How To Wire A Boat | Beginners Guide With Diagrams | New newwiremarine›How to The Electrical Source: a Battery. In a boat electricity is stored in one or more batteries. The Main Battery Switch. In nearly all cases your boat wiring system should have a marine grade main Battery Switch Bypass Loads (Bilge Pump, etc) It’s pretty standard in boat wiring to bypass the Get the Source to the Boat’s Helm. The next step is to get the power from the house battery up to See all full list on newwiremarine Boat Switch Panel Rewire System - Complete, Ready to The Panel Rewire Kit is engineered for up to seven standard boat functions plus two accessory positions. It includes wiring for your Boat Horn , Navigation Lights , Bilge Blower, Bilge Pump , Aerator Pump , Courtesy Lights, Docking Lights , and two extra accessory switches.