i got a crane ignition with tech HI-6DI2 (Pt. No. 6000-6500adaper every is instaled in the car and it works great now im about to instal a portfueler and there is a yellow wire that needs to be connected to a tach signal. ON a ecu wich is a white wire on a ecu ,but it said if u usin an after market ignition u can use the tach signal of it. Know does any one know wich wire on crane ignition is a tach signal. Thanks