No Brake Lights 2005 GMC - Automotive Wiring and Electrical


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No Brake Lights 2005 GMC

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spartacus
New User

Dec 27, 2008, 12:50 PM

Post #1 of 5 (2403 views)

No Brake Lights 2005 GMC	Sign In

2005 Gmc Sierra No brake lights on the bed,but the cab light works. Changed the switch on the brake pedal didn't fix, checked all fuses and bulbs OK. What could it be?

Thanks,

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Dec 27, 2008, 1:36 PM

Post #2 of 5 (2400 views)

Re: No Brake Lights 2005 GMC	Sign In

With a test light - is power at the switch and going thru it when pedal is pushed? Fuses test ok with test light?

T

Loren Champlain Sr
Veteran / Moderator
Loren Champlain Sr profile image

Dec 27, 2008, 1:54 PM

Post #3 of 5 (2398 views)

Re: No Brake Lights 2005 GMC	Sign In

Did you actually try NEW bulbs? I've run into bulbs where the filliments 'looked' okay, but.. Also, have had to replace a few of the lens assys on GM pickups. (they are like a circuit board on the inside, but the odds of having two of them bad.....)
Loren
SW Washington

spartacus
New User

Dec 28, 2008, 4:04 PM

Post #4 of 5 (2380 views)

Re: No Brake Lights 2005 GMC	Sign In

Problem Fixed

Hey Guys
Thanks for your help.
Let me explain what i did to fix.I replaced the brake switch at the pedal it started making a crunching sound when i pressed the pedal, then soon after no brake lights. So tonight i realized that i was checking the wrong bulbs.

I believe that the brake switch was bad and caused the bulbs to blow.Funny thing is that she just turned 100,000 miles.

Thank you all,

Loren Champlain Sr
Veteran / Moderator
Loren Champlain Sr profile image

Dec 28, 2008, 4:11 PM

Post #5 of 5 (2378 views)

Re: No Brake Lights 2005 GMC	Sign In

Good to hear you got it! Thanks for the reply. Have a great week.
Loren
SW Washington

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