Beretta PROM use...

[Matt S Bower]

I have not specifically done it on GM stuff but for active sensors it
should not be a problem to parallel the signal wire to multiple ecm's. 
The only ones to be concerned with are temps were you use the pull up in
the ecm as a voltage divider and paralleling this would reduce the
pullups by the parallel of the pullup resistor.  As long as the sensor
is active voltage out such as TPS you should be able to parallel the
signal and ground and feed multiple ECM's

Dave Williams wrote:
> 
> -> The only hard to do part of two independent systems is the TPS,
> -> course with enough machining that can be conquered.
> 
>  I have two manifolds on hand; one is a Hilborn, which I have to make a
> TPS bracket for anyway.  The other is sheet aluminum and holds eight
> 52mm GM V6 throttle bodies... each of which already has a TPS and IAC.
> Heck, I'd still have six spares!  <grin>
> 
>  For a single-throttle-body setup, yeah, it'd probably be a hassle to do
> a second TPS.
> 
>  I don't believe the DIS has any inherent advantage over a distributor;
> it's just that with these two manifolds, the distributor makes it a real
> hassle to do an airbox over the intake.
> 
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