Here is a site that sells ECU's.

http://www.trademotion.com/partlocat...?siteid=214295

And drill down to:

http://www.trademotion.com/partlocat...&catalo gid=1

I don't know if that long link will be valid.

They say the 12th digit of the VIN says it will be an early one if it is
a '1' and a later model if it has a '5' or higher.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

Casper wrote:
>
> Seems like my additional question didn't come thru, so here it is
> again...
>
> In regards to the 19 GC Ltd PCM, are they interchangeable?
> I have conflicting responses to this. On the one hand, I've been told
> the 93 is interchangeable with the 94-95, but just needs to be
> programmed. On the other hand I've been told the 93 computer is a
> specific model and limited to that year. Can anyone shed some light?
>
> I'd love to resolve my jeep issue and right now all fingers are
> poiting to a faulty replacement computer (pull from another 93?) but
> the tech is having trouble locating another 93. I'm having some
> trouble swallowing the difficulty in locating a replacement.
>
> All info greatly appreciated!
> `Casper