I just got a new 88 XJ yesterday and everything was good but the door locks, didn't have the key. I just figured I would go to the part store and grab a new set. But much to my surprise none of the sets that oriellys, maps, and autozone had matched my old locks. Theirs had two posts that came off the back of the cylinder. Were mine has a single post which holds a tab that attaches to the control rod. The chiltons manual has the same image as what I have. I'm at a loss, any know the correct part number or how to fix this. I really can leave it unlocked all the time.

 

I had the same problem with my '88. I ordered the new cylinder from Ebay and took it to a locksmith to have it set to the key I already had. You don't have to have it rekeyed if you don't mind one door being a different key. O'reilly's gave me option to order them but I chose to get them from ebay. The ones on Ebay were the same manufacturer for less $$$.

http://www.ebay.com/itm/Standard-Mot...#ht_1314wt_905

 

My door locks are shot u could unlock it with anything probably I'm thinking of replacing them what's the easiest way

 

Those are the same locks that I found at every part store, which didn't match the lock system that was in my XJ. I said screw it and went to the junkyard and found another 88 that had the same lock set as mine. I will take them up to a locksmith and have a key set made. Unfortunatly the rear hatch lock was shot so I will have to find that one some other time. At least my doors will lock now. I will just have to back it in so that the rear hatch can't be opened.
What I don't get is that what was in the door matched my lock but every part store had the wrong lock cylinder.

 

It's it a pain in the a$$ the chance the door locks

 

If you haven't already, Here is a site with PDF format Mopar - Chrysler OEM parts catalogs for your year XJ. These are handy because they show exploded views of every thing. Not just for the part numbers.http://www.xjjeeps.com/ And it is FREE. Try a stealership?