headlights stop working

1989 FORD F-150
140,000 MILES
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TYBMX26
  • MEMBER
  • 1 POST
They were working just fine till one night i went to turn them on and they didnt work the parking lights work and the harzards work but no head lights i replaced fuses, headlights, and headlight switch and my lights still dont turn on.
Sep 9, 2013 at 2:28 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,694 POSTS
Here is a guide to help you test and find where the power is being dropped.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

The headlight wiring diagram is (below)

Please let us know what happens so it will help others.

Cheers, Ken
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Apr 15, 2021 at 11:25 AM
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