So with battery's out, and checked, here's what I found,.battery's were only about an ounce low at each cell,.. and load tested fine....battery's
but I also noted that the cables were installed wrong,... happens a lot with battery banks as installers take the quickest easiest route ..
another ol timer say'n when adding second or third battery's to a bank, "IN ONE END AND OUT THE OUTHER !... doesn't matter which end is what.. pos. neg. just make it opposite on the other end of the bank..wired the way it was , one battery was getting way more charge,.. and taking waay more amp draw...
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