12volt

The black plastic knob on the panel that selects Batt 1 or Batt 2 or both batteries has disintegrated. I tried Custom Marine Services but they can't help so I am currently resigned to turning the protruding switch spigot with a pair of pliars. Anyone know where I can get a replacement, please? I...

I left the 12-volt bible on board, so I can't look it up :-/ What is the best way of installing an unpluggable 12-volt device ? A screw terminal block that you unscrew every time you want to remove the device ... banana plugs ... ? I expect to be removing the wooden side panels in the...