Hi Matt,
The Drive Wireless RV Backup Camera System # 324-000002 would not be compatible with the Furrion mount on the back of your trailer so you'd have to remove it and screw the included mounting bracket to the wall of the trailer. You'd also likely have a hole, or multiple, to fill from the old bracket so I recommend picking up some gasket maker to prevent any water from getting in.
The PWM wiring issue is more so with the truck and not the trailer or camera. Essentially the truck... view full answer...