Another electrical challenge

[Pascal]

On mine there is a battery switch in the gen room, above the port battery bank. The breaker is on the side of the solenoid box

 

[SKYCHENEY]

Its a fuse in the aluminum box that has the Guest main battery switches. Unscrew the cover to that box and you will see several fuses.

 

[Dazed338]

If you don't have an Owners Manual call Hatteras, and order one. Got one for my 1967 31C, Found wrapped spliced wires, shown in the diagram but not the location of them.