Daicom craps out again.....

[Bruce]

I've been using an old AST 486/25 for years and it has yet not to link with
something.   Seems to be the Mr Spock of the Diacom world.
Bruce



From: "Craig M." <TPIVette at swbell.net>
Subject: RE: Daicom craps out again.....


> > I've had some problems with "real" scan tools and 90+91 Vettes.
> Serial
> > data is
> > output on pin M of the ALDL, while the Airbag controller (DERM) is
> > connected to
> > terminal L. L and M are tied together in the parallel interface cable.
> I
> > suggest trying jumper wires and connecting only pins A, B, and M
> between
> > the
> > ALDL and the cable end.  This eliminated the possibility of
> interference
> > with
> > the DERM.
> > See reference page:
> > ftp://ftp.diy-efi.org/pub/gmecm/manuals/1227730/90-7727V8TPI-7.jpg
> Okay, I tried doing this, running just three wires from ALDL to Diacom
> adapter on A B and M. Still didn't work. I guess it must be an issue
> with my laptop.
> Anyone that has run Diacom on a 90-91 727 vette please let me know what
> brand/model number laptop you used!!! I'm using a Thinkpad 755c. It
> works great on my old '85, and has worked on a bunch of '86 vettes with
> 165's, but doesn't seem to want to work on 88, 89 and 90 vettes.
> Craig Marcho

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