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I'm having a local diesel performance shop put an LMM Duramax in the H2. My question is this- The Allison transmission transfer case is MP1626, a 3 position 2 hi 4 hi 4 lo transfer case. I want to use the MP3024 4 position 2 hi and 4 hi 4 lo transfer case which was used in GMC Yukon 3/4 ton. If we use all components of the 3024 e.g switch, tccm, motor, transfer case are there compatibility issues with the LMM pcm and/or the Allison transmission?
 
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