GM 7730 ecm

[Bruce Plecan]

----- Original Message -----
From: <jsg at donet.com>
To: <gmecm at efi332.eng.ohio-state.edu>
Sent: Thursday, May 13, 1999 10:04 AM
Subject: Re: GM 7730 ecm

I think it is a matter of jumpering a load sensing resistor, and that sets
the P+H mode.   The 730 has just one final driver (as reported).  Again P+H
for the 730 is one injector.
Sneezy

> || Tom Sharpe wrote:
 || > Group.  Does the GM 7730 ecm use P&H or High Impedance Injectors???
> || > Inquiring minds want to know...
> || Either, though most applications wire it up for high impedance mode.
> | Is this selected through software, jumper in memcal, or in the ecm
> | itself? Are all 730's created equal? (how can we check the
> | configuration, for all the options, is correct for our application?)
> After thinking about this a little more, I would guess the ecm has
> maybe 2 PH drivers for maybe TBI applications; otherwise, it would be
> wired (at the wiring harness ecm connector) for saturation
> injectors. I bet there is no more than two PH drivers.
> john gwynne