Question about 1987 Chevrolet Suburban

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Brake light on the right not working when headlights are on

They work fine until I turn on headlights then the brake light switches to the reverse light and the blinker stays on

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  • Chevrolet Master
  • 21,873 Answers

Usually a sign of a bad ground on that light socket.

Posted on Dec 10, 2012

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6ya6ya
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Posted on Jan 02, 2017

Jay_from_Ma
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SOURCE: 2003 duramax 2500hd brake lights stay on when lights are on

You may have faulty wiring for your trailer lights. Look under the back of the truck where the wiring harness leads to the trailer wiring harness. Usualy it is a 3 way plug in the harness. Try unpluging the harness from the trailer wiring and just plug the other 2 wires into eachother
Hope this works for you!

Posted on Dec 17, 2008

  • 12 Answers

SOURCE: My chevy z71 96 running lights work, but not right brake/blinker

check for a short it could be anywhere in the line

Posted on Feb 16, 2009

dnewcombe1
  • 1564 Answers

SOURCE: 96 monte carlo rear window brake light works but

This is a common GM specific problem. Your turn signal switch contains an elaborate networking device that has to cancel brakelights while running a turn light. Often times the ground within the turn signal switch is lost causing your situation. After investigating such other possibilities as fuses and loose grounds it may become necessary to replace the turn signal switch. Thank you, Dana

Posted on Sep 21, 2009

  • 6 Answers

SOURCE: When I turn on my headlights, my radio goes dark

Check for a loose ground. on vehicles the ground is as important as a power wire if not i would suggest taking a closer look at your headlight switch.

Posted on Apr 30, 2010

  • 14585 Answers

SOURCE: Brakes Lights dont work on a 2006 Chevy Silverado

I've worked on these the first drove me crazy. its the turn signal switch every thing runs thru these. head lights, turn signal, brakes. except the third brake light. it runs directly from the brake switch. go figuare

Posted on Jun 22, 2010

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