Pontiac Firebird IV (1993-2002) engine wiring harness junction block 2 (left front corner of engine compt) Wiring diagrams

1-2 SHIFT SOLENOID VALVE 2-3 SHIFT SOLENOID VALVE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH BATT (+) PPL BRAKE SW SIG IN 1-2 SS VALVE CTRL 2-3 SS VALVE CTRL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (PARTIAL) (UNDER DASH TO RIGHT OF STEERING COLUMN) DK BLU WIRE DK GRN WIRE DRL MODULE, STOPLAMP SWITCH, BOIDY CONTROL MODULE ENG CTRL FUSE ENG SEN FUSE ENGINE COOLANT TEMPERATURE SENSOR (FRONT OF ENGINE, BELOW THROTTLE BODY) ENGINE WIRING HARNESS JUNCTION BLOCK 2 (LEFT FRONT CORNER OF ENGINE COMPT) EVAP CANISTER PURGE SOLENOID VALVE, ELECTRONIC IGNITION CONTROL MODULE PNK WIRE EVAP CANISTER VENT SOLENOID VALVE FUEL TANK UNIT, A/C REFRIGERANT PRESSURE SENSOR GAGES FUSE 9 GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUMINATION LAMP INSTRUMENT CLUSTER LO TRANSMISSION FLUID TEMPERATURE SENSOR LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP MASS AIRFLOW SENSOR, HEATED OXYGEN SENSORS ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (NEAR SHIFT CONTROL LEVER) PCM GND PCM GND PCM IGN FUSE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN ENGINE COMPT, BEHIND RIGHT STRUT TOWER) PPL PPL PRESSURE CONTROL SOLENOID VALVE PPL VSS HI (SIGNAL) VSS LO (GROUND) PPL/WHT WIRE RED WIRE RED/BLK WIRE REV SECOND GEAR INDICATOR SECOND GEAR START SWITCH SHIFT INTERLOCK SYSTEM, HATCH RELEASE CIRCUIT SPLICE PACK STOPLAMP/ TCC SWITCH TAN WIRE TAN/BLK WIRE TCC/SHIFT INTERRUPT SWITCH THROTTLE ACTUATOR CONTROL MODULE (ON ACCEL PEDAL BRACKET) VEHICLE SPEED SENSOR (REAR OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

2-3 SHIFT SOLENOID VALVE ANTI-LOCK BRAKES SYSTEM AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (PARTIAL) (UNDER DASH TO RIGHT OF STEERING COLUMN) DK BLU WIRE DK GRN WIRE ENG CTRL FUSE ENG SENS FUSE ENGINE WIRING HARNESS JUNCTION BLOCK 1 (LEFT FRONT CORNER OF ENG COMPT) ENGINE WIRING HARNESS JUNCTION BLOCK 2 (LEFT FRONT CORNER OF ENGINE COMPT) EVAP CANISTER PURGE SOLENOID VALVE PNK WIRE EVAP CANISTER VENT SOLENOID VALVE FROM AUTOMATIC TRANSMISSION BREAKOUT FROM BCM BREAKOUT) FROM MAP SENSOR BREAKOUT GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (LEFT SIDE OF DASH) GAGES FUSE 9 INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP MASS AIR FLOW SENSOR ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (NEAR SHIFT CONTROL LEVER) PCM BAT FUSE PCM IGN FUSE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN ENGINE COMPT, BEHIND RIGHT STRUT TOWER) PPL PPL/WHT WIRE PRESSURE CONTROL SOLENOID VALVE RED WIRE RED/BLK WIRE REV SHIFT INTERLOCK SYSTEM, HATCH RELEASE CIRCUIT SPLICE PACK STOPLAMP/ TCC SWITCH TCC/SHIFT INTERRUPT SWITCH TAN WIRE TAN/BLK WIRE TORQUE CONVERTER CLUTCH SOLENOID VALVE 3-2 SHIFT SOLENOID VALVE ASSEMBLY TPS GND ECT SENS IN ECT SENS GND GND GND TRANSMISSION FLUID TEMPERATURE SENSOR VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

DATA LINK CONNECTOR (PARTIAL) (UNDER DASH TO RIGHT OF STEERING COLUMN) DK GRN WIRE ENG SENS FUSE ENGINE WIRING HARNESS JUNCTION BLOCK 2 (LEFT FRONT CORNER OF ENGINE COMPT) GAGES FUSE 9 GRY WIRE HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (LEFT SIDE OF DASH, INSTRUMENT CLUSTER LT GRN WIRE MANUAL TRANSMISSION MASS AIRFLOW SENSOR, HEATED OXYGEN SENSORS PNK WIRE POWERTRAIN CONTROL MODULE (IN ENGINE COMPT, BEHIND RIGHT STRUT TOWER) REVERSE INHIBIT SOLENOID REVERSE INHIBIT SOLENOID CTRL SERIAL DATA SKIP SHIFT IND SKIP SHIFT SOLENOID SKIP SHIFT SOLENOID CTRL SPLICE PACK PPL