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Why does the alt light stay on?

Updated: 8/16/2019
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16y ago

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Check to see if the alternator is charging the battery properly. Use a voltmeter - if fully charged battery should read approx. 12.8 without engine running Should read approx. 13.8-14.2 with engine running if alternator is working properly

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Q: Why does the alt light stay on?
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