Pontiac Firebird IV (1993-2002) brn 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 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

BLK WIRE BRN WIRE DK BLU WIRE DN DN UP UP DN UP DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH ECB FRONT PASSENGER WINDOW MOTOR FRONT PASSENGER WINDOW SWITCH GRY WIRE HOT IN ACCY, RUN OR WITH RAP ENERGIZED I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LEFT WINDOW SWITCH LT BLU WIRE RIGHT WINDOW SWITCH SOLID STATE (EXPRESS DOWN RELAY) TAN WIRE UP DN UP WINDOW CONTROL MODULE (MOUNTED TO CENTER OF DASH MAT, ABOVE FLOOR TUNNEL) WINDOWS CIRCUIT BREAKER

ANTENNA AUDIO AMPLIFIER (BEHIND RIGHT REAR QUARTER INNER TRIM PANEL) AUDIO RETURN BARE DRAIN RIGHT AUDIO SIG LEFT AUDIO SIG AUDIO RETURN GROUND SYSTEM PWR ON BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CD CHANGER-REMOTE PLAYBACK DEVICE (IF EQUIPPED) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK LT GRN WIRE GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN, ACC OR RAP I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) STG WHL CNTRL FUSE 3 INTERIOR LIGHTS SYSTEM 8 314 LEFT AUDIO SIG LEFT FRONT MIDRANGE SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR MIDRANGE SPEAKER PPL 1958 LEFT REAR SPEAKER SUBWOOFER ASSEMBLY LEFT REAR TWEETER SPEAKER LEFT STEERING WHEEL CONTROLS LR (-) LR (+) LT BLU WIRE LT BLU/BLK WIRE LT DK LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PNK WIRE POWER POWER ANTENNA SYSTEM PPL PWR ACCY FUSE 4 PWR ACCY FUSE 7 RADIO FUSE 17 RADIO RED WIRE RF (-) LF (-) LF (+) RR (+) RR (-) LR (-) LR (+) GROUND GROUND RIGHT AUDIO SIG RIGHT FRONT MIDRANGE SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR MIDRANGE SPEAKER RIGHT REAR SPEAKER SUBWOOFER ASSEMBLY RIGHT REAR TWEETER SPEAKER RIGHT STEERING WHEEL CONTROLS RR (-) RR (+) LR (-) LR (+) SIR COIL ASSEMBLY STRG WHL CTLR SYSTEM ON TAN WIRE WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 LEFT AUDIO SIG RIGHT AUDIO SIG AUDIO RETURN ANTENNA BARE DRAIN RIGHT AUDIO SIG LEFT AUDIO SIG AUDIO RETURN GROUND SYSTEM PWR ON BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CD CHANGER-REMOTE PLAYBACK DEVICE (IF EQUIPPED) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRN WIRE GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN, ACC OR RAP I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) INTERIOR LIGHTS SYSTEM 8 314 LEFT FRONT SPEAKER LEFT REAR SPEAKER LEFT STEERING WHEEL CONTROLS LT BLU WIRE LT GRN WIRE LT LT DK NCA WIRE ORG/ WIRE PNK WIRE PONTIAC ONLY (IF EQUIPPED) POWER POWER ANTENNA SYSTEM (PONTIAC) PWR ACCY FUSE 4 PWR ACCY FUSE 7 RADIO RADIO FUSE 17 RIGHT FRONT SPEAKER RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROLS RR (-) RR (+) LR (-) LR (+) SIR COIL ASSEMBLY STG WHL CNTRL FUSE 3 STRG WHL CTLR SYSTEM ON TAN WIRE YEL WIRE

A/T BATTERY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (UNDER RIGHT SIDE OF DASH, NEAR BLOWER MOTOR) BRN WIRE COURTESY FUSE 8 ENGINE CONTROLS SYSTEM HOT AT ALL TIMES I/P FUSE BLOCK INSTRU- MENT CLUSTER SYSTEM ISOLATION DIODE LID RLY CTRL LID RELEASE SIG LT BLU WIRE M/T NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH PARK/NEUTRAL POSITION SWITCH (UNDER CONSOLE, NEAR SHIFT CONTROL LEVER) PWR ACCY FUSE 7 REAR COMPARTMENT LID RELEASE ACTUATOR (IN CARGO COMPT) REAR COMPARTMENT LID RELEASE RELAY (BEHIND LEFT SIDE OF DASH) REAR COMPARTMENT LID RELEASE SWITCH SHIFT INTERLOCK SYSTEM TAN WIRE TAN/WHT WIRE WHT WIRE