The battery system on most boats can be broken down into two parts: a starter battery and a trolling-motor battery system. The 12-volt. wiring diagram 12-Volt
Trolling Motor Wiring Diagrams While small and medium trolling motors use a single 12v marine battery, larger trolling motors use larger 24v and 36v systems,
John Boats, Bass Boat, Pontoon Boat, Kayaks, Boat Wiring, Boat Battery. . Generic boat wiring diagram by Silvertip Page: 1 – iboats Boating Forums 191825.