It most likely will, grand Cherokees didn't change much those years. As long as they are both grand Cherokees, and as long as one isn't a Cherokee and the other is a grand Cherokee.
Yes
yes, the 2 door grand prix uses the same door from 1988 to at least 1996
If the 4.0L is from a 1993-1995, then yes.
The block is the same, everything else will need swapped.
Yes it will the only thing that changed from 94 to 98 was the placement of the foglights, placement of some badging and the interior was revised. All the suspension and drivetrain parts are interchangeable.
yes.
NoNo
it should fit
It is located in the console on a 95 jeep grand cherokee.
No.
10w30
I believe you can get Grand Cherokee seats with warmers to fit in the Wrangler, you will have to rig up the wiring yourself though.