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Re: Older GM ECM's
Posted to Classifieds Forum on 9/12/2021 5 Replies

James

If I remember right the older ECM assemblies had a part number on the tag. Are all seven ECM the same part number? Do any of them have the EEPROM and if so, what are the four alphanumeric codes?

I'm looking for an older ECM now for an older Buick so ... Login to read more.

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