Thread: Battery volts drop
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Old 03-21-2016, 04:17 PM
allcarfan allcarfan is offline
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hate to rehash this thread, but it seemed appropriate. is this voltage drop normal?

I have a 140amp powermaster alternator in my new back draft vehicle. all grounds and power leads are good. I get 14.66volts at my battery. I flick on my heater and the volts drop to about 13.4. Turn on electric fans, lights, etc, and I drop to about 12.
Last edited by allcarfan; 03-21-2016 at 04:45 PM..
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