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03-05-2013, 01:16 AM #1
- Join Date
- Mar 2013
Is The PROM For The 1227747 ECU A One Or Two Piece?
When I buy a PROM for my 1227747 ECM should it be one or two chips? The reason I ask is because my ECU has two empty sockets, a large one and small one, the problem is that I thought I was ordering a whole ECM from Autozone. The web page wording sounded like I was getting a complete ECM with PROM so I ordered and sent in the whole unit as core only to get one without a PROM now I am stuck.
I have a 1990 GMC sierra that originally had a V6 but was swapped out with a 5.7L TBI. It seems that the engine, tranny, and wiring harness was all swapped out together.
I have all the info that was on the sticker on the old unit:
SERV. NO. 1227747 ARJU
Are these part numbers correct:
Part # 16060836
ECM CODE 16060837-CALPAK
ACDelco 16060836 CALPAK - CODE 16060837
Part Number: 71-0001A
Part number= 16147492
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