Nope, not true at all. If your 2019 Cadillac XT5 came from the factory with a 7-way installed all you will need to do is plug in the Curt Echo item # C51180 and set it up. No additional wiring required. Some manufacturer's ship their vehicles without all the necessary towing fuses. GM is not one of them. If your power wire or ground wire isn't hooked up it's because someone removed them.
I have linked an installation video below along with the instructions so you can see how to get the... view full answer...
The etrailer Trailer Hitch # e62AR and the Curt Trailer Hitch # C13285 for your 2017 Cadillac XT5 are rated for capacity based only on the hitch, not the vehicle. You will be limited by the vehicle capacity, and not the capacity of the hitch. In this case, using either hitch with that large a trailer weight would void your warranty on the vehicle, but not the individual hitches. view full answer...
The Demco Kar Kaddy SS Tow Dolly # DM9713045 will ship freight with a weight of 795 lbs. It will come in 1 box with the main components of the Kar Kaddy SS pre-assembled for fast setup. The heaviest part within will be the main frame with the axle assembly.
According to Demco, the frame/axle assembly weights approximately 350 lbs. As for the other large parts, the tongue is approximately 125 lbs and the wheels, tires, and ramps will be around 175 lbs. view full answer...