Tail lights and brake lights not working properly

1979 CHEVROLET CAPRICE
309,887 MILES • 5.3L • V8 • TURBO • 2WD • AUTOMATIC
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GAROU
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  • 1 POST
I have replaced every fuse in the fuse box and all the bulbs in the tail lights, but when i turn on my lights at night only my headlights work. When i press the brakes my brake light will come on but my tail lights will not come on for nothing.
Feb 24, 2018 at 6:09 PM
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STRAILER
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Hello,

I would say the headlight switch is not working, but to confirm the issue use this guide to check for power coming out of the switch to the brown wire.

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

Please let us know what happens.

Cheers, Ken
Feb 26, 2018 at 2:39 PM