Originally posted by Paul Kienitz:
Originally posted by ZetecRacing:
[b]hector and I ahd already found hooking it up off the coil didn't give a correct reading we also tried different resistors and couldn't get a change in the reading off the coil.
It's a frequency signal, not a voltage signal, right?[/b]You're right. The frequency changes as the RPM's increase and decrease.