[Gearhead999]

The TV cable adjustment will move the shift points up and down depending on position.

When the cable is too loose the tranmission will slip and shift quickly. Usually burns the transmission up in no time. When the cable is too tight the shift points are higher and firmer.

You need to read in the shop manual how to adjust it correctly. Sorry, I don't have one here.

BUT....I don't think you're going to find that the O/D isn't coming in because of the TV cable. Even with the cable out of adjustment it should come in too soon or too late.

Sounds like an internal problem to me.