GM 7730 ecm

[jsg at donet.com]

--------

|| 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