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Why will my 94 GMC truck rear brake lights work with key off but not with key on? Third brake light works both ways.
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99 Chevy C2500 - Brake lamp switch diagram. Got the bitch out but can't seem to find a wiring diagram. I know it's a long shot but any help would be appreciated. :
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Amazon.com: Dorman 901-251 Brake Light Switch Compatible with Cadillac/ Chevrolet/GMC Models : Automotive
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