Question about 1999 GMC Jimmy

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Backfire, and little power

1999 GMC Jimmy . I had my plugs changed one day everything was great. the next day I had the wires changed and now my light stays on and I have little power and to make matters worse my truck now backfires. I work with the disabled and cant be wothout a car for more than a day or two.

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The wires were crossed I got the fire order and redid them now it runs like a dream

Posted on Dec 24, 2008

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