Hello guys First, Welcome to me cuz Im new in the forum =). Hellp I just installed my 4efte, with a front mount, boost control and Fuel regulator (its running on 10 PSI =). Well the problem is I bought the Fuel/Air the lights one (Not wideband with numbers) I really dont know exactly i have to put the sensor. Actually I wanna know how the in the meter have to be the colors are Red/Orange/Gren. This is the one i got. Please guys help me =) Luis Olivo Republica Dominicana