This morning I completed a mod to my 2014 Crusader 330MKS to allow me to move a TV from a bedroom wall mount to an outdoor mount under my awning.
I bought a Master Mount 403 with an extra wall mount bracket for $70 on eBay.
In the bedroom, I installed the bracket directly behind the front vertical channel that attaches the awning to the exterior wall. At this location, there is aluminum reinforcement inside the wall to which I secured the bracket with four 1-1/2" #12 sheet metal screws. The arms of the mount provide plenty of room to swing the TV out of the way to provide access to the bedroom closet.
I installed the exterior mounting bracket near the TV connection (RH basement storage bay) at a height that put it directly behind the master bedroom dresser. There is space behind the dresser drawers sufficient to install a 1x4 backer board tight to the wall that I could lag into with 3" SS #12 screws. Brackets seem very secure and more than sufficient to support my 32" LED TV that weighs 18 lbs. For travel, I'll remove from bracket and store on bed.
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2014 Crusader 330MKS Touring Edition
2006 Chevy 2500HD, Duramax/Allison
Firestone Ride-Rite air springs
SuperGlide hitch