its handy working in a jap import wreckers as i get first option with performance goodies but have dramas with wiring diagrams.I remove the items best i can but some wiring goes into the ecu.What i have is a Blitz power meter SJ and need to know the wiring diagram and also i have a Greddy turbo data link unit boost guage.I wired it up but not sure where the yellow wire goes.Anyone know the wiring diagram for that as well.Hope i get some info.