ANSWER: Hi Rob, I have included two diagrams. The first one is the one you requested on hooking up 4 six volt batteries to your RV's House Battery system. The second one is for those folks that want to hook up 2 six volt batteries to their RV House Battery system.
Hooking up 4 six volt batteries to House Battery System
You might also want to take a look at the video below to see how easy it is to setup the house batteries properly.
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