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International Automotive Technicians Network
Re: 24v system one battery reversed polarity
Posted to HD/Fleet Forum on 8/1/2020

Only battery I found with reverse polarity was charged by the customer backward after it had gone dead. That one took me for a ride with a battery drain to the alternator since the diodes let it drain with reverse polarity. Till I hooked up the voltmeter to th... Login to read more.