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Intermittent brake light failure

Tiny
DICK L. COLLINS
  • MEMBER
  • 1999 CHEVROLET MONTE CARLO
  • 3.1L
  • V6
  • 94,000 MILES
Third brake light works. Sockets when pressed come out to.314. Turn signals, and running lights work. Now, the headlights stay on except when ignition if off. I checked all bulbs, and pedal switch. Fuses all test great. I'm at a loss.
Sunday, February 2nd, 2020 AT 10:02 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

I attached a wiring diagram for you to view. Check the white wire highlighted from the stoplight switch to the turn signal switch for power with the brake pedal depressed.

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

If it has power, then test the wires highlighted for power out to the rear sockets. You may have a bad turn signal switch but needs to be confirmed.

Roy
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Monday, February 3rd, 2020 AT 4:04 AM

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