And, to address your main question, there is no comprehensive wiring diagram for the 400, but there are some resources here that may be of use. I suspect the wiring schemes are similar across models. (View Post)
I'm also a fan of service manuals, but there are none available. I would be surprised is such a thing even existed for a travel trailer as they are typically assembled from a large collection of sour… (View Post)
Good point @N7SHG_Ham. There are lots of sources, including local shops that may well have these common items right in stock. For bearings, I would go armed with the industry P/N as that should be th… (View Post)
And while we are on the topic of wiring inside that cabinet... @Harwoodmary, getting back to your OP, fitting my cabinet required removal of the ventilation fan above the A/C. Since I was going to ne… (View Post)