i want to see if anyone knows what this could be my trans acts like it is stuck in low drive it wont shift down or up it dont slip it just takes off slugish like it is takeing off in a high gear it idles great and runs good after you get up to the speed that the trans is in it only has revurse and drive is there something that makes it shift up and down there is a plug with like a 10 mm bolt that holds it in on the top of the trans there are two wires that go to it and they have been cut does anyone know what that is and what it is for

 

Speed sensor...............