[Gmecm] Soliciting Advice

[Steve Ravet]

> When I link with Diacom, or any scanner for that matter, the 
> engine goes into a mode where the spark is advanced and the 
> idle is increased. Can this ecm be configured so that it 
> operates the same when linked as it does when not linked?

What you want is open mode.  What you are describing is shorted mode (or
diagnostig, or some mode other than open).  This has to do with what
resistance (if any) the scan tool connects across the A and B pins of
the ALDL.  Try to find a setting like that in your scan tool.

--steve


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