1993 Pontiac Firebird Formula, AutomaticFACTORY OEM SERVICE PROCEDURE

Circuit Protection Devices

CIRCUIT PROTECTION DEVICES LOCATION

Component Location
Battery Junction Block
3.4L (VIN S) Next to battery. See Figure .
5.7L (VIN P) Next to battery. See Figure .
Circuit Breakers
Defogger/Power Seats In fuse block, behind left side of dash.
Headlight In headlight switch.
Power Windows In fuse block, behind left side of dash.
Convenience Center Under dash, to left of steering column.
Fuse Block
3.4L (VIN S) Behind left side of dash, near kick panel. See Figure .
5.7L (VIN P) Behind left side of dash, near kick panel. See Figure .
Fuse/Relay Block
3.4L (VIN S) In engine compartment, on left inner fender panel. See Figure .
5.7L (VIN P) In engine compartment, on left inner fender panel. See Figure .
Fusible Links
BTSI Solenoid (Rust) Forward of center console, taped to wiring harness.
All Others At battery, starter solenoid or battery junction block.
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When to See a Mechanic

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

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