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Headlights blowing up

Tiny
JERRYWDAVIS
  • MEMBER
  • 1992 CHEVROLET SUBURBAN
  • V8
  • 2WD
  • AUTOMATIC
I have a 1992 Suburban that is blowing out the headlamps, both high and low beam. I cannot find a short, and it started happening with no notice. I have done no new wiring or had any front-end damage, and the new lamps blow out within minutes of installing them. Only the passenger side low beam does not blow out. The high beams and the driver side low beam all blow out.
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Monday, January 31st, 2011 AT 7:04 PM

2 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Why would a short blow them out? Seems to me like over voltage would be the culprit?
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Monday, January 31st, 2011 AT 7:58 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Is this sealed beam or composite? If it is a bulb you replace rather than the headlamp itself. You shouldn't handle the bulb glass with your bare fingers. Can leave a greasy spot, that spot can cause overheat. Just a thought.
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Monday, January 31st, 2011 AT 9:33 PM

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