tachometer signal

[Richard Hoffman]

This is a much better way to phrase the question I was trying to ask, but I
was quite tired when I wrote my email!  What sort of tach signal would be
needed in the typ89?  This is (of course) for my EFI project as well.
Thanks in advance!
Richard
90 CQ
70 100LS
----- Original Message ----- 
From: "Alan Pritchard" <apritchard at seaeye.com>
To: "Quattro List (E-mail)" <quattro at audifans.com>
Sent: Monday, December 01, 2003 7:57 AM
Subject: RE: tachometer signal


> Oops, sorry javad, meant to say on the typ89 (ng) cars what does the tacho
> signal need to be?
>
> Best Regards,
>
> Alan Pritchard,
> Network administrator.
>
> Seaeye Marine LTD.
> +44 (0)1329 289000
> www.Seaeye.com
>
>  -----Original Message-----
> From: JShadzi at aol.com [mailto:JShadzi at aol.com]
> Sent: 01 December 2003 15:54
> To: apritchard at seaeye.com; quattro at audifans.com
> Subject: RE: tachometer signal
>
> IME, the 4kq/CGT style tach works just fine off the coil.
>
> Javad
>
> >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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> >>
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