ECM's Exchange? Can a 1227303 replace 1227165?

[Mark Romans (ICQ#66838770)]

Well I'm glad I didn't pick that one up?  I like my AC and Maf burnoff relay
and canister purge!  Tcc, not too concened  (Man trans)!
Mark
-----Original Message-----
From: Peter Gargano <peter at ntserver.techedge.com.au>
To: gmecm at diy-efi.org <gmecm at diy-efi.org>
Date: Saturday, April 22, 2000 3:13 PM
Subject: Re: ECM's Exchange? Can a 1227303 replace 1227165?


>According to Ludis (I recently asked the same question in relation to a
>Le Mans - this uses the 1227303) the '303 is missing quad driver
>U3, which is closest to the middle of the driver area. U3 goes to I/O
>connector pins...
>
>  U3-3   A3  (Can Purge)
>  U3-5   D12 (Burn-off relay)
>  U3-11  A7  (TCC solenoid)
>  U3-13  C2  (A/C Clutch Relay)
>
>The functions in brackets refer to I/O pin usage with the BUA code
>(eg, 5.0L F-body V8) - the vehicle it came out of may have different
>usage. So, you probably can't use the ECM on an auto vehicle with A/C
>and a MAF sensor - on a manual, MAP, non-A/C vehicle, you should have
>no trouble (caveat emptor!).
>
>Why did I take so long to answer this question?  Well, I was hoping that
>someone would have a schematic for a vehicle using the '303 (eg. Le Mans)!
>Anyone offering?
>
>Peter.
>
>Mark Romans (ICQ#66838770) wrote:
>>
>> I was at the wrecking yard today and saw a 1227303 that looked cherry and
>> ludis's web page shows that the 1227303 is a 1227752 with one missing
quad
>> driver.  the 1227752 is a 122165 with a short case?
>> Anyone have a clue if a 122303 will replace a 1227165?  I'd like to have
a
>> spare 1227165 if this will do it, it would be great!
>> Thanks.
>> Mark
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