Buick Riviera VIII (1994-1999) nca Wiring diagrams

1995 VFTC 5 6 7 8 9 PPL 708 1616 PPL 733 1646 800 800 BRAKE CONTROL MODULE AMBIENT TEMPERATURE SENSOR (CENTER FRONT OF VEHICLE) BATTERY BATTERY IGNITION BLK WIRE BLK/WHT WIRE BLOWER CONTROL MODULE (BEHIND RIGHT SIDE OF I/P) BLOWER MOTOR BLW SPEED FEEDBK PWM BLW SPD CTRL BRN WIRE BRN/WHT WIRE CLOCK DRIVER DATA LINE DATA LINE DATA LINE DATA LINK CONNECTOR (LEFT SIDE OF I/P) DEFOG RLY CTRL DEFOG RLY CTRL VF INPUT A/C REQ GROUND DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE HEATER, A/C CONTROL ASSEMBLY HOT AT ALL TIMES HVAC PROGRAMMER (BEHIND RIGHT SIDE OF I/P) I/P 1 FUSE I/P FUSE BLOCK HVAC BLOWER FUSE IGNITION ILLUMINATION IN-VEHICLE TEMPERATURE SENSOR (BEHIND CENTER OF I/P) INTERIOR LIGTHS SYSTEM KDD KDD C/K PASS CTRL INPUT PASS CTRL GND LAMP FEED LEFT SOLAR SENSOR (TOP LEFT OF I/P) LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PASS TEMP CTRL PASSENGER CLIMATE CONTROL ASSEMBLY PPL PPL 1878 1812 PPL BLOWER CTRL BLW SPEED INPUT GROUND PPL/WHT WIRE RADIO REAR DEFOGGER SYSTEM RED WIRE RIGHT REAR POWER DISTRIBUTION CENTER FUSE BLOCK 1 RIGHT SOLAR SENSOR (TOP RIGHT OF I/P) SENSOR GROUND SIGNAL DRIVER TAN WIRE VF DIM INPUT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

+5 V 1995 VFTC 5 6 7 8 9 PPL A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR CONTROL RELAY D A/C PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPT) AIR INLET ACTUATOR (BEHIND I/P, ON PLENUM) BLK WIRE BRN WIRE BRN/WHT WIRE CLNG FAN FUSE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COMPARTMENT POWER DISTRIBUTION CENTER ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP LEFT SIDE OF ENGINE) GRY WIRE GRY/BLK WIRE HIGH SPEED COOLING FAN RELAY (IN ENGINE COMPT POWER DIST CENTER RELAY BLOCK 1) HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HVAC RELAY FUSE I/P FUSE BLOCK COOLING FAN FUSE IGN 3 FUSE FLAT PACK MOTOR FUSE LOW SPEED COOLING FAN RELAY (REAR CENTER OF ENGINE COMPARTMENT) LT BLU WIRE NCA WIRE PNK WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF I/P, NEAR SHROUD) PPL PRIMARY COOLING FAN PRIMARY COOLING FAN DIODE RED WIRE RED/BLK WIRE SECONDARY COOLING FAN SENSOR GROUND RELAY CONTROL RELAY CONTROL RELAY CONTROL A/C REQUEST VSB A/C SENSOR INPUT SOLID STATE SOLID STATE SOLID STATE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

ABS IND REQUEST IGN 3 LR INLET VLV CTRL RR INLET VLV CTRL 1141 OR 441 ABS MAIN ABS MAIN RELAY (CENTER REAR OF ENGINE COMPT) ABS PUMP ABS PUMP MOTOR RELAY (CENTER REAR OF ENGINE COMPT) ANTI-LOCK IND ANTILOCK DIODE (RIGHT OF STEERING COLUMN) BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE PRESSURE MODULATOR VALVE (LOWER LEFT FRONT OF ENGINE COMPT) BRAKE SWITCH (ON BRAKE PEDAL SUPPORT) BRN WIRE BRN/WHT WIRE CHIME FUSE CRUISE/SHIFT INTERLOCK/ DK BLU WIRE DK GRN WIRE ENGINE COMPARTMENT POWER DISTRIBUTION CENTER (RIGHT FRONT OF ENGINE COMPARTMENT) FLUID LEVEL SWITCH FUSE GRY WIRE HAZARD FLASHER HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK ABS FUSE (LEFT SIDE OF I/P) HOT IN RUN OR START HZRD/ STOP I/P FUSE BLOCK IGN 1 FUSE L ISOLATION LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR RIGHT FRONT WHEEL SPEED SENSOR LF INLET LF OUTLET LR INLET LR OUTLET LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MOTOR FUSE NCA WIRE OLDS W/TRACTION CONTROL ORG/ WIRE ORG/BLK WIRE PEDAL TRAVEL SWITCH DESIRED TORQUE IN TRACT ACTIVE IND CTRL FLUID LEVEL INPUT PNK PUMP MTR RELAY CTRL WIRE PNK WIRE PPL PPL RIGHT ISO VLV CTRL PPL/WHT WIRE PRESSURE INPUT PRESSURE SWITCH PUMP MOTOR PUMP MOTOR RUN SENSOR R ISOLATION RED WIRE REMOTE INDICATOR BANK OR INSTRUMENT CLUSTER RF INLET RF OUTLET RIGHT REAR POWER DISTRIBUTION CENTER (BELOW REAR SEAT) RIGHT REAR WHEEL SPEED SENSOR RR INLET RR OUTLET RR OUTLET VLV CTRL GRD LF INLET VLV CTRL RF OUTLET VLV CTRL TAN WIRE TAN/BLK WIRE TCC/ANTILOCK BRAKE SWITCH (ON BRAKE PEDAL SUPPORT) TRACT ACTIVE IND TRACT OFF IND TRACTION CONTROL ON/OFF SWITCH UART DATA LINE COMPUTER DATA LINES W/ TRACTION CONTROL W/TRACTION CONTROL WHT WIRE YEL WIRE

15 59 UART DATA DATA CLSS 2 PPL 23 42 UART DATA UART DATA 3 2 PPL 800 800 UART DATA UART DATA BLK WIRE BLK/WHT WIRE DATA LINK CONNECTOR (LEFT SIDE OF I/P) DK GRN WIRE E&C DATA ELECTRONIC BRAKE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) HOT AT ALL TIMES HVAC PROGRAMMER (BEHIND RIGHT SIDE OF I/P) I/P 1 FUSE INSTRUMENT CLUSTER MAGNA STEER ACTUATOR (NEAR VSS) MAGNA STEER MODULE (NEAR PCM) NCA WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT I/P) PROG ENABLE DATA CLSS 2 PPL RADIO REMOTE FUNCTION ACTUATOR MODULE (RIGHT FRONT OF REAR COMPARTMENT) RIGHT REAR POWER DISTRIBUTION CENTER FUSE BLOCK 1 SENSING AND DIAGNOSTIC MODULE (BELOW RIGHT FRONT SEAT, UNDER CARRPET) TAN WIRE UART DATA UART DATA UART DATA E&C DATA WHT WIRE

1995 VFTC 56 31 32 SENSOR GROUND RELAY CONTROL RELAY CONTROL BLK WIRE BRN WIRE CLNG FAN FUSE DK BLU WIRE DK GRN WIRE ENGINE COMPARTMENT POWER DISTRIBUTION CENTER ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP LEFT SIDE OF ENGINE) HIGH SPEED COOLING FAN RELAY (IN ENG COMPT POWER DIST CENTER RELAY BLOCK 1) HOT AT ALL TIMES I/P FUSE BLOCK COOLING FAN FUSE LOW SPEED COOLING FAN RELAY (REAR CENTER OF ENGINE COMPT) LT BLU WIRE NCA WIRE POWERTRAIN CONTROL MODULE (PCM) (BEHIND RIGHT SIDE OF I/P, NEAR SHROUD) PRIMARY COOLING FAN PRIMARY COOLING FAN DIODE RED WIRE SECONDARY COOLING FAN SENSOR INPUT SERIES/PARALLEL COOLING FAN RELAY (IN ENG COMPT POWER DIST CENTER RELAY BLOCK 1) WHT WIRE YEL WIRE

BLK WIRE BRN WIRE DEFOGGER UPPER ZONE HOT AT ALL TIMES HOT IN RUN HVAC CONTROL ASSEMBLY HVAC PROGRAMMER (RIGHT SIDE OF I/P) LOWER ZONE ENABLE I/P FUSE BLOCK IGN 3 FUSE KDD C/K PWR KDD GND KDD LEFT REAR POWER DISTRIBUTION CENTER (BELOW LEFT REAR SEAT) LT BLU WIRE NCA WIRE ORG/ WIRE PPL REAR REAR DEFOG RELAY 1 (LOWER ZONE) REAR DEFOG RELAY 2 (UPPER ZONE) REAR DEFOGGER LOWER ZONE RED WIRE RIGHT POWER DISTRIBUTION CENTER (BELOW LEFT REAR SEAT) RR DEFOG 1 FUSE RR DEFOG 2 FUSE TAN WIRE UPPER ZONE ENABLE WHT WIRE

1995 VFTC 25 13 (OLDSMOBILE) (BUICK) ACTUATOR CTRL ACTUATOR CTRL IGNITION (RUN) BLK WIRE BRN WIRE BUICK ONLY DATA LINK CONNECTOR (DLC) (LEFT SIDE OF I/P) DK GRN/WHT WIRE GROUND GRY WIRE HOT IN RUN I/P FUSE BLOCK IGN 3 FUSE MAGNA STEER ACTUATOR (INSIDE STEERING GEAR) NCA WIRE VEHICLE SPEED IN VEHICLE SELECT WHT WIRE

1995 VFTC ACTUATOR ARM BLK WIRE BRN WIRE COMPRESSOR MOTOR DK GRN WIRE EXHAUST CONTROL COMPRESSOR CONTROL VEHICLE HEIGHT INPUT EXHAUST SOLENOID GROUND CONTROL HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK IGN 3 FUSE LEVEL NCA WIRE ORG/ WIRE POWER RESET TOO HIGH TOO LOW WHT WIRE YEL WIRE

1642 1020 BAT IGN ENABLE OUT RLY CNTRL IND CNTRL PNK WIRE 851 851 1074 1073 GROUND GROUND KEY RES IN KEY RES IN BLK WIRE BLK/WHT WIRE BULB TEST OFF DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES IGNITION SWITCH HOT IN RUN OR START HOT IN START I/P FUSE BLOCK CRANK FUSE IGNITION KEY IGNITION KEY LOCK CYLINDER LOCK PPL NCA WIRE OLDS, BUICK ORG/ WIRE PASSKEY II DECODER MODULE (BEHIND RIGHT SIDE OF I/P) PCM FUSE PNK (BODY HARN, AT RIGHT KICK PANEL) WIRE PNK IGN WIRE PNK WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT I/P) PPL PPL PARK/ NEUTRAL POSITION SWITCH PPL/WHT WIRE RED WIRE REMOTE FUNCTION ACTUATION MODULE (RIGHT FRONT OF LUGGAGE COMPT) RESISTOR PELLET RIGHT REAR POWER DISTRIBUTION CENTER (BELOW REAR SEAT) I/P 1 FUSE RIGHT REAR POWER DISTRIBUTION CENTER (BELOW REAR SEAT) PCM/ VATS FUSE RUN WIRE SECURITY INDICATOR STARTER ENABLE RELAY (LOWER LEFT OF STEERING COLUMN) STARTER SOLENOID STRTR DISABLE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

12 13 PNK WIRE A/C COMP CTRL A/C REQUEST IN AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM AUTOMATIC TRANSAXLE BLK PNK/ WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE ENGAGED SIG DATA LINK CONNECTOR (UNDER LEFT SIDE OF I/P) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/ WHT WIRE DK GRN/WHT WIRE DK GRY/WHT WIRE DLC CLASS 2 DATA PCM GROUND ELECTRONIC POWER STEERING SYSTEM ENGINE OIL LEVEL SWITCH (CENTER OF OIL PAN) EVAP EMISSIONS PURGE VACUUM SWITCH (RIGHT SIDE OF ENGINE) EVAPORATIVE EMISSIONS PURGE SOLENOID VALVE (RIGHT REAR OF ENGINE) FUEL PUMP (VIN K ONLY) (TOP OF FUEL TANK) FUEL PUMP FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK IDLE AIR CONTROL (IAC) VALVE (ON SIDE OF THROTTLE ASSEMBLY) IGNITION CTRL REF HI IGNITION CTRL REF LO A/T ISS SENS LO VSS RETURN INTAKE AIR TEMPERATURE (IAT) SENSOR (LEFT FRONT OF ENGINE COMPT) LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MASS AIR FLOW SENSOR (LEFT FRONT OF ENGINE) A/T ISS SENSOR MIL LAMP CONTROL NCA WIRE ORG/BLK WIRE OXY SENS FUSE MAF FUSE PCM FUSE PNK PNK WIRE PNK WIRE PNK/ PPL/ PPL/ PNK WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF I/P) PPL PPL/WHT WIRE REAR MAXI FUSE BLOCK 2 (UNDER RIGHT REAR SEAT) PCM/ VATS FUSE RED WIRE RED/BLK WIRE RIGHT REAR POWER DIS- TRIBUTION CENTER BLOCK 1 (UNDER RIGHT REAR SEAT) TAN WIRE TAN/BLK WIRE TRANS RANGE SW PARITY VEHICLE SPEED SENSOR (ON TRANSAXLE) VIN VIN 1 WARNING SYSTEMS WHT DK GRN/ WIRE WHT WIRE WHT/ BLK WIRE YEL WIRE