Question about 2003 Chevrolet TrailBlazer

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Headlights will not work, highbeams work... changed the bulbs still don't work, fuses are also ok..please help

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  • greasemonky Jul 11, 2008

    no headlights , tail lights or parking lights {high beams work}. fuses are good . there is no power at any of the related fuses . when I run a hot wire to the fuses the lights work. This maybe just a faulty switch but I just want to verify it first.

    Where can I find an online wiring diagram for free ??/??

    does this model have some kind of over engineered headlamp module or some thing ????

    When I find out whats wrong with it tommorrow I will post it

    stay tuned

  • Anonymous Jul 18, 2008

    2005 trailblazer headlights don't work

  • bowhunterls Feb 09, 2009

    low beams are cutting off but higgh beams still work can you tell me how to fix

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  • 3 Answers

Sounds like a Body Control Module issue, maybe best to take to the dealer to check for Technical Service bulletins and or an existing saftey campaign(Recall).

Posted on Jul 27, 2008

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