On your 2016 Ford Transit T350 it sounds like you have the hardwired 7-way and a damaged brake controller.
My recommendation is to replace your wiring with the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C56327 and then the # ETBC7 which is recommended for your vehicle. This will work with any brake controller you desire as a replacement. I've linked a page to all your options.
This will give you the module you referenced and the circuit breakers needed... view full answer...
Yes, just the box portion of the Rola Tilting Enclosed Cargo Carrier # 59109 or 59110 is available with part # 10188. Pricing information is available on the product page. view full answer...
For the breakway switch and wiring for your Roadmaster Even Brake # RM-9400 you will need the following parts:
-Replacement Breakaway Switch for Roadmaster Supplemental Braking Systems - Qty 1 # RM-650898
-Roadmaster Breakaway Harness for Even Brake Braking System # RM-650900
The center pin on the 12V plug on the RoadMaster Even Brake Motor Home Monitor # RM-9410 doesn't have a replacement or repair kit. You can either replace the entire thing or cut the plug off and use a generic 12V... view full answer...