Yes disconnect the battery before replacing the fuse. It shouldn't be needed but given that last time you tried to replace the fuse it popped during the process it might be wise to do so. (View Post)
You appear a little lost with this electrical stuff but you'll get the hang of it. At a high level the trailer has two separate electrical systems, 12V DC and 120V AC. For traditional camping with no… (View Post)
The push button switches have no lights, these are little orange "flags" that move into a visible position when the button is pressed. See here for a pic of a switch by itself : https://pdx… (View Post)
No, it doesn't matter if the 12V supply comes from the converter or a battery. Given that the interior lights work at least part of the 12V system is working. Next step would be to check the DC fuse … (View Post)