Headlight relay location needed

1993 CHEVROLET 3500
74,000 MILES • 5.6L • V8 • 2WD • AUTOMATIC
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SKINNER ETHERIDGE
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  • 2 POSTS
Lost headlights put new ones in only getting 5 volts to back of new ones installed can't find relay.
Apr 27, 2020 at 5:34 PM
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STRAILER
  • CAR REPAIR CONTRIBUTOR
  • 54,354 POSTS
Hello,

There is no headlight relay for this truck I would test through the dimmer and headlight switch. Here is a guide to help you and the headlight wiring diagrams so you can see how the system works:

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

Check out the diagrams (below). Please let us know what happens.
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Apr 29, 2020 at 10:02 AM
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SKINNER ETHERIDGE
  • MEMBER
  • 2 POSTS
Thank you so much. it was dimmer switch. thanks again, Charles Skinner Etheridge
Apr 29, 2020 at 6:14 PM
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STRAILER
  • CAR REPAIR CONTRIBUTOR
  • 54,354 POSTS
Nice work, we are here to help, please use 2CarPros anytime.
Apr 30, 2020 at 9:54 AM
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