And if you're running a Ford Duraspark ignition and having trouble with those connectors coming loose... You're a lucky guy!!!! ;D
Well, obviously not lucky in the normal sense, but most of us with those connectors have such a hard time getting them apart when we want to, that we'd probably trade for a little ease of use for awhile. Beats always having to break the tabs off and pry the daylights out of the two halves to get them apart for a module swap or wire re-routing.
Got pics of what you're talking about? No matter what type they are, the others' suggestions are good. Get rid of the bad/loose ones and replace with something more reliable.
Frankly, even if it's a Duraspark, it wouldn't hurt to swap out for some Weatherpacks (or better yet, what bsquared is offering) and never worry again. Even though that means having to do it again if you ever need a new ignition control module.
Good luck.
Paul