Question about 2003 GMC Sierra

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My runninglights wont work I replacedthe bulbs

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In the underhood fuse block is the park lamp relay , I would start there ! I hope we are talking about the same lights here ? Do you mean the daytime running lights or the lights that come on when you turn on the headlamp switch ? Not the headlamps the Park lamps !

Posted on Apr 13, 2015


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