The TV cable adjusts a control pressure, based on, obviously, how open the throttle valve is. The governor pressure is based on transmission speed. The control pressure fights against the governor pressure in the shift valves, along with a calibrated spring, to determine shift points in a non-electronic transmission.
If it was shifting oddly before... it may be a bigger issue than just the TV cable. What did the fluid look like?
[This message has been edited by carbon (edited 05-15-2014).]