I took the truck to get any ABS codes pulled and nothing came back to relate to this situation:
1. Wheel sensors faulty(already new about this). Replaced them and still skids to a stop. Guess the module has to be reset for it to function?
2. Faulty ground. Not sure if this has been like this since I got the truck, or if I accidentally left something not wired up correctly when I wired the brake controller in. OR I have multiple grounds along the chassis not allowing the ABS not to function.
Another Idea the shop gave me is the brake booster is on it's way out the door, but I don't hear hissing nor is the pedal really hard.
I'm going to replace the rear shoes and hardware, and adjust them once I get my brake cable in.
Probably going to replace my ABS module and see what happens.