Quote:
Originally posted by Pollo_loco69:
Quote:
Originally posted by Paul Kienitz:
[b]It's a frequency signal, not a voltage signal, right?
You're right. The frequency changes as the RPM's increase and decrease.[/b]
I think there's a simple chip you can get at Rat Shack if you need to double or triple a frequency... but of course since someone found the tach signal point on the computer, this isn't needed.

96 GL Zetec ATX, white with pinstripe, nickname " Sam Smooth "
mods so far: CTA intake with homemade heat shield, KVR drilled front rotors & carbon pads w/ 500° fluid
planned mods: exhaust (want to keep it quiet), e-ram (awaiting installation), diablo chip
involuntary mods: compression increased after head gasket failure