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  1. 4x4 Drivetrain
    I see that this is a much talked about topic: 4WD Service light on I have a 2003 4.2L v6 trailblazer. When I switch 4 wheel drive switch to anything other than 2Hi the 4WD Service light comes on. I can also tell that the 4 wheel drive isn't engaged from how it feels when I turn the car in...
  2. 4x4 Drivetrain
    :grouphug:Ok, so with my recent adventure @ the dealership, I became quite social with the master tech there with over 40 yrs Gm experience,,,,, So I was picking his brain and one of the things that came up was a transfer case conroller/switch..... It is def doable, but how easy..... I'd much...
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