2 bar ECM again/still (HELP)

[Bob Wooten]

So here in lies I think the answer to an even more basic question (as Steve
pointed out).  is the reason for the heartache, 'cause ya cant get the 749?
& even if you did you would not know what the pinout would be so tryin to
get a harness would be just as bad?

I tried to get a copy of the wiring harness from SyTy.org but I did not see
anything there.  maybe I am looking in the wrong place.  I was hoping to
finger out how the harnesses differ & see if that helps to explain why the
wastegate does not work.

later on that, I guess, I have a ton of reading to do

BW

-----Original Message-----
From: owner-gmecm at diy-efi.org [mailto:owner-gmecm at diy-efi.org]On Behalf
Of sapearso at collins.rockwell.com
Sent: Thursday, March 29, 2001 10:05 PM
To: gmecm at diy-efi.org
Subject: Re: 2 bar ECM again/still (HELP)



I've been going through these QuadIV cars like crazy at the yards, still
haven't
found a 749 in ANY of them. What years should I be looking for?

Scott

_________________________
The 749 is definitely used in 3 applications sold in the US.

1) 4 cylinder Sunbird and Grand Am, w/ manual and auto trans.  Early
Sunbird turbos
used a different ecm.
2) 6 cylinder Syclone/Typhoon.  Specialty truck.  If you find one in a junk
yard,
_Immediately_ notify me.  I'll instruct you on what to do next.
3) 4 cylinder 2.3L Quad 4 equipped N body cars (Olds Cutlass Calais,
Pontiac Grand
Am) with auto trans.

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