If anyone has this wiring diagram, please help me out. I have a serious short that trips the main circuit breakers on the A and B lines. I cannot have both circuits live (shore power) at the same time. Any help will be appreciated.

I don't have a diagram, but I have the same boat and had the same problem. Turns out the clear nylon guides inside the shore power cable were broken off and were causing the short. Bought new cables and the problem went away. Before you go to spending alot of money try changing the cables.

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