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An alternator problem can cause: a discharged battery, poor light operation, and erratic engine operation. RELATED ARTICLES.
People also ask
Is my alternator charging my battery?
Yes, the alternator does charge the battery — if you're driving at highway speeds. Otherwise, the alternator is busy. All the onboard electronics, from your AC to the little lights on your roll-up windows, run on the alternator.
Are Duralast alternators remanufactured?
Duralast Starters and Alternators are remanufactured, replacing all wear components and mal-functioning assemblies, not just rebuilt with the original cleaned-up pieces.