KIA, you've got it all wrong! <img src="/forums/images/graemlins/scared.gif" alt="" /> That's okay, though. I'm glad you wrote this before binding the NP242 t-case (if, indeed, that is what you have in your Cherokee).

"The Grand Cherokee has a totally different t-case (all wheel drive).....where the "Cheep Cherokee" has the same t-case's optioned in the Wrangler.....plus the "part time" 4wd locking differential option.
The part-time diff is just to keep it from binding on dry pave."

Part time four wheel drive can only be used in applications where the wheels will slip , such as: dirt roads, wet slippery roads, etc. Wranglers, as far as I know, do not come equipped with NP242 transfer cases. Wranglers (and some Cherokees), however, do come equipped with the NP231 t-case. <img src="/forums/images/graemlins/cheers.gif" alt="" />