Quote:
Originally Posted by petefoss
I was told directly by Thor that my 31W class C on a Ford E450 chassis did not have a bidirectional relay.
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If that means there is no way to charge your house batteries from the RV alternator, that is really cheap and doesn’t make much sense. Both my 2005 class B and 2010 Class C (both not Thor) had a BIRD. When you are on a trip it makes no sense to have to plug in to recharge your house batteries. You must still have an emergency start switch? At least that allows you to recharge and start your chassis battery. If I did not have a BIRD or BCC I would consider installing a switch between the two battery banks to allow charging the house batteries while underway. The only problem with that is that you have to remember to turn off the switch when you park for the night and use your house batteries. If you forget, you risk running down your chassis battery with your house batteries and not being able to start the engine.
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