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Battery overcharging

(1999 Chevrolet Silverado 1500)
in Basin, WY on January 21, 2011
My volt gauge shows 17.0 when pickup is running.Could it be my alternator ?
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Popular Answer
on January 21, 2011
The voltage reguluator is typically internal to the alternator -- so indirectly, yes your alternator likely has an issue.
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