98ExAccordwv
I'm Old
Most likely the alternator, I'm having the same problem.
When checking the root cause of an alternator failure, one of the first things that a tech should do is to sniff the alternator. If the alternator smells like a dead rat (rancid), the stator windings have been overheated by trying to charge a discharged [dead] or defective battery. If the battery voltage is continuously low, the voltage regulator will continue supplying full-field current to the alternator. The voltage regulator is designed to cycle on and off to maintain a narrow charging system voltage range.
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