Originally Posted by FBinNY

Someone may correct me, but if I remember correctly all Sram controllers with numbers, such as X-3 or whatever, were only for Sram deraileurs, which have a different pull ratio than Shimano. Sram contollers made for Shimano derailleurs had names like Comp, Mtx, or Rocket.

So unless I'm wrong (someone will correct or confirm in short order), your first (and maybe only) problem is a lever/derailleur mismatch.

Do nothing for a little while until the next post.