Central Axle Disconnect (CAD) System Troubleshooting 4WD dodge trucks from 94-early 02’ had a CAD system for the front axle. It messes up a lot so here is a rundown on how to track the problems. One alternative is a posi lock cable that allows you to engage the CAD manually, eliminating a lot of problems. http://www.4x4posi-lok.com/ Vacuum Lines There are 4 vacuum lines that serve a purpose for the CAD. First off i