why does my 2002 chevy s10 voltage meter is low when i start it then it goes too 12volt?

Asked by Jan 18, 2016 at 06:44 PM about the 2002 Chevrolet S-10 2 Dr LS Standard Cab LB

Question type: Maintenance & Repair

2 Answers

71,355

Your alternator is not working. 12 volts is the battery voltage that actually should be 12.5 V. The alternator charges at 14.5 volts.

1 of 1 people found this helpful.
18,515

The volt gauge isn't accurate in any way. As long as the battery light isn't on your ok. You can have someone check it with a voltmeter to be sure.

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