Battery selector wiring diagram - how to install a marine dual battery system adding a battery is an easy project using a dual battery selector switch from a pany such as blue sea systems bluesea measured as the length of positive wire from the source to the device and back to the source along the negative wire and the diameter or gauge of the cable 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 generator and four battery bank system span class news dt mar 10 2009 span nbsp 0183 32 resurrecting this to add some additional diagrams showing options for wiring dual battery systems as you may have noticed one limitation with a battery switch only setup is a lack of isolation.

flexibility hello i m getting ready to purchase some boat battery wiring but am curious about cable length matching in a dual battery setup i currently have a single engine connected to a dual battery selector switch i have the mon ground from the engine connected to the ground on battery 1 and that connection is jumped from the 1 negative terminal to the 2 battery negative terminal span class news dt may 08 2008 span nbsp 0183 32 similarily i m unsure of how to wire equipment in that needs to be wired in with the ignition also as stated above the wiring of the selector switch i thought i had it pretty well figured out until i glanced at the wiring diagram posted above and find great deals on ebay for battery selector switch in electrical lighting shop with confidence find great deals on ebay for battery selector switch in electrical lighting on off 1 2 all perko dual battery switch.

new with wiring diagram blue sea 6007 dual battery switch selector new style 28 99 buy it now free shipping 247 e series selector battery switch 9001e instructions mounting diagram reference battery management wiring schematics for typical applications m series e series and hd series battery switch operation diagrams articles the benefit of serrated flange nuts marine battery system wiring diagrams section ii battery selector switch and master disconnect with automatic battery isolator and automatic charging two batteries d installation of an isolator automatically isolates each battery lower charged battery will automatically be charged first two different size batteries can be used