Question about 1997 Chevrolet C2500

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My battery light came on while driving. In the manual it is short and sweet...says could be charging device problem. Battery is less that six months old. What is the range of possible problems

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The most likely problem is your alternator, but you can check with a volt meter to ensure that is your problem. Start your truck (use a battery charger or jump to start it if you need to) and put your meter on the battery post's. If your reading 13volts or so your alternator is working and maintaing voltage, however if your reading starts dropping to 10 or less(may take a few moments to drop) then it's probably your alternator. You can also check your battery's voltage before starting your vechile, if the voltage increases after you start the vechile then it seem to be charging.

Here's a start for you, hope this helps

Posted on Jun 26, 2008


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Under powering them can spike them and cost you an ECM.

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I would not operate this vehicle under anything less than an emergency situation.

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