Park lights will not turn off?

1991 CHEVROLET SILVERADO
238,000 MILES • 5.7L • V8 • 4WD • AUTOMATIC
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EDWARD ELLIOTT
  • MEMBER
  • 1 POST
Park lights won't turn off by the switch or when you pull the fuse.
Jul 13, 2022 at 9:27 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,273 POSTS
This means someone has wired power to the parking light circuit, here is the parking light wiring diagrams so you can see how the system works which is pretty basic, there are no relays that can stick on causing the issue. Here is a guide to help you check the wiring:

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (below). Please let us know what happens.
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Jul 14, 2022 at 6:30 AM
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