1988 Pontiac Firebird Electrical Failure
Suggested Repair
Check all grounds and use a test light to verify power through the fusible links at the starter. If those are good, lower the steering column and test the ignition switch mounted on top of the column for power into the switch and power through it when the key is turned.
Conversation Summary
A 1988 Firebird with a 305 TBI lost all electrical power while driving after earlier rough running and ignition parts replacement. A new battery did not restore power; only the dome light worked, and the horn sounded until its wires were disconnected. The owner suspected a worn ignition switch or neutral safety switch. The expert advised checking grounds and fusible links at the starter, then testing power into and through the column-mounted ignition switch with a test light.
