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Farmall & IHC Tractors Discussion Board |
Charging a battery backwards
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Posted by marvin johnson on July 06, 2007 at 10:37:39 from (134.134.136.4):
My battery on my Super A was low and so i put the battery charger on the battery and charged it backwards (positive battery terminal on negative charger lead, negative battery terminal on positive charger lead.) I noticed this last night when I measured the battery with my digital meter and noticed that when I had the positive lead on the positive terminal and negative meter lead on the negative termianl I measured -6.08 volts.
The tractor would turn over but not start. I always thought that if you reversed the voltage on the starter that it would turn backwards being a DC motor. But the tractor was turning over meaning that the bendix did engage which means that the starter must be turning the correct direction.
Questions:
Has anyone charged a battery backwards in the past?
Does this hurt the battery?
I am discharging it using a small bulb and plan on charging it correctly. Any concerns in doing this?
Is it possible that i have damaged the generator or the starter in running with the battery backwards?
Replies:
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