I was hoping to confirm the correct way to connect my coach battery bank. I think I've got it wired incorrectly since performing some battery maintenance. The batteries appear to be charging (I've got...
Post a clear picture showing +- terminals. But they may be OK.
Check the back 2 batteries with a hydrometer.
Next load test the batteries to see if they are good. Were they new at 5/18 as the blue label implies? Kinda wonder how 3 month old batteries look that way. I'd certainly suspect a bad battery or 2.
Clearly there is terminal corrosion. It doesn't appear that any battery pads or spray was used. Clean all terminals and all cables.