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Brake lights

Tiny
MBRYANT1215
  • MEMBER
  • 1994 CHEVROLET SUBURBAN
  • V8
  • 2WD
  • AUTOMATIC
The brake lights are not working on my 1994 Chevrolet Suburban. Also, the cruise control won't shut off when you hit the brake.
Sunday, June 26th, 2011 AT 5:51 PM

6 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
The first thing I would check is the brake light switch. Do you have mulimeter to do some testing?Also have you checked all fuses?
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Sunday, June 26th, 2011 AT 6:03 PM
Tiny
MBRYANT1215
  • MEMBER
  • 3 POSTS
Yes, I checked the fuses. Where is the brake light switch?
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Sunday, June 26th, 2011 AT 6:10 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
I agree with Sat9 on the brake switch 1st make sure all fuses checked out it controls the cruise control and the TCC
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Sunday, June 26th, 2011 AT 6:10 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
The brake switch is up under the dash under the brake pedal arm. So do you have a multimeter to do. Some testing?
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Sunday, June 26th, 2011 AT 8:00 PM
Tiny
MBRYANT1215
  • MEMBER
  • 3 POSTS
Yes, I have a multimeter.
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Sunday, June 26th, 2011 AT 8:16 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
You should have battery voltage at the orange wire going into the brake switch. Then check the white wire there should be no voltage. Then press the brake pedal and see if the white wire has battery voltage. Let me know what you find.
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Monday, June 27th, 2011 AT 12:30 AM

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