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    Putting an 2008 Allison in a 2010 lmm

    That is so perfect to here glad someone knows these things pretty well I was getting a little scared for a second lol but yeah I figured the engine harness would be all the sensors on the engine itself and that TCM ECM harness is the harness that connects to the engine harness and the ECM TCM...
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    Putting an 2008 Allison in a 2010 lmm

    sweet the only reason I was going to run a a40 was because the truck I'm working on is an 08 with an 08 motor and trans but had a cab fire in the donor cab is a 2010 which I know the chassis harness and cab harness are a little different witch the donor cab came with the new chassis harness...
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    A40 TCM Work In place of a A50?

    Did the a40 swap end up working out ?
  4. S

    Putting an 2008 Allison in a 2010 lmm

    Hi I was wondering if anybody has put a 2008 transmission in to a 2010 truck I know that the 2010 trucks use an a50 TCM but was wondering if I can ran an a 40 tcm with a 2008 with out any issues