hey what do i have to do to put a dana44 under the rear end of my XJ

so i have a rear end out from under a wagoneer its a dana 44 with the same gear ratio as my front end. and i dont know what im going to have to do to put it underneath my XJ. any help or advice on how to bolt it up or what i have to do to bolt it up would be greatly appreciated thanks guys.

Cowboyin an XJ

What kind of Wagoneer? Or the small one like yours? If small, it is also an XJ and it should bolt in. Driveshaft length may be slightly different.