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Brake Lights don't work

Tiny
BRITTANYNK
  • MEMBER
  • 1978 OLDSMOBILE CUTLASS
I have a 78 cutlass supreme and my brake lights don't come on when pushing on the pedal. They work when I turn on the hazards, and I've checked all the fuses and changed the stop light switch any other suggestions?
Monday, May 25th, 2009 AT 12:33 PM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hello, did you check for voltage going to the brake switch? Orange wire, should be hot all the time. When the brake switch is activated, the white wire goes hot, runs to the turn signal switch. I believe your brake lites and turn signal use the same bulb filament, just not at the same time. You may have to look at the turn switch.
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Monday, May 25th, 2009 AT 1:33 PM
Tiny
MARIO ALVARADO
  • MEMBER
  • 1 POST
Belt diatgram v6 1978 oldsmobile supreme
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Tuesday, March 6th, 2018 AT 8:42 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,574 POSTS
Please post your question here

https://www.2carpros.com/questions/new

Cheers, Ken
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Thursday, March 8th, 2018 AT 12:40 PM

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