cruise control stopped working!

What is your question?

a little background; cruise acted up a couple months ago, cured on its own. Check engine light came on a couple weeks ago. Replaced the cat to clear that up. Was told the cruise stops working when the check engine light comes on and functions when that issue is cleared up. Well, it has not started working yet, and it has been quite long enough to reset if that were the cause. Common causes? Stalk switch on the column? Fuse is OK btw. Any insight?