Courtesy lights are on

1996 BUICK REGAL
110,000 MILES • 3.1L • V6 • 2WD • AUTOMATIC
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WILLIAMOBLOUGH
  • MEMBER
  • 1 POST
Courtesy lights do not come on until starting car but do not go off until stopped shut off and ten minutes. Also, noticed door seems to try and lock or unlock while driving.
Feb 24, 2018 at 3:34 PM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
Hello,

This sounds like a bad door light switch which I would test using this guide and the interior light wiring diagrams below. Test for ground.

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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Feb 26, 2018 at 2:19 PM
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