Buick Regal III (1988-1997) Wiring diagram engine performance 3.8l (vin l)s

389 229 THEFT DETERRENT MODULE A/C COMP RLY 335 473 FAN CTRL #1 RELAY FAN CTRL #2 RELAY A/C COMPRESSOR CONTROLS A/C HEAD PRESSURE SWITCH A/C REQUEST INPUT AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT REF INPUT FUEL CTRL REF IN GROUND SPARK REF IN MAF SENSOR IN COOLING FAN REQUEST CRUISE CONTROL MODULE CRUISE ENGAGED SIGNAL DATA LINK CONNECTOR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EGR 5 VOLT REF FUSED IGN FEED ENG EMIS FUSE F/INJN FUSE FUEL INJECTORS FUEL PUMP RELAY CTRL FUSED BATTERY FEED IAT GROUND GRY WIRE HOT IN RUN HOT IN RUN, BULB TEST OR START IDLE AIR CONTROL MOTOR (TOP LEFT SIDE OF ENGINE) IGN LINEAR EGR CTRL FUSED IGN FEED LINEAR EXHAUST GAS RECIRCULATION (EGR) VALVE (UPPER RIGHT SIDE OF ENGINE) 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 (TOP LEFT SIDE OF ENGINE) ORG/ WIRE PNK WIRE PNK/BLK WIRE PPL 400 401 VEHICLE SPEED SENSOR (RIGHT REAR OF ENGINE) PPL PPL/WHT WIRE RED/BLK WIRE SERIAL DATA LINE SHIFT A SOL SHIFT B SOL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC ENABLE SOL TCC FUSE TCC PWM SOL TCC/PWM SOLENOID CTRL CRUISE DISABLE UNDERHOOD ELECTRICAL CENTER #1 ECM/ING FUSE UNDERHOOD ELECTRICAL CENTER 1 VSS INPUT HI VSS INPUT LO WHT WIRE YEL WIRE YEL/BLK WIRE

413 412 PPL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN/WHT WIRE ECM BAT FUSE ENG EMIS FUSE ENGINE COOLANT TEMP SENSOR (TOP LEFT SIDE OF ENGINE) EVAPORATIVE EMISSIONS CANISTER PURGE SOLENOID (TOP OF ENGINE ON INTAKE PLENUM) FUEL PUMP PRIME CONNECTOR FUEL PUMP RELAY (RIGHT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) FUEL PUMP/ OIL PRESSURE SENSOR SWITCH (RIGHT FRONT OF ENGINE NEAR OIL FILTER) FUEL TANK UNIT (TOP OF FUEL TANK) FUSE 39 FUSE BLOCK GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START INDICATOR INSTRUMENT CLUSTER "SERVICE ENGINE SOON" INTAKE AIR TEMP INPUT INTAKE AIR TEMP SENSOR (LEFT FRONT OF ENGINE COMPARTMENT) KNOCK SENSOR (REAR RIGHT SIDE OF ENGINE) LT BLU/BLK WIRE LT GRN WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT REAR OF ENGINE, RIGHT TOP OF TRANSAXLE) PNK WIRE PPL PPL 1669 1668 PPL/WHT WIRE RED WIRE RED/BLK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC BRAKE SWITCH INPUT TCC SOL. CTRL TCC/BRAKE SWITCH (BRAKE PEDAL SUPPORT) THROTTLE POSITION SENSOR (MOUNTED TO SFI UNIT) TRANS RANGE PARITY INPUT TRANS RANGE INPUT C TRANSAXLE SOL B CTRL TRANSAXLE SOL A CTRL TRANSMISSION TEMP SENSOR (AUTOMATIC TRANSAXLE) UNDERHOOD ELECTRICAL CENTER 1 WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 PPL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE BUFFER/ AMPLIFIER BYPASS SWITCH CAMSHAFT POSITION SENSOR (LOWER RIGHT SIDE OF ENGINE, ABOVE LOWER PULLEY) CATALYST CRANKSHAFT SENSOR (LOWER RIGHT SIDE OF ENGINE) ELECTRONIC IGNITION (EI) MODULE (TOP RIGHT FRONT OF ENGINE) ENG EMIS FUSE HALL EFFECT SENSOR HEATED OXYGEN HOT IN RUN HOT IN RUN, BULB TEST OR START IGNITION COILS LT BLU/BLK WIRE LT BLU/WHT WIRE PNK WIRE PPL PPL/WHT WIRE RED/BLK WIRE SENSOR GROUND SPARK PLUGS SWS/ AMPLIFIER TACH TACHOMETER (INSTRUMENT CLUSTER) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD ELECTRICAL CENTER #1 ELEK IGN FUSE WHT WIRE WHT/BLK WIRE YEL WIRE