The blue one is for a amp, power ant.,cd changer it gives power when stereo is on and the orange I believe is for your interior dash lights I believe its a dimmer wire to dim the faceplate
So I'm new to the forum have had the app for a Lil over a month have read just about every post in the past month and have been interest inthe ford 5.0 injector swap what did it do to your gas mileage