Hello,
RADesigns Products LLC has been building shift controllers and shifters since 2008 and sells them world wide to off road enthusiasts.
A couple guys have gotten the trans to shift full auto after a manual to auto swap. Most don't try. I have never done it as I run full manual control on my auto.
The shift controller wires directly to the trans harness so really just connect and control the 1-4 shifting. You still need some kind of floor shifter, most use the stock XJ unit, they are cheap and easy to find.
Make sure your t-case has the right spline count to bolt to the AW4, there are 2 different splines. Most of that info can be found on this forum.
There really isn't much traffic here for my products but with selling hundreds a year someone should be talking about them somewhere. You can always email me, call or message. I answer all questions. There is a RADesigns Products FB page too that I get contacted through. Pirate4x4 is my No. 1 referral site by a huge margin and has been for years.