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Ford Master
3,218 Answers
- Posted on Apr 11, 2015
Re: battery light stays on after changing...
Is the system charging? You should have 14.2 14.6 volts at the battery. The charge light is controlled by the alternator internally. If the charging system is working, you could have a bad diode inside the alternator keeping the light on or a short/grounded circuit to the battery light
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