The 120v outlets for the fridge, tv, vanity in bedroom, and tv in bedroom all quit working. Reset all breakers but nothing helped. Not in the  GFCI circuit. Called Fleetwood, no response as yet.

Had a similar issue in our 2016 Excursion. All of a sudden a bunch of outlets just quit working. Decatur Service Center found an open connection in a junction box under the bed in the slide. From the schematics Fleetwood provided I knew it was either a bad breaker or a connection in that junction box. Knowing how to get to the junction box was another matter and since I was still under warranty I let Fleetwood fix it.  I recommend you get the drawings from Fleetwood to trace then give Tech Support a call.