I have a problem with one of the four 6v batteries that I just installed earlier this month. I have tested the voltage on all four and 3 of them read 6.4v but the 4th one reads 5.4v. It stays like th...
5.4v That battery is technically dead Are you sure it is not in there backwards Have you disconnected the wiring So you have the two pairs separate from each other Then read the voltage of each 12v pair Do you get 11.x on that pair, or something like 2v ?