Question about 2003 Chevrolet Silverado 1500

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Reverse lights come on when brake pedal pressed

Have not altered wiring just started on its own

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  • Chevrolet Master
  • 1,250 Answers

It could be a ground problems .. if ground at brake lights is not good then it could take it through back up lights
check all ground to rear end like parking lights,brake lights, back up lights and flasher
if you have a trailer harness check connections for trailer could be a big problem
hope it helps

Posted on Mar 31, 2014

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Posted on Jan 02, 2017

goofduck
  • 490 Answers

SOURCE: Brake lights won't come on when I press pedal.

if you can push the switch and it works then it needs to be adjusted to make it work

Posted on Sep 25, 2009

ourhowse
  • 2007 Answers

SOURCE: Brake lights

If you have an aftermarket trailer towing plug on it, that's where i would look first. Something is shorting out in there, or you have a broken wire or ground somewhere. Proabably near the back where gravel stones can hit.

Posted on Oct 07, 2009

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alicantecoli
  • 22095 Answers

SOURCE: Pressing brake pedal does not

the stop light switch is defective

Posted on Dec 31, 2010

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