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Brake lights dont work

Tiny
CYCOJC
  • MEMBER
  • 1983 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
I have a 83 silverado and the brake lights dont come on when I press on the brake pedal. Bulbs and fuses are good. Lights dont come on even with the stop lamp switch button depressed. Any advice?
Monday, January 17th, 2011 AT 3:59 PM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
The orange wire supplies voltage to the brake switch, should be hot all the time, is it? When the brake switch is activated the white wire goes hot, any voltage anywhere, use a voltage tester.
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Friday, February 26th, 2021 AT 10:50 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You will have to use a test light to determine that power is coming into the switch all the time and coming back out when the brake is applied. If that is working properly, then you could have a problem with the turn signal switch. The brake lights pass through it so the turn signals can cancel out the brake lights when necessary.
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Friday, February 26th, 2021 AT 10:50 AM

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