The correct brake controller wiring adapter for a 2016 Ford F550 chassis for a Hopkins brake controller would be part # HM47855.
The wiring adapter would plug into the connector located behind the coin tray, as shown in the video I've linked for you. Fast forward to the 4:35 minute mark, and you can see where the connector is located. view full answer...
The torque specifications for the Draw-Tite Trailer Hitch, # 41537, can be found in the installation instructions which I have linked for you. They are directly below the second step in the instructions. We do not list the torque specs or state what they are in videos because the manufacturer of the hitch could change them. But we always keep the newest version of the instructions so they are up to date.
If you plan on doing some towing, I recommend the etrailer Ball Mount Kit, # 989900,... view full answer...