i recently installed an sct tuner on my 2000 dodge ram, i knew the tuner was gonna change my shift points but i was wondering how to adjust the tv cable so it shifts into overdrive sooner, its shifting into overdrive at 55mph, way to late imo

 

That's part of the programming. Adjusting TV cable won't change it. if you want it different, need to have a chat with Hemifever.