Buick Riviera VIII (1994-1999) ignition ctrl ref hi ignition ctrl ref lo a/t iss sens lo vss return Wiring diagrams

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

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