How to Install a Marine Dual Battery Setup for Your Boat How to Install a Marine Dual Battery Setup for your Boat. Adding a second battery to a boat is an easy project that helps lend peace of mind. By Jim Hendricks. The diagram above gives you an idea what it looks like to connect the positive terminals to the battery switch. Boating Magazine. 4. Tips - Installing a Battery Isolator on a Boat - YouTube Click to view on Bing2:43Learn the best way to install a battery isolator on your boat. Sign up for the PYS Newsletter: https://confirmsubscription/h/r/2EC1B4B1139EB78D Jeff Cote..Author: Pacific Yacht SystemsViews: 14K Boat Battery Isolator or VSR? | Boat Wiring - Easy to I really hate having to drag my accessory boat battery out to recharge it when away for a two week vacation in Canada. so one or the other seems to be something I could really use. The VSR seems to be a more complex solution - at least from what I've seen on the net. The boat battery isolator seems to do the same thing quite simply. Battery Isolator Wiring - Boat Building & Maintenance When you say the correct way is through the isolator, can you explain what is connected at each pole of the isolator, for example I have 2 poles on the isolator, lets say A and B, and then I have 3 wires (theres more than 3 but for ease of explanation) Cable 1 is the battery bank positive, Cable 2 is the Alternator Charge, and Cable 3 is the load (the boat). Boat Battery Wiring | Boat Wiring - Easy to Install I am planning on buying the Guest dual boat battery switch plus the wiring for my application. I have two questions before I put in my order: I am running the boat battery wiring from the switch to my two batteries. The boat is a 16 foot with a 50 HP Johnson. The batteries are a standard starting and deep cycle trolling (620-720 cca). Dual Battery Isolator Wiring Diagram For Sale - Boat Parts Low prices on dual battery isolator wiring diagram! Featuring a quality selection of Dual Battery Isolator Wiring Diagram in stock and ready to ship right now!