So far, I haven’t read that anyone has found a camera aftermarket that works with the truck.
Unless you make a connector yourself or unplug from the backside fakra connector, GM does not sell their plug separately.
I have it mounted on the ramp door of a 8x20’ 7’tall enclosed trailer and it works. It has plenty of clearance on flat ground and make sure not to open it where I’d crush the camera on an uneven surface.
I really like the camera but GM really were idiots with the prograde trailering system. Only box style trailers work with all the features is annoying. I’d love to have trailer length indicator on my boat but setup as a boat- nope. Wireless magnetic camera would have been way to smart. The camera system doesn’t work with fifth wheel and gooseneck setups, you have to set them up as a bumper pull.