Question about 2003 Chevrolet Silverado 2500HD

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03 chevrolet silverado brake lights will not work.

I have checked all fuses and they are good. The brake light on the cab works. All of the tail lamps are good. Every other function works. It has a trailer hookup also. All of the plugin connections have been checked. I checked the brake light switch and it is working.

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  • Anonymous May 14, 2009

    I have the exact same problem... cabin light works, but brake lights do not. I changed fuses and no fix, when I hit my alarm button the brake lights light up, but still don't when I step on the brakes.. I checked wring too and all is good... is there some kind of lead comming off break pedal that might be bad?

  • carhob May 11, 2010

    did u check voltage from brake light housing going to front elect.source,must have open circuit somewhere along route!



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You have a bad ground re test the trailer connection's

Posted on Mar 05, 2015


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I have checked all fuses and they are good. The brake light on the cab works. All of the tail lamps are good. Every other function works. It has a trailer hookup also. All of the plugin connections have...

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