Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Pontiac Firebird IV

BUZZERS, RELAYS & TIMERS

ComponentComponent Location
ABS/ASR/TCS Relay(Схема №23) In underhood electrical center.
A/C Compressor Relay(Схема №23) In underhood electrical center.
Air Injection Pump Relay(Схема №23) In underhood electrical center.
Bose Radio Relay(Схема №27) Below center A/C duct, mounted to SIR bracket.
Coolant Fan Relays (2)(Схема №23) In underhood electrical center.
Defogger Timer (Rear)Behind left side dash, right of steering column.
Defogger Timer Relay (Rear)(Схема №25) Or (Схема №26) Part of A/C-heater system. Behind Center Of Instrument Panel
Foglamp Relay(Схема №23) In underhood electrical center.
Fuel Pump Relay (3.8L VIN K)(Схема №6) Forward of left kick panel, on footrest bracket, under carpet.
Fuel Pump Relay (5.7L VIN P)(Схема №2) & (Схема №6) Forward of left kick panel, on footrest bracket, under carpet.
Hatch Release Relay(Схема №27) Mounted to right side of SIR bracket, behind dash.
Hazard FlasherLeft Of Steering Column Mounted To Bottom Of IP Carrier.
High Blower Relay(Схема №50) Under dash, above left side of floor tunnel. On HVAC Duct.
Horn RelayUnder Left Side Of Instrument Panel, Mounted To Tie Bar.
Park Lamp RelayUnder Center Of Instrument Panel, Attached To Passenger Inflator Module Bracket.
Theft Deterrent Relay(Схема №27) Lower right side of dash.
Turn Flasher(Схема №9) Behind dash, to right of steering column.

BUZZERS, RELAYS & TIMERS

CIRCUIT PROTECTION DEVICES

ComponentComponent Location
Battery Junction Block (3.8L VIN K)(Схема №1) & (Схема №11) Next to battery. See.
Battery Junction Block (5.7L VIN P)(Схема №2) & (Схема №11) Next to battery. See.
Convenience CenterUnder dash, to left of steering column.
Fusible Links(Схема №11) On battery junction block.
I/P Fuse Block (3.8L VIN K)(Схема №1) & (Схема №9) Behind left side of dash.
I/P Fuse Block (5.7L VIN P)(Схема №2) & (Схема №9) Behind left side of dash.
Underhood Electrical Center (3.8L VIN K)(Схема №1) & (Схема №23) In engine compartment, on left inner fender panel.
Underhood Electrical Center (5.7L VIN P)(Схема №2) & (Схема №23) In engine compartment, on left inner fender panel.

CIRCUIT PROTECTION DEVICES

CONTROL UNITS

ComponentComponent Location
Body Control Module (BCM)(Схема №27) Mounted to HVAC module, above right dash insulator panel.
Cruise Control Module(Схема №23) In engine compartment, on left frame rail, forward of wheelwell.
Daytime Running Lamps (DRL) Module(Схема №8) Or (Схема №9) Mounted behind radio & HVAC controls, left of I/P compartment.
Electronic Brake Control Module (EBCM)(Схема №7) Under left side of dash, near kick panel.
Electronic Brake/Traction Control Module (EBTCM)(Схема №7) Under left side of dash.
Electronic Ignition Control Module (ICM) (3.8L VIN K)(Схема №1) & (Схема №36) At front end of left cylinder head.
Headlamp Doors Module (Firebird)(Схема №23) In engine compartment, forward of left wheelwell.
Ignition Coil Module (5.7L VIN P)(Схема №20) Front left side of engine.
Inflatable Restraint Diagnostic Energy Reserve Module (DERM)(Схема №51) Top of rear console.
Power Window Control Module(Схема №10) On center of dash mat, above floor tunnel.
Powertrain Control Module (PCM) (3.8L VIN K)(Схема №1) & (Схема №22) In engine compartment, behind right strut tower.
Powertrain Control Module (PCM) (5.7L VIN P)(Схема №2) & (Схема №22) In engine compartment, behind right strut tower. See.

CONTROL UNITS

MOTORS

ComponentComponent Location
Blower Motor(Схема №24) Behind right side of instrument panel.
Convertible Top Pump AssemblyLeft side rear compartment, behind carpeting.
Headlamp Door Motor(Схема №29) In front left and right corners of engine compartment.
Hydraulic Modulator Assembly(Схема №42) Front of engine compartment.
Seat Motors(Схема №49) Under respective seat.
Secondary Air Injection Pump (5.7L VIN P)(Схема №2) In engine compartment, on left frame rail.
Power Antenna AssemblyNear right rear wheelwell.
TCS Adjuster Motor Assembly(Схема №47) Top left side of intake manifold.
Traction Control Motor Pack(Схема №44) Mounted to left front frame rail, below hydraulic modulator.
Washer Pump MotorFront of vehicle, below engine hood latch.
Wiper Motor Assembly(Схема №53) Rear of left shock tower, mounted to dash panel, below left wiper mount.

MOTORS

SENDING UNITS & SENSORS

ComponentComponent Location
A/C Evaporator Temperature Sensor(Схема №2) Mounted in evaporator core.
A/C Refrigerant Pressure Sensor (3.8L VIN K)(Схема №1) & (Схема №22) Above right front shock tower near A/C low pressure cut-off switch. See.
A/C Refrigerant Pressure Sensor (5.7L VIN P)(Схема №2) & (Схема №22) Above right front shock tower, near A/C low pressure cut-off switch. See.
Ambient Light SensorOn top of dash, near defroster grille.
Camshaft Position (CMP) Sensor (3.8L VIN K)(Схема №1) & (Схема №39) On right front of cylinder block. See.
Crankshaft Position (CKP) Sensor (3.8L VIN K)(Схема №1) & (Схема №40) Lower front of engine, behind harmonic balancer. See.
Crankshaft Position (CKP) Sensor (5.7L VIN P)Under lower front of engine, behind harmonic balancer.
Engine Coolant Temperature (ECT) Sensor (3.8L VIN K)(Схема №1) & (Схема №16) Below throttle body, at front of engine.
Engine Coolant Temperature (ECT) Sensor (5.7L VIN P)(Схема №2) & (Схема №31) Mounted in water pump.
Engine Temperature Gauge Sensor (3.8L VIN K)(Схема №16) Below throttle body, at front of engine.
Engine Temperature Gauge Sensor (5.7L VIN P)(Схема №2) & (Схема №31) On right rear of engine.
Heated Oxygen Sensor (HO2S) Bank 1, Sensor 1 (3.8L VIN K)(Схема №1) Mounted in left exhaust manifold. See.
Heated Oxygen Sensor (HO2S) Bank 1, Sensor 2 (3.8L VIN K)(Схема №1) & (Схема №41) Mounted in catalytic converter, front exhaust tube. See.
Heated Oxygen Sensor (HO2S) Bank 1, Sensor 3 (3.8L VIN K)(Схема №41) Mounted in catalytic converter, rear exhaust tube. (Схема №1)
Heated Oxygen Sensor (HO2S) Bank 2, Sensor 1 (3.8L VIN K)Mounted in right exhaust manifold. (Схема №1)
Heated Oxygen Sensor (HO2S) Bank 1, Sensor 1 (5.7L VIN P)(Схема №30) Left exhaust manifold.
Heated Oxygen Sensor (HO2S) Bank 1, Sensor 2 (5.7L VIN P)At left catalytic converter.
Heated Oxygen Sensor (HO2S) Bank 2, Sensor 1 (5.7L VIN P)(Схема №46) Right exhaust manifold.
Heated Oxygen Sensor (HO2S) Bank 2, Sensor 2 (5.7L VIN P)At right catalytic converter.
Intake Air Temperature (IAT) Sensor (3.8L VIN K)(Схема №1) & (Схема №38) On air intake duct, forward of intake manifold.
Intake Air Temperature (IAT) Sensor (5.7L VIN P)(Схема №2) & (Схема №31) On air intake duct, forward of intake manifold.
Knock Sensor (KS) Bank 1 (3.8L VIN K)(Схема №1) & (Схема №35) On left side of cylinder block.
Knock Sensor (KS) Bank 2 (3.8L VIN K)(Схема №1) & (Схема №12) On right side of cylinder block.
Knock Sensor (KS) (5.7L VIN P)(Схема №2) & (Схема №46) On right side of cylinder block.
Manifold Absolute Pressure (MAP) Sensor (3.8L VIN K)(Схема №1) & (Схема №4) On top right of intake manifold between injectors No. 4 & 6.
Manifold Absolute Pressure (MAP) Sensor (5.7L VIN P)(Схема №2) & (Схема №33) On right front corner of intake plenum.
Mass Airflow (MAF) Sensor (3.8L VIN K)(Схема №1) & (Схема №16) In air duct, in front of intake manifold.
Mass Airflow (MAF) Sensor (5.7L VIN P)(Схема №2) & (Схема №31) In air duct, in front of intake manifold.
Oil Level Sensor (3.8L VIN K)(Схема №35) On left side of oil pan.
Oil Level Sensor (5.7L VIN P)(Схема №30) On left side of oil pan.
Oil Pressure Sensor/Switch (3.8L VIN K)(Схема №39) Top right side of engine.
Oil Pressure Sensor/Indicator (5.7L VIN P)(Схема №2) & (Схема №45) On top rear of engine, near intake manifold.
Theft Deterrent Shock SensorMounted in right rear quarter panel, on back side of wheel well
Throttle Position (TP) Sensor (3.8L VIN K)(Схема №16) On throttle body.
Throttle Position (TP) Sensor (5.7L VIN P)(Схема №2) & (Схема №18) On throttle body.
Vehicle Speed Sensor (VSS) (3.8L VIN K)(Схема №1), (Схема №21) & (Схема №37) On left rear of transmission tailshaft.
Vehicle Speed Sensor (VSS) (5.7L VIN P)(Схема №34) On left rear of transmission tailshaft.
Wheel Speed Sensor (Front)(Схема №32) One on middle of each steering knuckle.
Wheel Speed Sensor (Rear)On differential & on each wheel disc backing plate.

SENDING UNITS & SENSORS

SOLENOIDS & SOLENOID VALVES

ComponentComponent Location
ABS Solenoids(Схема №44) On ABS hydraulic modulator assembly.
Brake Transmission Shift Interlock/Interrupt (BTSI) Solenoid (A/T)(Схема №28) Forward of gear shift lever base.
Exhaust Gas Recirculation (EGR) Solenoid Valve (3.8L VIN K)(Схема №1) & (Схема №36) On top left front of engine.
Exhaust Gas Recirculation (EGR) Valve (5.7L VIN P)(Схема №2) & (Схема №30) At rear end of left cylinder head, near intake manifold.
Evaporative Emission Canister Purge Solenoid Valve (3.8L VIN K)(Схема №1) & (Схема №4) Right front of engine, next to injector No. 2.
Evaporative Emission Canister Purge Solenoid Valve (5.7L VIN P)(Схема №2) & (Схема №33) Right center of engine, mounted to manifold.
Fuel Injectors (3.8L VIN K)(Схема №1) & (Схема №4) Mounted on intake manifold, part of fuel rail.
Fuel Injectors (5.7L VIN P)(Схема №2) & (Схема №33) Mounted on intake manifold, part of fuel rail.
Idle Air Control (IAC) Valve (3.8L VIN K)(Схема №1) & (Схема №16) On throttle body.
Idle Air Control (IAC) Valve (5.7L VIN P)(Схема №2) & (Схема №18) On throttle body.
Reverse Lock-Out Solenoid (M/T)(Схема №34) On left side of transmission, near base of shift lever.
Secondary Air Injection Bleed Solenoid ValveFront left side of engine, forward of secondary air injection pump assembly.
Skip Shift Solenoid(Схема №34) On center of left side of transmission.
Torque Converter Clutch (TCC) SolenoidOn right side of transmission.

SOLENOIDS & SOLENOID VALVES

SWITCHES

ComponentComponent Location
Back-Up Lamp Switch (M/T) (3.8L VIN K)(Схема №21) On left side of transmission.
Back-Up Lamp Switch (M/T) (5.7L VIN P)(Схема №34) On right side of transmission.
Brake Pressure Differential Warning SwitchIn brake combination valve, below master cylinder.
Brake Switch (3.8L VIN K)(Схема №3) On brake pedal bracket.
Brake Switch (5.7L VIN P)(Схема №2) & (Схема №3) On brake pedal bracket.
Clutch Start Switch(Схема №3) On left side of clutch pedal bracket.
Cruise Anticipate/Cruise Release Switch (3.8L VIN K)(Схема №3) On left side of clutch pedal bracket.
Cruise Release/Brake Switch(Схема №3) On brake pedal bracket.
Cruise Release/Clutch Switch (5.7L VIN P)(Схема №3) On clutch pedal bracket.
Evaporative Emission (EVAP) Canister Purge Vacuum Switch (3.8L VIN K)(Схема №4) On top right of engine. On top of canister.
Evaporative Emission (EVAP) Canister Purge Vacuum Switch (5.7L VIN P)On top right center of engine.
Oil Pressure Indicator Switch (5.7L VIN P)(Схема №45) Rear of engine, below EGR Valve.
Park Brake Switch(Схема №51) & (Схема №52) At base of parking brake lever.
Seat Belt SwitchIn driver's seat belt buckle.
Second Gear Start Switch (3.8L VIN K)Left side of upper console.
Transmission Range Switch(Схема №51) & (Схема №52) Under center console, on base of shift lever.

SWITCHES

MISCELLANEOUS

ComponentComponent Location
A/C Clutch Diode (5.7L VIN P)(Схема №17) In A/C compressor clutch wiring harness, near alternator.
Blower ResistorsOn HVAC module, forward and left of temperature control cable attachment.
Data Link Connector (DLC) (3.8L VIN K)(Схема №1) Under dash, to right of steering column.
Data Link Connector (DLC) (5.7L VIN P)(Схема №2) Under dash, to right of steering column.
Distributor (5.7L VIN P)(Схема №48) Behind water pump.
Engine Coolant Heater (3.8L VIN K)Center bottom on right side of engine block.
Engine Coolant Heater (5.7L VIN P)(Схема №23) On left side of engine block, near oil level sensor.
Fuel Pump Prime Connector (3.8L VIN K)(Схема №1) & (Схема №19) In right rear corner of engine compartment.
Fuel Pump Prime Connector (5.7L VIN P)(Схема №2) & (Схема №19) In right rear corner of engine compartment.
Isolation Diode (BTSI)In harness 6 cm from inflatable restraint SDM breakout.

MISCELLANEOUS

CONNECTORS

ComponentComponent Location
C100 (Black, 10 pin)(Схема №19) Engine to forward lamp harness, attached to right wheelhouse.
C105 (Black, 8 Pin)(Схема №19) Engine to forward lamp harness, attached to right wheelhouse.
C120 (2 Pin)Forward lamp to wheel speed jumper harness, mounted to left frame rail.
C130 (2 Pin)Forward lamp to wheel speed jumper harness, mounted to right frame rail.
C140 (5.7L VIN P)(Схема №33) At right side valve cover.
C160 (3 Pin)(Схема №29) Left headlamp to forward lamp harness, behind headlight door bracket.
C165 (3 Pin)(Схема №29) Right headlight to forward lamp harness, behind headlight door bracket.
C200A (Black, 17 Pin)Forward lamp to I/P harness, between left kick panel & steering column.
C200B (Black, 18 Pin)Forward lamp to I/P harness, between left kick panel & steering column.
C200C (Gray, 13 Pin)Cross-car to I/P harness, between left kick panel & steering column.
C200D (Black, 48 Pin)Part of I/P harness, between left kick panel & steering column.
C210 (Black, 4 Pin)(Схема №24) I/P to engine harness, under right side of dash, behind right kick panel.
C215 (Black, 11 Pin)Forward lamp harness, to steering column harness, near base of steering column.
S216 (Black, 11 Pin)I/P to steering column harness, attached to base of steering column.
C217 (Black, 4 Pin)I/P to SIR coil assembly harness, near base of steering column.
C220 (Natural, 10 Pin)(Схема №24) I/P to engine harness, under right side of dash, behind kick panel.
C230 (Blue, 10 Pin)(Схема №24) I/P to engine harness, under right side of dash, behind kick panel.
C240 (Black, 6 Pin)(Схема №24) Cross-car to I/P harness, under right side of dash, behind kick panel.
C250 (2 Pin)Forward lamp harness to clutch jumper harness, near brake/clutch pedal bracket.
C270 (2 Pin)I/P harness to clutch jumper harness, near brake/clutch pedal bracket.
C300 (Black, 6 Pin)Seat jumper to driver seat harness, under driver seat assembly.
C305 (Black, 6 Pin)Seat jumper to passenger sear harness, under passenger seat assembly.
C310 (2 Pin)(Схема №5) I/P to driver seat harness, between driver seat rear mounting bolts, near No. 3 rail.
C405A (Natural, 4 Pin)Fuel tank unit pigtail to I/P harness, part of pass-through connector, forward of rear axle, to fuel tank unit.
C405B (Black, 10 Pin)I/P harness side, part of pass-through connector, forward of rear axle to pass-through.
C405C (Black, 4 Pin)Rear wheel speed sensor jumper to I/P harness, part of pass-through connector, forward of rear axle.
C420 (Convertible)I/P to center high mounted stoplamp jumper harness, located on left underside of deck lid.
C420 (Coupe)Hatch to center high mounted stoplamp jumper harness, left side of hatch.
C430 (2 Pin)Rear body to rear fascia harness, between rear fascia & rear end panel, on left side.

CONNECTORS

GROUNDS

ComponentComponent Location
G100(Схема №43) On right side of engine.
G101(Схема №11) On top of right shock tower.
G105(Схема №22) Near top right side of radiator.
G106(Схема №23) On top right side of radiator.
G109(Схема №13) On left front frame rail.
G110 (3.8L VIN K)(Схема №15) On right front of engine, above A/C clutch compressor.
G110 (5.7L VIN P)On right side of engine, just above starter motor.
G111 (3.8L VIN K)(Схема №14) On rear of manifold, near heated oxygen sensor engine harness.
G111 (5.7L VIN P)(Схема №20) On front of left cylinder head.
G200(Схема №54) On I/P mounting stud, behind kick panel, near base of left "A" pillar.
G201(Схема №54) On I/P mounting stud, behind kick panel, near base of right "A" pillar.
G301On floor pan, under center console, behind inflatable restraint diagnostic energy reserve module.
G305(Схема №5) On left rocker panel, at floor pan bar No. 3.
G310On roof, left of dome lamp, in hatch harness.
G320On body frame, above right rear wheelhouse.
G400On hatch release bracket, in rear compartment.

GROUNDS