Question about 2004 Chevrolet TrailBlazer

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How and where do I find a Power-Train control module on a 2004 Chevy Trail-Blazer

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  • yadayada
    yadayada May 11, 2010

    it is under the dash in a tray. about the size of a text book with a big 60 wire connector going to it.

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PCM , 04 trailblazer ..that depends on which engine you have .. if you have the 4.2 liter engine it is located on upper left side of engine , behind alternator , with 3 big connectors on it .. if you have the 5.3 liter engine it is located near lower left front of engine ..
J5

Posted on Jan 21, 2009

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Easyiest way to find info about any car you own is clymers books.helps to see if its something you really want to do yourself.

Posted on Jan 21, 2009

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