headlights go on and off why?

2001 SUZUKI VAN
85,000 MILES
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BOBFRANC
  • MEMBER
  • 2 POSTS
after driving awhile the headlights go off both high and low beam. turn signals still work. lights come back on after about 40 seconds.
Feb 19, 2012 at 3:41 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
It could be a faulty relay or switch.
Feb 19, 2012 at 8:39 AM
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BOBFRANC
  • MEMBER
  • 2 POSTS
could it be a voltage regulator?
Feb 19, 2012 at 5:30 PM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
No, voltage regulator faults would result in battery draining and affects all electrical components.
Feb 20, 2012 at 5:22 AM
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