Headlight wont turn on

Asked by Alex May 15, 2015 at 01:13 AM about the 2006 Ford Mustang GT Premium RWD

Question type: Maintenance & Repair

both headlights turn on if the keys are in the ignition but the vehicle is off, once i start the
engine one of the headlights go out. also both of my brights wont work with the car on
either.

3 Answers
23,610

Dannyl answered 9 years ago

Start with 2 new bulbs and while it is still apart use a test light to verify power and grounds. what wires do what, hi lo and ground. Is it ok with 2 new ones or is there a problem before plugging in, during the tests.

Best Answer Mark helpful

Alex answered 9 years ago

Both randomly started working fine the last time I started it but I'll run the tests anyways. Thank you for the help

Mark helpful
23,610

Dannyl answered 9 years ago

Filaments that break could still make intermittent contact based on vibration, jarring or temp, so that can be a simple answer.

Mark helpful

Your Answer:

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