Pontiac Firebird IV (1993-2002) org/blk 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

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER RIGHT SIDE OF DASH) COURTESY/ READING LAMPS DK BLU/WHT WIRE GROUND POWER (BATTERY) COURTESY LAMPS POWER FEED GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) COURTESY FUSE 8 I/P COMPARTMENT LAMP I/P DIMMER SWITCH INSIDE REARVIEW MIRROR INSTRUMENT CLUSTER SYSTEM LEFT FRONT SIDE DOOR LOCK LEFT REAR COURTESY LAMP ORG/ WIRE ORG/BLK WIRE REAR COMPARTMENT LAMP REAR COMPARTMENT LID AJAR INDICATION SWITCH RIGHT FRONT SIDE DOOR LOCK RIGHT REAR COURTESY LAMP WHT WIRE

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER RIGHT SIDE OF DASH) COURTESY/ READING LAMPS DK BLU/WHT WIRE DOME LAMP GROUND POWER (BATTERY) COURTESY LAMPS POWER FEED GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) COURTESY FUSE 8 I/P COMPARTMENT LAMP I/P DIMMER SWITCH INSIDE REARVIEW MIRROR INSTRUMENT CLUSTER SYSTEM LEFT FRONT SIDE DOOR LOCK ORG/ WIRE ORG/BLK WIRE REAR COMPARTMENT LID AJAR INDICATION SWITCH RIGHT FRONT SIDE DOOR LOCK WHT WIRE

1 2 3.8L VIN K 5.7L VIN G AIR BAG IND ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (UNDER RIGHT SIDE OF DASH, NEAR BLOWER MOTOR) LOW COOLANT BRAKE FLUID LEVEL SWITCH (IN MASTER CYLINDER) BRAKE IND BRN WIRE BRN/WHT WIRE CHANGE OIL CHECK GAUGES IND ABS INOP IND CLASS 2 DATA CLUSTER ILLUM (5 BULBS) COOLANT TEMP GAUGE CRANK INPUT CRUISE CONTROL MODULE (IN ENG COMPT, ON LEFT FRAME RAIL FORWARD OF WHEELWELL) DAYTIME RUNNING LIGHTS MODULE (BEHIND RADIO, HVAC CONTRLS, LEFT OF GLOVE BOX) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (TOP OF LEFT FRONT FRAME RAIL) ENGINE CONTROLS SYSTEM ENGINE SPEED FASTEN SEAT BELT IND FUEL GAUGE GAUGES FUSE 9 GRY WIRE HATCH AJAR HEADLIGHTS SYSTEM HI-BEAM IND HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START HOT IN START HOT WITH LAMPS ON I/P DIMMER FUSE 16 I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) IND CTRL INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (BELOW REAR OF CONSOLE) INSTRUMENT CLUSTER LEFT TURN IND LOW COOLANT IND (1999 W/VIN G) LOW OIL IND LOW TRAC IND LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE M/T ODOMETER ODOMETER LAMP GND OIL PRESS GAUGE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PNK WIRE POWERTRAIN CONTROL MODULE (IN ENGINE COMPT, BEHIND RIGHT STRUT TOWER) PPL PPL DATA LINK CONNECTOR (UNDER DASH, TO RIGHT OF STEERING COLUMN) PPL VSS LO INPUT PPL/WHT WIRE PWR ACCY FUSE 7 RADIO (CHEVROLET W/ VIN G) REAR COMPARTMENT LID AJAR INDICATOR SWITCH REAR COMPT LID AJAR INPUT REDUCED ENGINE POWER (VIN K) RIGHT TURN IND SECURITY IND SERVICE ENGINE SOON IND (MIL) SERVICE VEHICLE SKIP SHIFT IND (VIN G) (PONT) TCS OFF ASR OFF IND (CHEV) SOLID STATE LOGIC SPEEDO- METER STRTR MINIFUSE TACHO- METER TAN WIRE TAN/WHT WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK (BOTTOM) (IN LEFT FRONT CORNER OF ENG COMPT) VEHICLE SPEED SENSOR (ON REAR SIDE OF TRANSMISSION) VOLT- METER VSS HI INPUT VSS IN VSS OUTPUT 4000 P/M WARNING SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER RIGHT SIDE OF DASH, NEAR BLOWER MOTOR) BRN WIRE COURTESY FUSE 8 DK BLU/WHT WIRE DRIVER DOOR LOCK DRIVER DOOR LOCK ACTUATOR DRIVER DOOR LOCK SWITCH DRIVER DR UNLOCK ALL DOORS LOCK UNLOCK INPUT LOCK INPUT PASS DR UNLOCK FRONT PASSENGER DOOR LOCK FRONT PASSENGER DOOR LOCK ACTUATOR FRONT PASSENGER DOOR LOCK SWITCH GROUND BAT INTERIOR LTS FEED GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK LEFT POWER MIRROR CONTROL SWITCH HARNESS BREAKOUT) LOCK ORG/ WIRE ORG/BLK WIRE RED WIRE RED/BLK WIRE TAN WIRE TRUNK/TAILGATE/ FUEL DOORS SYSTEM UNLOCK WHT WIRE WINDOW CONTROL MODULE BREAKOUT)

BLK WIRE BLK/WHT WIRE BRN WIRE DOWN ECB FOLDING TOP PUMP (LEFT SIDE REAR COMPARTMENT, BEHIND CARPETING) FOLDING TOP RELAY (BEHIND RIGHT SIDE OF DASH) FOLDING TOP SWITCH GRY WIRE HOT IN ACCY, RUN OR DURING RETAINED ACCESSORY POWER (RAP) I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) ILLUM- INATION LAMP NCA WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (UNDER CONSOLE, NEAR SHIFT CONTROL LEVER) PPL TAN WIRE W/ETA W/O ETA WHT WIRE WINDOWS CKT BREAKER

A/T SHIFT LOCK CONTROL ACTUATOR SOLENOID (IN CONSOLE, BLK/WHT WIRE BRAKE TRANSMISSION SHIFT INTERLOCK SWITCH DK GRN/WHT WIRE FORWARD OF SHIFT CONTROL LEVER) HATCH RELEASE RELAY HOT IN RUN, BULB TEST OR START GAUGES FUSE 9 I/P FUSE BLOCK ISOLATION DIODE (BTSI) (1 AMP) ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH PNK WIRE POWER TOPS POWERTRAIN CONTROL MODULE (PCM) STOPLAMP/TCC SWITCH ASSEMBLY TAN/WHT WIRE

1-2 SHIFT SOLENOID 17 18 19 20 PPL PPL 2-3 SHIFT SOLENOID 21 22 23 24 25 PNK PNK WIRE 23 24 PNK WIRE 3-2 SHIFT SOLENOID 9 10 PNK WIRE A/T AIR PUMP RELAY AUTOMATIC TRANSMISSION BANK 2 RIGHT FRONT HEATED OXYGEN SENSOR (IN RIGHT EXHAUST MANIFOLD) BLK WIRE BLK/WHT WIRE BLU LT WIRE BRN WIRE DK BLU WIRE GRN/ LT WIRE GRY WIRE HOT W/ IGN 1 RELAY ENERGIZED LO SW BANK 2 RIGHT REAR HEATED OXYGEN SENSOR (REAR OF RIGHT CATALYTIC CONVERTER) LT BLU/ WHT WIRE LT BLU/WHT WIRE LT GRN WIRE M/T MANUAL TRANSMISSION MASS AIRFLOW SENSOR (IN AIR DUCT, IN FRONT OF INTAKE MANIFOLD) NCA WIRE ORG/ WIRE ORG/BLK WIRE PESSURE CONTROL SOLENOID VALVE PNK WIRE PNK/BLK WIRE PPL PPL AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH RED WIRE RED/BLK WIRE REV SW REVERSE INHIBIT SOLENOID SECONDARY AIR INJECTION BYPASS VALVE (ON RIGHT FRONT FRAME RAIL) SECONDARY AIR INJECTION PUMP (ON RIGHT FRONT FRAME RAIL) SKIP SHIFT SOLENOID SW SW TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID TCC SOLENOID TRANSMISSION FLUID TEMP SENSOR UNDERHOOD FUSE BLOCK (BOTTOM) UNDERHOOD FUSE BLOCK (BOTTOM) ENG SEN FUSE WHT (OR GRY) WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

11 12 PNK WIRE 23 24 PNK WIRE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE OIL LEVEL SWITCH (IN SIDE OF OIL PAN) EXHAUST GAS RECIRCULATION VALVE (2000) (UPPER RIGHT FRONT CORNER OF ENG) FUEL LEVEL SENSOR FUEL PUMP FUEL TANK PRESSURE SENSOR FUEL TANK UNIT GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES FUEL PUMP FUSE AIR PUMP FUSE IGN IGN CTRL SIG IGNITION COIL/ MODULE 1 (AT TOP OF CYLINDER) IGNITION COIL/ MODULE 3 (AT TOP OF CYLINDER) IGNITION COIL/ MODULE 5 (AT TOP OF CYLINDER) IGNITION COIL/ MODULE 7 (AT TOP OF CYLINDER) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (UNDER CONSOLE, NEAR SHIFT CONTROL LEVER) PLUG PLUG SPARK PNK 26 27 28 29 WIRE PNK WIRE PNK/BLK WIRE PPL PPL 21 22 23 24 25 PNK WIRE PPL 7 8 RED WIRE RED/BLK WIRE REF LO SPARK TAN/BLK WIRE UNDERHOOD FUSE BLOCK (BOTTOM) FUEL PUMP RELAY UNDERHOOD FUSE BLOCK (TOP) WHT WIRE YEL WIRE YEL/BLK WIRE