Re: 1978 AMF Crestliner switch panel diagram
Turn them on one at a time,see what comes on,label them.If nothing comes on when switced on it could be a power delivery problem or a broken component. I see one says wiper,should be running running lights,anchor light,bilge pump,dash lighting,or floor lights?? Accesory swithch? Just try em and see.
Grub