''94'' SEIRRA 8 CLD 140,000

1994 GMC Other

Ij have encountered a strange problem with my brake lights, my brake lights work when the truck is parked but when I turn on the ignition switch I have no brake lights and this problem seems to strange. I have checked the bulbs and what I can of the lines and not sure where to go from here with out a goose chase hope you can help thank you dcoy29
April 19, 2007.

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