Okay were do I start.Replaced relay board because of bad switch on board an now car only run top to bottom no intermediate stops.Talked to others around an they say these units only good for 10,000 runs an you need to reprogram.Unit was running before board replacement so put old board back in an same out come.Tried to use world tool but was told need hyper terminal for windows xp or earlier.Has anyone else run into this issue