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  1. 02-01-2015 #11
    dave w
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    The only Memcal information I have is for the '7727, '7730, & '7749 ECM I downloaded from Thridgen.org years ago. See attached pic. I DO NOT KNOW if the '7427 Memcal is exactly same? I'm not sure it's a good idea to post the pic of a different Memcal? I strongly suspect that GM would not re-invent the wheel when it came time to design the '7427 Memcal. It's likely GM would leverage / re-purpose a Memcal it already has / had in production for the '7427 Memcal with maybe a different component (limp home mode) on the Memcal for TBI?

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