Duramax LMM to H2 2008

PatrolV8

New member
Feb 15, 2019
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Hello all,

I have problem with conversion Duramax to H2 - is there anybody, who done it? Duramax engine is LMM, Hummer H2 had originally 6,2 petrol engine, year 2008. There is a problem in connector X100 (H2 connector) I solve pins B1, B2, B3, C1, C2, C6, C7, C8 and X109 (Duramax connector) here I solve pins A2, B1, B9, B12, C7, C8, C10 . I placed the other wires in both connectors. The engine is now running, car is running, A/T working fine, but ABS is not running, it cannot shift the front drive etc. I know I have to solve the ASM module, but first I would like to know how to connect these two connectors. Bellow are pics my problematic wires... Thank you for your help! :)
 

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cdbright

JUST RENT IT
Dec 16, 2008
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i saw a nice one done at Orange County diesel a few years back, it was pretty impressive , some of the SoCal boys on here may know whos it was.
 

Washx3

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Feb 22, 2021
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Guys, has this wiring been figured out. I have a 2008 Hummer H2 currently in process of having the LMM Duramax installed.
 

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