ok.. kinda new to the scene.. i really want to know where the ecu, and the computer system, and all of the main electrical things for me to know.. i install a air/fuel gauge, but i know that it reading wrong so imma have to re-ground it.. also.. where is the ecu? is it the one in the engine.. or the one behind the stereo? thanks for giving me some 2gnt electrical 101.. =)