Headlights inoperative

2003 CADILLAC DEVILLE
160,000 MILES
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OWEN ARMSTRONG
  • MEMBER
  • 1 POST
Headlight switch testing information needed.
Apr 4, 2018 at 8:26 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
Hello,

Here is a guide to help you see how to test for power lose and the headlight wiring diagrams as requested:

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

Check out the diagrams (below).

Let us know what happens and please upload pictures or videos of the problem.

Cheers, Ken
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Apr 5, 2018 at 12:31 PM
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