Pontiac Firebird IV (1993-2002) splice pack Wiring diagrams

1 2 GROUND PUMP MTR CTRL 1995 VFTC ABS BATT MINI FUSE ABS IGN MINI FUSE ABS INOP INDICATOR ASR IND (CHEVROLET) TCS OFF IND (PONTIAC) BLK WIRE BLK/ WHT WIRE BRAKE INDICATOR BRAKE PRESSURE MODULATOR VALVE BRN/WHT WIRE DEL TOR DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (TOP OF LEFT FRONT FRAME RAIL) ENGINE WIRING HARNESS JUNCTION BLOCK 1 ABS BATT 1 MAXI FUSE ENGINE WIRING HARNESS JUNCTION BLOCK 2 GAUGES FUSE 9 GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT FRONT WHEEL SPEED SENSOR LF WHL SPD LF WHL SPD LR WHL SPD LR WHL SPD LO TRAC INDICATOR LT BLU WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK IGNITION DEL TORQUE WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (BEHIND RIGHT STRUT TOWER) PPL/WHT WIRE PUMP MOTOR REAR WHEEL SPEED SENSOR RED WIRE REQ TOR REQ TORQUE SIG RF WHL SPD RF WHL SPD STOP LP FD RIGHT FRONT WHEEL SPEED SENSOR SERIAL DATA SPLICE PACK STOP/HAZARD FUSE 1 STOPLAMP/ TCC SWITCH (ON BRAKE PEDAL BRACKET) TACH OUT TACH SIGNAL GROUND BATTERY BATTERY GROUND TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCS SWITCH TCS IND TRACTION CONTROL SWITCH WHT WIRE WHT/ BLK WIRE YEL WIRE

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

1 2 GROUND PUMP MTR CTRL 1995 VFTC ABS BATT MINI FUSE ABS IGN MINI FUSE ABS INOP INDICATOR ACCELERATOR CONTROL, ADJUSTER (FORWARD OF RIGHT FRONT WHEELWELL) ASR IND (CHEVROLET) TCS OFF IND (PONTIAC) BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRAKE INDICATOR BRAKE PRESSURE MODULATOR VALVE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE, TRACTION CONTROL MODULE (TOP OF LEFT FRONT FRAME RAIL) ENGINE WIRING HARNESS JUNCTION BLOCK 1 ABS BATT 1 MAXI FUSE ENGINE WIRING HARNESS JUNCTION BLOCK 2 GAUGES FUSE 9 GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR LO TRAC INDICATOR LT BLU WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK IGNITION TCS SIGNAL WIRE PNK WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT STRUT TOWER) PPL/WHT WIRE PUMP MOTOR RED WIRE REQ TPS SIG RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR RR WHL SPD RF WHL SPD RF WHL SPD STOP LP FD SENS GND SERIAL DATA SPK RTD SPLICE PACK STOP/HAZARD FUSE 1 STOPLIAMP/ TCC SWITCH (ON BRAKE PEDAL BRACKET) TACH OUT TACH SIGNAL GROUND BATTERY BATTERY GROUND TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCS BATT MINI FUSE TCS SWITCH TCS IND IGN RETARD LF WHL SPD LF WHL SPD LR WHL SPD LR WHL SPD THROTTLE POSITION SENSOR (ON THROTTLE BODY) TP SENS TPS RET ACC CTRL BATTERY ACC CRTL GROUND 560 1540 561 TRACTION CONTROL SWITCH WHT WIRE WHT/ BLK WIRE YEL 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

1 2 GROUND PUMP MTR CTRL 1995 VFTC ABS BATT 1 MAXI FUSE ABS BATT MINI FUSE ABS IGN MINI FUSE ABS INOP IND BLK WIRE BRAKE PRESSURE MODULATOR VALVE BRAKE WARNING IND DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (TOP OF LEFT FRONT FRAME RAIL) ENGINE WIRING HARNESS JUNCTION BLOCK 1 ENGINE WIRING HARNESS JUNCTION BLOCK 2 GAUGES FUSE 9 GROUND BATTERY BATTERY GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT FRONT WHEEL SPEED SENSOR LF WHL SPD LF WHL SPD REAR WHL SPD REAR WHL SPD LOW TRAC IND LT BLU WIRE NCA WIRE ORG/ WIRE PNK IGNITION WIRE PNK WIRE PUMP MOTOR REAR WHEEL SPEED SENSOR RED WIRE RF WHL SPD RF WHL SPD STOP LP FD RIGHT FRONT WHEEL SPEED SENSOR SERIAL DATA SPLICE PACK STOP/HAZARD FUSE 1 STOPLAMP/ TCC SWITCH TAN WIRE TAN/WHT WIRE WHT WIRE YEL WIRE

1 2 GROUND PUMP MTR CTRL 1995 VFTC ABS BATT 1 MAXI FUSE ABS BATT MINI FUSE ABS IGN MINI FUSE ABS INOP IND BLK WIRE BRAKE PRESSURE MODULATOR VALVE BRAKE WARNING IND DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (TOP OF LEFT FRONT FRAME RAIL) ENGINE WIRING HARNESS JUNCTION BLOCK 1 ENGINE WIRING HARNESS JUNCTION BLOCK 2 GAUGES FUSE 9 GROUND BATTERY BATTERY GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT FRONT WHEEL SPEED SENSOR LF WHL SPD LF WHL SPD REAR WHL SPD REAR WHL SPD LOW TRAC IND LT BLU WIRE NCA WIRE ORG/ WIRE PNK IGNITION WIRE PNK WIRE PUMP MOTOR REAR WHEEL SPEED SENSOR RED WIRE RF WHL SPD RF WHL SPD STOP LP FD RIGHT FRONT WHEEL SPEED SENSOR SERIAL DATA SPLICE PACK STOP/HAZARD FUSE 1 STOPLAMP/ TCC SWITCH TAN WIRE TAN/WHT WIRE WHT WIRE YEL WIRE

1 2 3 PNK PNK WIRE 1-2 SHIFT SOL CONTROL HI SPEED COOL FAN CONT LO SPEED COOL FAN CONT CMP INPUT 400 401 PPL 43 44 FUEL INJ 6 CONTROL 2-3 SHIFT SOL CONTROL 439 340 PNK IGNITION BATTERY WIRE 46 47 48 FUEL INJ 4 CONTROL FUEL INJ 5 CONTROL REFERENCE LOW 53 54 55 BYPASS IGNITION CONTROL VSS OUTPUT PCM GROUND PCM GROUND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE BYPASS CKP SYNC SIG CMP OUTPUT CMP SIGNAL COOLING FAN SYSTEM CRUISE MODULE, RADIO, INST CLUSTER 451 451 DATA LINK CONNECTOR (UNDER DASH, TO THE RIGHT OF STEERING COLUMN) DK BLU WIRE DK GRN WIRE DK GRN/ WHT WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE, TRACTION CONTROL MODULE ELECTRONIC IGNITION CONTROL MODULE (ICM) (AT FRONT END OF LEFT CYLINDER HEAD) ENG CTRL FUSE EVAP PURGE VALVE CONT EVAPORATIVE EMISSIONS (EVAP) CANISTER FUEL INJ 1 CONTROL FUEL INJ 2 CONTROL GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST, START HOT IN RUN, START IGN IGN CONTROL IGN VOLTAGE IGNITION KNOCK SENSOR (KS) BANK 2 (RIGHT SIDE OF CYL BLOCK) LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAF SENSOR INPUT THEFT DETER FUEL ENABLE REQUESTED TORQUE IN 229 463 MASS AIRFLOW (MAF) SENSOR (IN AIR DUCT, FRONT OF INT MANIFOLD) ORG/ WIRE ORG/BLK WIRE PCM BATT FUSE PNK TRANS RANGE A INPUT WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN ENG COMPT, BEHIND RIGHT STRUT TOWER) PPL PPL PNK 4 5 6 7 8 9 WIRE PPL/WHT WIRE PURGE SOLENOID (RIGHT FRONT OF ENG, NEXT TO INJ 2) RED/BLK WIRE REF LOW SERIAL DATA (CLASS 2) PCM GROUND SIGNAL SPLICE PACK STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (BOTTOM) PCM IGN FUSE UNDERHOOD FUSE BLOCK (TOP) VEHICLE SPEED SENSOR (VSS) (ON REAR SIDE OF TRANSMISSION) VSS HIGH VSS LOW WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE