Well, 88bonnsse has the correct cartridge, the Actron CP9110. It really points to the two cables, and I've asked him to keep checking them, very specifically.
Meanwhile, I'm going to get the Actron cp9110 set or two from Tradervar on eBay so I can set up a working unit on my '94 and then be able to send that unit out to John so he can mix and match and get something working.
(If anyone would want to send out a unit in the meantime to John (East Coast), I'm sure that would be greatly appreciated. But I'm still going to go ahead and get my own units(Hans sold his I think, right?))
On ebay, I am cskjold5x4x, so that we can avoid bidding wars, whoever'* reading this