Buick Riviera VIII (1994-1999) automatic transaxle Wiring diagrams

1 2 (3.8L L67 SUPERCHARGED) (3.8L L36 NON-SUPERCHARGED) 2-3 SHIFT SOL PRESSURE CONTROL SOL APPROX 13 CM FROM 10-PIN CONN AT RIGHT REAR CORNER OF PASSENGER COMPT) AUTOMATIC TRANSAXLE AUTOMATIC TRANSAXLE FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE FLUID TEMPERATURE SENSOR AUTOMATIC TRANSAXLE INPUT SHAFT SPEED SENSOR BLK WIRE BLK/WHT WIRE BRAKE SWITCH BRN WIRE BRN/WHT WIRE CLNG FAN FUSE COOLING FAN RELAYS CRUISE CONTROL SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROLS SYSTEM GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK IGN 1 FUSE INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP MASS AIR FLOW SENSOR ORG/ WIRE OXY SEN FUSE MAF FUSE PARK/ NEUTRAL POSITION SWITCH (ON TRANSAXLE) PASSKEY DECODER MODULE PASSKEY DECODER MODULE, INSTRUMENT CLUSTER PCM FUSE PCM/VATS FUSE PNK APPROX 3 CM FROM PCM CONN) WIRE PNK PNK PPL WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) PPL PPL PPL REAR MAXIFUSE BLOCK 2 RED WIRE RED/BLK WIRE TAN WIRE TCC PWM SOL 1-2 SHIFT SOL TCC RELEASE TCC/ BRAKE SWITCH THROTTLE POSITION SENSOR TR SW IN-A TR SW IN-P VEHICLE SPEED SENSOR (LOWER RIGHT REAR OF ENGINE COMPT, ON TRANSAXLE) WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 (3.8L L67 SUPERCHARGED) (3.8L L36 NON-SUPERCHARGED) 2-3 SHIFT SOL PRESSURE CONTROL SOL APPROX 13 CM FROM 10-PIN CONN AT RIGHT REAR CORNER OF PASSENGER COMPT) AUTOMATIC TRANSAXLE AUTOMATIC TRANSAXLE FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE FLUID TEMPERATURE SENSOR AUTOMATIC TRANSAXLE INPUT SHAFT SPEED SENSOR BLK WIRE BLK/WHT WIRE BRAKE SWITCH BRN WIRE BRN/WHT WIRE CLNG FAN FUSE COOLING FAN RELAYS CRUISE CONTROL SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROLS SYSTEM GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK IGN 1 FUSE INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP MASS AIR FLOW SENSOR ORG/ WIRE OXY SEN FUSE MAF FUSE PARK/ NEUTRAL POSITION SWITCH (ON TRANSAXLE) PASSKEY DECODER MODULE PASSKEY DECODER MODULE, INSTRUMENT CLUSTER PCM FUSE PCM/VATS FUSE PNK APPROX 3 CM FROM PCM CONN) WIRE PNK PNK PPL WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) PPL PPL PPL REAR MAXIFUSE BLOCK 2 RED WIRE RED/BLK WIRE TAN WIRE TCC PWM SOL 1-2 SHIFT SOL TCC RELEASE TCC/ BRAKE SWITCH THROTTLE POSITION SENSOR TR SW IN-A TR SW IN-P VEHICLE SPEED SENSOR (LOWER RIGHT REAR OF ENGINE COMPT, ON TRANSAXLE) WHT 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

1-2 CTRL SOL TCC PWM SOL 472 410 417 IAT SENSOR IN ECT SENSOR IN TP SENSOR IN A/C PRESS SENS IN A/C REFRIGERANT PRESSURE SENSOR (REAR OF A/C COMPRESSOR) AUTOMATIC TRANSAXLE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CHECK ENGINE INDIC CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUEL INJECTORS GEN FIELD 'L' TERMINAL GRY WIRE HOT IN RUN OR START HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INJ FUSE IGN 1 FUSE INSTRUMENT CLUSTER KNOCK SENSOR 1 (LOWER FRONT OF ENGINE) KNOCK SENSOR 2 (REAR OF ENGINE) LOW OIL INDIC LOW OIL LEVEL INDIC CTRL LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (RIGHT FRONT OF ENGINE) NCA WIRE PCS SOL PNK 4 5 6 WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF I/P) PPL PPL 412 413 1668 1669 PPL/WHT WIRE RED WIRE RED/BLK WIRE RIGHT FRAME RAIL) RNGE 'A' RNGE 'B' RNGE 'C' STARTING/ CHARGING SYSTEM TACH SIGNAL IN TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC REL TCC SOL 2-3 CTRL SOL TFT SENSOR TR PRESSURE SWITCH ASSY TCC REL IN TRANS SHIFT SOL 'A' MAP SENSOR IN CRUISE INHIBIT OUT TRANS SHIFT SOL 'B' TRANS TEMP SENS IN VEHICLE SPEED IN WHT 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

1-2 CTRL SOL TCC PWM SOL 472 410 417 IAT SENSOR IN ECT SENSOR IN TP SENSOR IN A/C PRESS SENS IN A/C REFRIGERANT PRESSURE SENSOR (REAR OF A/C COMPRESSOR) AUTOMATIC TRANSAXLE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CHECK ENGINE INDIC CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUEL INJECTORS GEN FIELD 'L' TERMINAL GRY WIRE HOT IN RUN OR START HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INJ FUSE IGN 1 FUSE INSTRUMENT CLUSTER KNOCK SENSOR 1 (LOWER FRONT OF ENGINE) KNOCK SENSOR 2 (REAR OF ENGINE) LOW OIL INDIC LOW OIL LEVEL INDIC CTRL LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (RIGHT FRONT OF ENGINE) NCA WIRE PCS SOL PNK 4 5 6 WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF I/P) PPL PPL 412 413 1668 1669 PPL/WHT WIRE RED WIRE RED/BLK WIRE RIGHT FRAME RAIL) RNGE 'A' RNGE 'B' RNGE 'C' STARTING/ CHARGING SYSTEM TACH SIGNAL IN TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC REL TCC SOL 2-3 CTRL SOL TFT SENSOR TR PRESSURE SWITCH ASSY TCC REL IN TRANS SHIFT SOL 'A' MAP SENSOR IN CRUISE INHIBIT OUT TRANS SHIFT SOL 'B' TRANS TEMP SENS IN VEHICLE SPEED IN WHT WIRE YEL WIRE YEL/BLK WIRE