If you have a GM automatic overdrive transmission, then you should be familiar with the TV cable. You may also know that an improperly adjusted TV cable can be disastrous to a transmission's life span ...

Proper installation and adjustment of the TV cable is the most difficult aspect of retrofitting a 700R4. Don't think of it as "just a kick-down cable"—on the nonvacuum-modulated 700R4 the TV cable ...