I have been reading the threads about 2wd Low. I want this capability on my truck. I have several friends with Jeeps that have had problems with the vacuum disconnect. Some times it the lines and a few have had problems with the "motor" on the front axle. Has anyone tried the 4x4 posi-lock? This is a cable device that does away with the vacuum lines and motor. I saw this product on sale in an ad in the last issue of Four Wheeler for $145. Just looking to see if anyone has actually used it. Thanks, JC Corder