Not sure whether yours is same, but here's a shot of ours, from our 2000 FourWinds Hurricane 34K. Note that the panel is upright, so up is "connect", down is "disconnect".
Well, looks like I haven't used the forums enough to know why the photo doesn't show. Here's a direct link to the photo. Mods, you can edit my post to embed the image if you like. Here's the link... https://photos.app.goo.gl/5t7rQWHbBkxUJzjv6
If that's no help, then you'll need an electrical schematic, or a healthy sense of adventure coupled with reasonable familiarity with a multimeter.