there is a yellow box that has adjustung screws on it for adjusting something i was wondering what it is it has amc logo on it. also when i put it in four wheel drive and hit the gas i hear popping in the front left. when i changes axle joints in it the front left wheel bearing was a little stiff to turn compared to the other side does anybody know if i have to get a dropped pit man arm for a 3inch block lift if so where could i get one

 

Cruise control module, no drop on 3,replace hub

 

thanx alot that is going to help me