I was browsing the interwebs for all kinds of things for my 2000 XJ. I came across this link
https://www.jeep.com/webselfservice/jeep/index.html?screenName=customer&country=us&emailUrl=goToEmailForm%2528%2527R%2527%2529
This link provide the Factory build sheet for your Jeep 1998 and newer! Pretty neat stuff! All you have to do is click on "equipment listing" and type in you 17 digit VIN.
Hells yeah! Thats sweet. Thx for the link Tyler.
john.