Ok here we go.......

I had the anti lock brake light come on and found left front hub assembly worn out so I changed out the entire hub assembly. While doing so I also found the slide pins on the caliper were frozen so I replaced the caliper and changed out both rotors for good measure. After driving to set the brakes the light came back on. After inspecting the front I found the sensor cable had rubbed the tire so I put the old sensor cable back on. Now the brake light comes on and I loose the anti lock brakes but the real problem is that when anti lock brakes are working the brakes are fine at speeds above 20 mph. Going 60 and doing a hard brake the truck brakes normally until 20 mph the the pedal gets rock hard and pulls hard to the right. I hear a noise when this happens but for the life of me can not describe what it sounds like. Wish I could. Once I come to a complete stop the pedal loosen back up to what I would consider normal. I checked the brake booster by pumping in down with engine off and again while running so I don't think its the VB. I had brake codes pulled and it appears every component dealing with brakes need to be replaced. I am at wits end here.

 

What about the front right side was it looked at?

 

new pads and rotors on both sides left side everything looks good

Its almost as if the antilock brakes are kicking in on just the front right at 20 mph or less