Since the 12 Volt battery system plays such a vital role in the use and enjoyment of your RV, Battery Disconnect can give you peace of mind.. If your BATTERY DISCONNECT is for a two‐battery system, repeat the relay mounting and battery cable. Suggested wiring diagram for dual battery systems.. The larger 3/8" terminals are for main battery to starter connections only. The smaller 10-32 studs provide a separate circuit for alternator use. A wire the same size as the charge wire to the alternator can be used to supply power to the alternator if it is con-nected to the battery side of the disconnect, as illustrated in the diagram.
page 17 - use coach wiring only) green to system brown coach battery black - gnd white read volts battery coach chassis disconnect orange store intellitec blue to ignition switch relay yellow to system gray chassis battery purple 2-1/8" mounting holes 131 eisenhower lane north intellitec lombard, il 60148 630.268.0010 / 1.800.251.2408.. Battery Cutoff Switch Wiring Diagram. When it comes to automotive maintenance and safety, a battery cutoff switch is an essential component. It allows you to disconnect the battery from the electrical system, ensuring that no power flows to the various components of your vehicle. This can be useful in situations where you need to store the.