This way even if your battery switch is off if your boat starts filling with water the pump will still kick on. Id rather have a dead battery than a swamped boat.
Alternator Connection To Batteries Sailboat Owners Forums
Sailboat battery wiring diagram. The boats bilge pump float switch. Most boats will have positive and negative busses where area wires come together. When you make your own wiring diagram use very large sheets of paper for clarity. Boat dual battery wiring diagram bass boat dual battery wiring diagram boat dual battery isolator wiring diagram boat dual battery wiring diagram every electric structure consists of various distinct pieces. Example of a draft wiring diagram for a simple boat. The following basic wiring diagrams show how batteries battery switches and automatic charging relays are wired together from a simple single battery single engine configuration to a two engine one generator and four battery bank system.
Each component ought to be placed and linked to other parts in particular manner. Equipment coming off a switchboard or circuit panel should be straightforward to trace. The battery should be a combo startingdeep cycle battery usually sold as a marine battery. Its pretty standard in boat wiring to bypass the main battery switch for one thing. Otherwise the structure wont function as it should be. An ordinary auto battery would do for starting and lights but for running a radio and other electronics something with a little more of a deep cycle capacity will be needed so the battery doesnt go flat while youre fishing and listening to the radio and leave you stranded when you try to.
For more detailed wiring guidelines please consult a qualified marine electrician or one of the many.