Why do my Ford Crown Victoria headlamps turn off when engine warms up?

Asked by Jul 10, 2012 at 08:52 AM about the 2003 Ford Crown Victoria STD

Question type: Maintenance & Repair

Headlamps turn on when engine is cold, but will not turn on after engine warms up.

2 Answers

195

you have a bad ground somewhere. It's not that the engine is heating up its that electricity is flowing and heating up the poorly grounded area. More heat causes more resistance which will prevent your lights from working. Check the ground on your engine and where your headlights ground out.

2 out of 2 people think this is helpful.

Thank you, Patrick. I suspected the same, but have waited for confirmation.

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