No headlights brake lights except for the third the dashboard lights won’t come on

Tiny
SHANERS34
  • MEMBER
  • 1999 FORD EXPLORER
  • 4.0L
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
I went out to start it. It fired right up. Went to turn the knob to turn the lights on and I had no lights. The only brake light I had that came on was the third one above the back glass. So there’s no headlights brake lights except for the third the dashboard lights won’t come on. No parking lights the turn signals work and the reverse light works. I’ve checked all the fuses replaced the relay. But when I started the car the knob where you turn the lights on that was lit. But when I turned it over to turn them on it went off. The bright lights work on when I pull and hold them back to me.
Monday, May 6th, 2019 AT 10:46 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,379 POSTS
Hello,

It sounds like the auto lamp sensor could have gone out in the drivers mirror. to be sure lets check for power at each one of the fuses that run the system. Here is a guide that will help and the headlight wiring diagrams so you can see how they work, once we fix the headlights the running lights should work:

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

See where you are losing power. Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Monday, May 10th, 2021 AT 1:52 PM

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