Originally Posted by gugie

Dang, I just sent out a set of those a month ago, no longer have them or else I'd diassemble them and try to figure out what's going on.

Looking at your pictures, however I think you've got them reassembled improperly (I may be wrong here, but somebody else will correct me). There's a slot on the cable housing stop assembly that should fit into the shift lever holder tab (I'm making up the technical terms as I go along here.

I think a picture would help:



Here's a set on eBay (Motobecane branded, but same shifters, I believe): Motobecane Stem Shift Levers Set Front Rear Derailleur Vintage Suntour Power | eBay
See if that works and report back.