Question about 2003 GMC Envoy Xl

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Nothing power works

Well I got into my 2007 GMC sierra and it barely started and then i noticed nothing worked no power door locks no blinker, tail lights stay on

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  • blade065 May 25, 2009

    I had both of them checked and they said they were both fine. But thanks

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  • 30 Answers

This is probably due to a faulty alternator, or bad battery.

Attach the car battery to a second car, using jumper leads. If the accessories work fine in this situation, then you probably need to replace your alternator.

Posted on May 24, 2009

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