What does the alternator charge

wolfe10 wrote:
I am not aware of a single motorhome where the alternator does not charge BOTH chassis and house batteries.

If yours does not, pull out a voltmeter/get an electrician to find out what is wrong.

agree 100% with wolfe

If that was mine, it would absolutely be charging the coach battery's while running. Most likely one of the relays or solenoids went bad, or as simple as a single wire connection loose or dirty.
And honestly, if by some small chance it was not designed to charge the coach while running, some 4 gauge wire would be rugged up to make it so

Unplug and start the engine. Check the battery voltage. 13.4+ is charging.

I am not aware of a single motorhome where the alternator does not charge BOTH chassis and house batteries.

If yours does not, pull out a voltmeter/get an electrician to find out what is wrong.

I think this varies between models. It will be interesting to see what others answer. On my 2005 Fleetwood Excursion, the house batteries apparently don't charge from the engine alternator. I don't know why it was designed that way???

Bill

If everything is working as it should, yes, the alternator also charges the coach batteries.