CW-
You sure can! my MJ has the AW4. The only reason I did this is because its not really wanting to shift with the transmission computer...and the only way i could get past 1st gear is to run w/o the TCU. without the TCU, you lost 2nd gear, and the torque converter. This was very simple to wire up, and the two guides I used were...
this, page 3 and 4
http://www.transonline.com/transdigest/ ... index.html
and this, just for an idea of how to wire it...
http://www.jeepforum.com/forum/showthread.php?t=354855
THanks for the complements guys.