Batteries in Parallel
I bought a used 2004 Laredo that needs some work. I replaced both batteries with Costco 27's and wired them as previously done, in parallel. The batteries would not work. I had power to everything when on shore power or when connected to the tow truck, but nothing when standing alone. A volt meter said I was getting about 12.75 volts for each battery. When I disconnected one of the batteries completely. I get power on stand alone from the other battery. Any ideas what is going one?
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California, 2004 Laredo 28RE/2002 Ford F250 Diesel CrewCab
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