What is the most probable cause for complete electrical failure?

Asked by Apr 04, 2017 at 01:21 PM about the 1972 Pontiac Grand Prix

Question type: Maintenance & Repair

I started the car with no issues, once I pulled on the headlight switch the car died and I had lost all electrical power.

1 Answer

69,395

Check the wiring down by the starter. Make sure everything is clean and tight. If you still have the negative (-) battery cable bolted to the exhaust manifold, move it to the power steering pump mounting bracket. Power comes in from the battery. A catastrophic failure like this is going to be battery related. HTH. -Jim

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