HEADLIGHTS INCLUDING LOW AND HIGH BEAMS DONT ...

  • Tiny
  • Anonymous
  • 1991 GMC Van
  • 100,000 miles

Headlights including low and high beams dont work. What is the cause?

Friday, January 4th, 2013 AT 4:41 AM

2 Answers

  • Tiny
  • saturntech9
  • Expert
  • 28,438 posts

Have you checked the fuses? Also do you have a multi meter to do some testing?

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Friday, January 4th, 2013 AT 4:45 AM
  • Tiny
  • caradiodoc
  • Expert
  • 24,980 posts

That's what you pay mechanics to diagnose. The most likely cause is a defective head light switch, especially if the tail lights also don't work. The next suspect would be the dimmer switch. Check both connectors for blackened terminals or signs of melted plastic.

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Friday, January 4th, 2013 AT 4:45 AM

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