No power on light switch headlights still do not work?

Tiny
KOEN LAURIJS
  • MEMBER
  • 1985 BUICK SKYLARK
  • 2.8L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 140,000 MILES
We are restoring the car listed above. We renewed the light switch but the headlights still don't work. Seems there is no power going to the light switch. If we short circuit power to the light switch the light work and the interior lights and power locks as well. The fuses are okay. So far we are not able to find were the power failure is caused by.
Wednesday, September 17th, 2025 AT 4:26 AM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,591 POSTS
So there is a circuit breaker that run the headlights:

Located Behind Instrument Panel, Near LH Side Of Glove Box.

If you cant find it I would run a 40 amp fuse to the main power lug of the switch, (red) the orange wire is the power input for the running lights. This should fix it. Please let us know what happens.
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Wednesday, September 17th, 2025 AT 9:41 AM
Tiny
KOEN LAURIJS
  • MEMBER
  • 3 POSTS
We could not find the circuit breaker so we used the second suggestion and the lights work :) TX
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Saturday, September 27th, 2025 AT 4:06 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,591 POSTS
Good to hear, please use 2CarPros anytime we are here to help. Can you please leave us a rating?

https://g.page/r/CZdEnyCkGgm6EB0/review

and

https://www.sitejabber.com/reviews/2carpros.com

Thank you!
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Saturday, September 27th, 2025 AT 11:10 AM
Tiny
KOEN LAURIJS
  • MEMBER
  • 3 POSTS
Hy Ken, Sorry to bother you again but are problem appears to be not completely solved. When the headlights are turned on for several minutes they start pulsating. You can hear it click in the light switch. Apparently there is to much current and it gets to hot. Wat can we do now?
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Sunday, December 14th, 2025 AT 12:17 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,591 POSTS
Heat will be causes by a bad connection in the switch or at the headlights themselves. I would check the headlight electrical connectors for corrosion/melted. If they look okay I would replace the headlight switch. Please let me know how it goes.
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Monday, December 15th, 2025 AT 11:50 AM

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