GM Trip Computer

[TK]

The DIC listens to a couple of ALDL streams sent by the ECM for the gages
and fuel economy data. The ECM must send them. Not all do. Also, the message
ID's vary from year to year. I swapped a 3800 SC into a Ciera GT. I had to
change a few things in the message stream to make it work correctly with the
92 ECM. Also, it appears that the DIC has a fuel tank sender correction
curve and capacity value in it so the J/A/C/H DIC's have different
calibration code in them.

Terry


----- Original Message -----
From: Scott Feaver <scott at j-body.com>
To: <gmecm at diy-efi.org>
Sent: Friday, May 26, 2000 9:52 PM
Subject: RE: GM Trip Computer


> Yep, thats the one!  :)
>
> Scott
>
> -----Original Message-----
> From: owner-gmecm at diy-efi.org [mailto:owner-gmecm at diy-efi.org]On Behalf
> Of TK
> Sent: Friday, May 26, 2000 8:00 PM
> To: gmecm at diy-efi.org
> Subject: Re: GM Trip Computer
>
>
> Is it the black unit with 12 buttons, range, Econ, gages, oil, fuel,
> date.time, dest, eta, e/t, speed, e/m, reset?
>
>
> ----- Original Message -----
> From: Scott Feaver <scott at j-body.com>
> To: <gmecm at diy-efi.org>
> Sent: Friday, May 26, 2000 2:51 PM
> Subject: GM Trip Computer
>
>
> > I have a trip computer from an 1990 Olds Cutlass...  Does anyone have a
> > wiring diagram for this thing, so I can figure out how to get some
> readings
> > in another car?
> >
> > Also, would this unit just read off the ALDL line?  And if it does,
would
> > the computer need to be coded to send it info?
> >
> > Thanks for any help,
> > Scott
> >
>
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