Oh another related question. I was opening up the underbody of my Dodge B3500 PW to get at the vacuum canister (a story for another time). What I found was a Sure Power Isolator in the expected cubby (I assume the V canister was moved elsewhere). But to my question:
If you're coming off the alternator and going to a B2B, do you need the isolator? Doesn't the B2B prevent the house battery from draining the chassis battery?
thx.glenn
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