yeah, I've tried to sit down and organize stuff to figure it out, but it's such a daunting task I quickly shelve it for another day.
not only are a lot of the codes reused, but your truck is also missing a ton of codes because the chrysler computers literally don't have some of the the 86-90 info. your build sheet should be much longer. if you look at a 91 or 92's build sheet, it'll show you what I mean.