High beams don't work

Asked by Oct 23, 2016 at 10:19 PM about the 2003 Pontiac Grand Prix GT

Question type: Maintenance & Repair

I have a 2003 Pontiac grand prix gt and the
high beams don't work and my low beams
are dim. But I'm not sure where the fuse is
for it to check that.

1 Answer

65,065

Do the taillights and parking lights come on with the headlights? If not it sounds like the daytime running lights are on all the time. This could be a shorted light sensor on the top center of the dash or a bad DRL module. Try turning on the headlights manually. Do they work correctly then? But if indeed the headlights are coming on automatically. I'd suspect a bad dimmer switch. HTH. -Jim

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