tachometer signal

[Alan Pritchard]

DOH. In my megsaquirt planning I never considered that!! What does the tacho
want to see? A rising voltage? Or something like a pwm signal??
thanks
 -----Original Message-----
From: 	JShadzi at aol.com [mailto:JShadzi at aol.com] 
Sent:	01 December 2003 15:24
To:	billzcat1 at hotmail.com; quattro at audifans.com
Subject:	Re: tachometer signal

I assume you're referring to your Coupe?  The T89 cars have a tach signal
from the ECU, we created a tach output for 034efi to run the tach signal,
the stock tach will run off most any "tach signal", but IME it doesn't run
off the coil.

Javad

>Hello All!
>Does anyone know how the tachometer interprets the signal on a 5-cyl?  Does
>it take the standard signal from the coil (5 pulses every 2 revolutions)?
>
>Thanks in advance
>Richard
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