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-   -   ow do I check my ecm to see if it is a 350 ecm (http://www.hotrodders.com/forum/ow-do-i-check-my-ecm-see-if-350-ecm-105384.html)

ghomer 12-27-2006 08:16 PM

ow do I check my ecm to see if it is a 350 ecm
 
The writing on the box says

SERV. NO. 1227747
863341 M710612516
ADTR

Suppose to be out of a Suburban 2wd 350 auto Can anyone tell me if this is right ?.. or a way to open it and read the chips to identify thanx

edge 12-27-2006 08:35 PM

Get the Broadcast Number off of the EPROM. It is a four letter code similar to the one pictured below. The EPROM is the one with the light blue cover.

http://www.tpisuburban.edgesz28.com/tuning/chips1.JPG

Knowing the broadcast code will help determine your question.

Ed

ghomer 12-27-2006 08:46 PM

Re eprom 350 or not..
 
It has ADTR the small chip has

16060837
DELCO ADTR 3432

ghomer 12-27-2006 08:51 PM

The other ECM I have here that may have got mixed up is
 
1227747 ACSU which comes up as a 350 tbi LO5 1990 chev van but I got it from an 88 suburban


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