My 1999 jeep cherokee is only charging low voltage at low revs and my battery is now in poor condition. Sometimes the voltage gets 'stuck' at low voltage even when the revs increase.
Hi this sounds like the alternator is faulty, there is a voltage regulator on or in the alternator to obviously regulate the voltage to the battery , say when lights are on it increases the voltage to the battery to adjust for the flow from the battery, would suggest you either get it checked or replace it...hope this helps
Your alternator is on the way out,replace with new or rebuilt. you can remove alternator and have it bench tested to be sure.
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