Battery box filled with water
Another owner posted that the battery box was found full of water, I found mine that way, too. I don't have a battery switch, I just pull the fuse to keep the battery from over charging. With in 2 weeks, with rain, the box was flooded. Fortunately the battery top was above the top of the box.
Drilled drainage holes, no more floods.
I noticed when I removed the battery from the box that the wire ends had ring connectors that were way too big for the battery screw terminals. Not very good connections. They work, but just not the right way to do things.
All the wiring on the tongue leaves much to be desired. A small project when we get home.