1995 Chevrolet Corsica Q&A

1995 Chevrolet Corsica Question: Voltage problem

How can I know if I need to remplace the battery or the alternator, I got readings of 10.3 to 14.23 volts unestable, thanks for your answers -
Answer 1
bring your car to a Napa store and they can test the battery in the car -
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