If you dont have a good diagram or youre intimidated by the arcane electrical symbols on the one you have make one from scratch using large paper. Equipment coming off a switchboard or circuit panel should be straightforward to trace.

How To Completely Rewire Your Sailboat The Tingy Sailor
Yacht electrical wiring diagram. Most are terminated with standard 8 ring terminals. From here the rest of the wiring is straightforward. See more ideas about boat wiring boat boat stuff. Nov 22 2017 explore john grimms board boat wiring on pinterest. Anytime you change the wiring or electrical components write it on the diagram. Only after those issues are settled should you start to consider other factors.
From a small sailing yacht to a very large motor yacht the first thing one needs to decide is how much electricity is needed. Positives to the terminal block and negative to the bus bar. A small yacht electrical system. 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. The battery should be a combo startingdeep cycle battery usually sold as a marine battery. When you make your own wiring diagram use very large sheets of paper for clarity.
Hanse sailing yacht owners manual wiring diagrams and schematics pdf on this page manuals for hanse 315 hanse 345 hanse 385 hanse 415 hanse 455 hanse 505 hanse 575 hanse 675. I am running the boat battery wiring from the switch to my two batteries. After that the question of how that is going to be produced must be tackled. If you have a good wiring diagram copy it and blow it up so that you can make clear notes and changes in the future. Just hookup your existing boat wiring infrastructure to the terminal block and buss bar. 255 time to complete.
Simple boat wiring diagram single battery.