The only un-nerving part of the whole installation process is drilling a hole in your perfectly good transmission case
Lentech's instructions are top notch. It will definitely help to have a pressure gauge so you can properly set your TV cable. Lentech's instruction actually tell you the recommended pressure to set the TV cable without using the gauge block that's mentioned in the factory service manual (as it turns out, I have the gauge block). Then all you need to do is provide switched 12 vdc powered when you want to electronically "lock out" OD.