ok guys (and gals) i know i have been asking a lot of questions, but hey, thats what we are all here for, right? well, i found out why the 4wd does NOT work on my truck. yeah, you guessed it, the vacuum hose. when you take your hand and squeeze that thing the hose goes into and then goes to the diff, the 4wd light comes on and works. but there is NO suction what so ever in that vacuum hose. traced the hose back, goes into the t-case. the hose appears to be fine. is there anything i should look for?

 

you'll get a lot more answers in the tech forum