Not everything is at it seems..
We purchased our used MH a couple of years ago. I asked about the house batteries and were told they only charge when the genset is running or plugged into shore power. What a pita always on trips and worrying about my house batteries going dead and having to hurry to shore power.
A few months ago I began doing some research and found out most MH have the engine alternator charge the house batteries...
I was in CW out west and saw a tech so I asked him his thoughts.. He went to my coach and started checking it then came to me stating mine did not have a fuse spot. He said mine was not equipped for alternator charging.. Hmmm... I later looked at the fuse holder and the tech was holding the cover up side down.. duhhh.. I did have a fuse in the slot.
A couple of days later I was looking under my dash for a loose camera connection. I saw another fuse panel with a fuse that had a red led light next to it illuminated. I knew that was an indicator the fuse is bad. I replaced the fifty-cent fuse not knowing what it went to. Viola other things started working and my alternator began charging my batteries. Now when I travel my house batteries stay charged.
The moral is just because others tell you it will not work find out on your own through investigating the problem.
3 CW, and independent dealer and Thor steered me wrong. I small fuse and had I not had the ignition key on trying to find the loose camera connection I would never have seen the red light on.
Keep plugging until you find the problem and good luck
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