENT) FUEL TANK PRESS IN IGNITION COIL CTRL OUT IGNITION COIL CTRL OUT FUSE BLOCK GRY WIRE HOT IN RUN, BULB TEST OR START IGNITION COIL IGNITION MODULE INSTRUMENT CLUSTER KNOCK SENSOR (LEFT REAR OF ENGINE) KNOCK SENSOR IN LT GRN WIRE MIL INDIC NCA WIRE OLDS, BUICK ORG/ WIRE PLUGS SPARK PNK WIRE PONTIAC POWER IN POWERTRAIN CONTROL MODULE (RIGHT FRONT CORNER OF I/P) PPL PPL 574 550 239 PPL VSS SENSOR RETURN VSS SENSOR IN PPL/WHT WIRE RED/BLK WIRE SHIFT SOL A SHIFT SOL B SOL A AND B POWER TACH CONNECTOR (LEFT REAR OF ENGINE COMPT) TAN WIRE TAN/BLK WIRE TCC ENABLE SOLENOID TCC PWM SOLENOID UART DATA VSS IN WHT WIRE YEL WIRE YEL/BLK WIRE

A/C COMP CTRL AIR CONDITIONING SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAM POS IN VSS IN CAMSHAFT POSITION SENSOR (REAR OF ENGINE) COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF I/P) DK GRN WIRE DK GRN/WHT WIRE ENGINE COMPARTMENT FUSE CENTER ENGINE COOLING FAN ENGINE DATA SENS GRD ERLS FUSE IGN MOD FUSE EVAPORATIVE EMISSIONS CANISTER PURGE SOLENOID VALVE (REAR OF ENGINE) EVAPORATIVE EMISSIONS CANISTER VENT SOLENOID VALVE (RIGHT FRONT OF ENGINE COMPT) FUEL PUMP SWITCH/OIL PRESSURE SENDER/SWITCH (RIGHT FRONT OF ENGINE) FUSE BLOCK GRN/ WHT WIRE GRY WIRE HIGH RESOLUTION HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START ICM MODULE BYPASS IGNITION CTRL IN MAF SENSOR IN IDLE AIR CONTROL (IAC) VALVE (ON SIDE OF THROTTLE ASSEMBLY) IGNITION CTRL REF HI IGNITION CTRL REF LO INTAKE AIR TEMPERATURE (IAT) SENSOR (TOP OF ENGINE) LOW COOLANT SENS IN CRUISE ENGAGED SIG OIL PRESS SENDER LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MASS AIR FLOW SENSOR (TOP OF ENGINE) MIL LAMP CONTROL NCA WIRE OIL LEVEL SWITCH (OIL PAN) ORG/ WIRE PCM BATT FUSE PCM/IGN FUSE PNK 7 8 9 10 WIRE PNK POWER (IGNITION 1) WIRE PNK WIRE POSITION SENSOR (FRONT OF ENGINE) POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF I/P) PPL PPL 2 3 PPL DLC CLASS 2 DATA PCM GROUND PPL VSS RETURN PPL/WHT WIRE RED WIRE RED/BLK WIRE SURGE TANK LOW COOLANT SWITCH (COOLANT RESERVOIR) TAN WIRE TAN/BLK WIRE TCC ENABLE SOL CTRL EGR VALVE SOL CTRL EVAP PURGE SOL CTRL TRANS RANGE SW PARITY UART DATA LINK VEHICLE SPEED SENSOR (ON TRANSAXLE) WARNING SYSTEMS WHT DK GRN/ WIRE WHT GRN/ WIRE WHT WIRE WHT/ BLK WIRE YEL WIRE YEL/BLK WIRE

51 839 PNK WIRE ALARM FUSE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL BRAKE SWITCH (UNDER LEFT SIDE OF I/P) DIGITAL EXHAUST GAS RECIRC- ULATION VALVE (REAR OF ENGINE) DK BLU WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) FUEL PUMP ASSEMBLY (TOP OF FUEL TANK) FUEL PUMP RELAY (RIGHT SIDE OF SAFETY WALL) FUSE FUSE BLOCK GRY WIRE HOT IN OFF OR RUN HOT IN RUN HOT IN RUN, BULB TEST OR START IGNITION AMPLIFIER AND SWITCHING MODULE INSTRUMENT CLUSTER LOW RESOLUTION NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (TOP OF TRANSAXLE) PLUGS SPARK PNK 3 4 WIRE PNK 7 8 9 10 WIRE PNK WIRE POWER PPL PPL 2 3 PPL/WHT WIRE PRNDL FUSE RED/BLK WIRE SENSOR (RIGHT FRONT OF ENGINE) SOLID STATE SPARK PLUGS TAN WIRE TAN/BLK WIRE THROTTLE POSITION SENSOR (THROTTLE BODY) VSS IN UART DATA CHECK ENGINE WHT WIRE YEL WIRE

A/C PRESS SENS IN A/C REFRIGERANT PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPT) BLK WIRE BLK/WHT WIRE BRN WIRE CANISTER VENT SOL CTRL CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE ENGINE COMPARTMENT FUSE CENTER F/P INJR FUSE FIELD DUTY CYCLE KNOCK SENS IN FUEL INJ 1 CTRL FUEL INJ 2 CTRL FUEL INJ 3 CTRL FUEL INJECTORS FUEL PUMP ASSEMBLY (TOP OF FUEL TANK) FUEL TANK PRESSURE SENS GEN OUT SIGNAL IN GRY WIRE HEATED OXYGEN SENSOR #1 (REAR OF ENGINE, IN EXHAUST MANIFOLD) HEATED OXYGEN SENSOR #2 (IN EXHAUST PIPE, BEHIND CATALYST) HOT IN RUN, BULB TEST OR START IAT SENSOR IN ECT SENSOR IN TP SENSOR IN KNOCK SENSOR (RIGHT FRONT OF ENGINE) LINEAR EGR POS SENS IN LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) NCA WIRE ORG/ WIRE ORG/BLK WIRE PCM GROUND PNK 3 4 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF I/P) PPL PPL/WHT WIRE RED/BLK WIRE SHIFT SOLENOID STARTING/ CHARGING SYSTEM STARTING/ CHARGING SYSTEM 23 496 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC ENABLE SOLENOID TCC PWM SOLENOID TRANS SHIFT SOL 'A' MAP SENSOR IN CRUISE INHIBIT OUT TRANS SHIFT SOL 'B' TRANS TEMP SENS IN TRANSAXLE TRANSMISSION FLUID TEMPERATURE SENSOR WHT WIRE YEL WIRE YEL/BLK WIRE