Boat Dual Battery Switch Wiring Diagram
Wally gives good advice that can be followed easily and can save you money in the long term if followed correctly.
Boat dual battery switch wiring diagram. Wally from the boating scene talks about dual manual battery switch set up. Install a dual battery switch on your boat a dual marine battery switch allows you to use two marine batteries and isolate them from each other. In this video i add a second battery to my boat the green machine. If you have a boat with just one battery its wise to add another giving you twice as much battery capacity in case for instance you inadvertently drain a battery with the stereo while the engine is off.
Proper battery management including switching and charging is essential for safe and reliable operation. 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. You can use the second battery to start the engine and then switch to the low battery to give it a charge while youre running. Batteries are at the heart of the electrical systems found on any boat or vehicle.
Having dual batteries that are selected with a switch will allow me to make sure i can always start the boat even if one battery. This avoids problems with both batteries accidentally draining leaving you stranded. Weve changed the diagram a bit now to show the start battery running through our new marine battery switch a double pole onoffcombine battery switch like this one is a great choice for a single engine two battery boat wiring system.