2024 FORD F-550 SD Electrical System Problems

Several dash warnings came on the dash. cruise control stopped working, hill assist, parking brake, many others. 4 wheel drive quit working!. I looked on line. Several forums stated to look for a loose connection at the rear of the truck, so it must be a rather common problem. I took the truck to the dealer, they refused to make a warranty repair because the cable was moved when the dump bed was installed. They said the cable was "bent" It is a cable, not a piece of glass. I am sure a new harness will be coiled and not shipped on a 6 ft x 12 ft pallet. . There was an issue with the same thing as I drove home from the dealer after hitting a hard bump when there was only a few miles on it. I called the salesman, but it claered and never returned, Until...