Question about 2004 Chevrolet TrailBlazer

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I have a 05 chevy trailblazer the head lights wont come on i have running lights an highbeam just wont come on on lowbeam

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Replace relay #46 in the fuse box. This is the relay for low beams. Or you could try cleaning the contacts first, which is what I did to fix this problem. I keep a new one in the glove box in case it ever really does go out. Very common problem for our TB's.

Posted on Nov 23, 2010

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1 Answer

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Check the bulbs with an ohms meter first before searching for more difficulties.

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1 Answer

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Likely you have a bad ground at the bulb socket! You can either clean it, add another ground wire, or both! Don't ground a power lead... Identify both running power and hi-beam power before making ground! You can use a test light to do this!

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