Starter stays engaged ONLY in park???

You don't necessarily have to "buy" one you can buy the terminals and rework them. They are Packard 56/ 58 but you want to be careful, look at them carefully and get the right ones. there's a little release tab, they pull right out. I just use a very small "jewelers" screwdriver and needle nose to get them apart. Lots of threads on this

Yeh sounds like progress.