Ok, now riddle me this:
I got a Haynes' book for it and it has "vacume" controls going into the axle listed in it.
The hubs definantly engage and disengage because you can feel the difference turning. Backing about 30 feet with the 4W off seems to disengage them.
Hmmmm, more research forthcoming.
Rob <img src="/forums/images/graemlins/confused.gif" alt="" />

2000 KIA Sportage 4x4, Sadly Smushed! Now a 2001 Cheep Jerokee. 3" Rough Country Lift, 255/70/16 General AT2's
http://www.cardomain.com/ride/2292811