Brett,
I use Kroil penetrating oil to loosen anything. try to get it in both ends of the cable if possible. It is amazing stuff. It will creep and break the molecular bond that has "fused" the two parts together. The gunsmiths turned me on to it. They use it to free rusted screws in antique guns. See http://www.kanolabs.com/google/
John


"It wasn't broke but I still decided to fix it. Now its broke"
I really love my coon hounds
Pics at http://s982.photobucket.com/albums/...0truck/53%20Chevy%20truck%20Sept%202010/