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Charging house batteries

Posted: Sat Mar 24, 2018 3:25 pm
by smh1040us
I have a new to me 1998 24RB. In checkng out all the systems and appliances I notice that the chassis battery does not charge the house batteries.
Any ideas on what I should be looking for or is that normal?
Thanks for your help.
Mark

Re: Charging house batteries

Posted: Sat Mar 24, 2018 11:18 pm
by whemme
Mark, your chassis battery will never provide a charge to your house batteries. However, when you start the chassis engine, it's alternator, thru a special isolation relay that closes when you start your engine, will now provide a charge to your house batteries. Of course, the house battery master switch must be also turned on.

If this is not happening, then I would suspect the isolation relay.

Re: Charging house batteries

Posted: Sat Apr 07, 2018 10:49 am
by Merkur
Where is the isolation relay and what does it look like. I believe I have the same problem. On my old rv, the relay looks like an old ford starter relay. I have a 1995 Born Free and can't seem to locate it.