Pontiac Firebird IV (1993-2002) under- hood fuse block (bottom) Wiring diagrams

1 2 3 4 5 6 7 8 PNK PNK WIRE BLK WIRE BLK/WHT WIRE BRAKE SW BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ETC FUSE EXHAUST GAS RECIRCULATION (EGR) VALVE (LEFT FRONT OF ENGINE) FUEL LEVEL SENSOR FUEL PUMP RELAY FUEL TANK PRESSURE SENSOR FUEL TANK UNIT FUEL TANK UNIT FUEL PUMP FUSED INPUT GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES FUEL PUMP FUSE TCS BATT FUSE HOT IN RUN, BULB TEST, START LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (RIGHT SIDE OF INTAKE MANIFOLD) MOTOR DRIVER NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL 10 11 PPL PNK WIRE RED WIRE RED/BLK WIRE RES/ACC SET/COAST SIG TAC SER DATA TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE ACTUATOR CONTROL THROTTLE ACTUATOR CONTROL MODULE (ON ACCELERATOR PEDAL BRACKET) TP SENS 1 TPS 2 GND TPS 2 SIG UNDER- HOOD FUSE BLOCK (BOTTOM) UNDER- HOOD FUSE BLOCK (TOP) WHT WIRE YEL WIRE YEL/BLK WIRE

11 12 PNK WIRE A/C REQUEST A/C CLUTCH STATUS A/C SYSTEM A/C SYSTEM PPL AIR BYPASS VLV CTRL AIR PUMP RLY CTRL CRUISE CTRL INHIBIT ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL, SOUND (CAMARO), INSTRUMENT CLUSTER SYSTEMS CRUISE CTRL ENABLE SIG A/C REFRIG PRESS SEN SIG GENERATOR TERM "L" OUT DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP CAN PURGE VALVE CTRL GRY WIRE GRY/BLK WIRE HOT W/ IGN 1 RELAY ENERGIZED INSTRUMENT PANEL CLUSTER IAC COIL "B" HI IAC COIL "B" LO IAC COIL "A" LO IAC COIL "A" HI IDLE AIR CONTROL VALVE (ON THROTTLE BODY) IGN IGN CTRL SIG IGN ENG CTRL FUSE IGNITION COIL/ MODULE 2 (AT TOP OF CYLINDER) IGNITION COIL/ MODULE 4 (AT TOP OF CYLINDER) IGNITION COIL/ MODULE 6 (AT TOP OF CYLINDER) IGNITION COIL/ MODULE 8 (AT TOP OF CYLINDER) INTAKE AIR TEMPERATURE SENSOR (ON AIR INTAKE DUCT, FWD OF INTAKE MANIFOLD) LT BLU WIRE LT BLU/ WHT WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MALFUNCTION INDICATOR LAMP PNK (MIL) WIRE NCA WIRE PC SOL VALVE HI EGR VALVE CTRL PC SOL VALVE LO FUEL PUMP RLY CTRL TACH OUT PLUG SPARK PNK 26 27 28 29 WIRE PNK TRANS RANGE "A" IN FUEL TANK PRESSURE WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (IN ENG COMPT, BEHIND RIGHT STRUT TOWER) PPL PPL 7 8 PPL PNK 21 22 23 24 25 WIRE PPL SEN GND PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE REF LO REF LOW REF LOW SPARK PLUG STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TCS SPARK RETARD SIG FUEL LEVEL IN PPL THEFT DETER FUEL ENABLE MAF SEN SIG MAP SEN SIG COOL FANS 2, 3 RLY CTRL TP SEN SIG IAT SEN IN UNDER- HOOD FUSE BLOCK (BOTTOM) VSS LO VSS HI VSS OUT TFT SEN SIG WHT WIRE YEL WIRE YEL/BLK WIRE