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

Posted: **Wed Jun 07, 2006 7:53 am**

hi

I was wondering what does a 7 pin HEI module have for signal that comes from the pin R? isÂ´t + or - ?

m

Posted: **Wed Jun 07, 2006 8:01 am**

m,

It is a + square wave, between 2.8 an 5 Volts (depending on the module).

Posted: **Thu Jun 08, 2006 8:23 am**

thanks Lance

HEI signal polarity on pin R