Re: 2007 H2 test drive, now i have some Qs
I am a parts manager at a GM dealership in New Mexico and as far as the flashing 4x4 light, well, usually thats an indication of the encoder motor or the actuator going out. it can get quite expensive to fix so i wouldn't mess with that particular 07.
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I just bought my first Hummer!!!! It's frickin awesome!!! 
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