I don't know if this is the right forum, but I now have the Actron Scann tool to read codes on 83 through 92 models. Also reads ABS codes. It is the el cheapo version so it'* not great, but will help in a pinch!

I'm not sure that it will work on your ABS system, check the year range on that.

That'* correct Fuddy. I know it won't read ABS codes from 92-up. Not sure about earlier.