The camera wiring prep is different than the Trailer Surround-View cam system. I believe the wiring on the truck side is the same, but software is enabled in the uConnect to allow the surround camera in addition to a single Aux camera. The surround-cam system supposedly is only available from factory when truck is ordered but I'm sure Alfa-OBD can address it.It's listed as "Trailer Camera Wiring Prep Package by Mopar®"
Not sure if that's different from you posted, but I think it is.
It will be next summer before I'm able to try out the surround cams.