I need to know which wire controls the ground and which wire recieves the 4th gear signal. A6 (pink wire), and B4 (yellow wire).
What I'm trying to do is find the wire that gets the ground signal from the ECM so I can manually lock up the TC for the dyno run.
What I'm trying to do is find the wire that gets the ground signal from the ECM so I can manually lock up the TC for the dyno run.