Question about 2004 Chevrolet TrailBlazer

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Lights dimming While driving down the road at night once in a while the headlights will dim and bogs engine down?

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  • rock1514 Apr 22, 2009

    Ok thanks I will check into that

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My first thought:

This is caused by an electrical short circuit which is putting a big load on the alternator. The short could be pretty much anywhere -- the headlights would be one possibility.

The short may get worse and could possibly disable the vehicle.
I think you need a good mechanic.

Posted on Apr 22, 2009

  • Samuel Charles Spriggs Apr 22, 2009

    My second thought:



    Could be the alternator going bad -- which is a much better scenario.

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