MicroSquirt.com read only forum (Jan.15,2018)

@tony2ltr
I have connected the tach directly to pin 11 from the EDIS4 module and this works without any problem.

@Jim
4 cylinder EDIS modules have an output called CTO (Clean Tach Out) ,
I don't know anything about this output as far as directly driving a Tach ,
ALL of the EDIS signal outputs are ...

I have connect the tach to pin 11 of my EDIS4 module.

EDIS4 Pin 2 is the EDM = E-DIS Diagnostic Monitor signal.