Electronic Transmission Control

[Jason R. Haines]

Gwyn,

The 1991-1993 6.5L diesel powered trucks that used the 4L80E transmission
had a stand alone transmission controller (and so does the Rolls Royce that
uses the 4L80E transmission 8-)). The GM part number for the 1991-1993 truck
controller is 16147609 and the part number for a stock chip is 16173828 (I
think the broadcast code is BACZ and I think this is a 1992-1993 1 ton CK
truck). You can use this controller and then a DRAC module to get the speed
data correct for your gearing and tire size. The controller really needs to
have at least the engine rpm and vehicle speed data. Several companies
should be able to make you a harness for this or you could buy the GM
factory harness and modify it.

I am sure someone on this list has figured out the calibration for the
transmission controller 8-). I stock bin file might already be on the FTP
site.

Regards,

Jason

----- Original Message -----
From: "Gwyn Reedy" <mgr at mgrcorp.com>
To: <DIY_EFI at lists.diy-efi.org>
Sent: Wednesday, March 08, 2000 11:24 AM
Subject: Electronic Transmission Control


> I've picked up a good 4L80E transmission out of a '94 pickup for use in a
> project that won't have EFI. Aftermarket vendors want from $900 to $2000
for
> a computer to control the transmission. Way too much.
>
> What would it take to make the EMC out of a similar vehicle and get it to
> ignore all but TPS and VSS so it can control the transmission?
>
> Any other suggestions?
>
> Gwyn Reedy
> Brandon, Florida
> mailto:mgr at mgrcorp.com
>
> --------------------------------------------------------------------------
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