2002 Pontiac Firebird Formula, AutomaticFACTORY OEM SERVICE PROCEDURE

Electrical Component Locator: Miscellaneous

MISCELLANEOUS LOCATION

Component Location
A/C Clutch Diode (3.8L VIN K) In engine harness, near breakout to fuel injector No. 2.
A/C Clutch Diode (5.7L VIN G) In A/C compressor clutch wiring harness.
A/T Shift Lock Control Solenoid Diode Taped to instrument panel harness, near BCM breakout.
Audio Amplifier Behind rear quarter inner trim panel.
Blower Resistor In HVAC module.
Data Link Connector (DLC) Under dash, to right of steering column. See Figure.
Horn Below right headlight.
Ignition Coils (3.8L VIN K) On top left side of engine. See Figure.
Ignition Coils (5.7L VIN G) On valve cover, on top of each cylinder. See Figure.
Windshield Wiper Isolation Diode In forward lamp harness, near base of steering column.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.