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  1. 6.5L Diesel Engine
    The MIL is on for P1875. I just bought the truck. The front driveshaft is in the trunk. I don’t even know where to begin to test this. Can anyone offer help? Am I in the right forum? I have four 4wd buttons, 2hi, auto 4wd, 4hi, and 4lo. All four buttons lights are on and the neutral light.
  2. 4L80/85E Transmissions. 6L90 Transmission
    Hello, Maybe someone can help me with this. I have a 95 suburban with a 6.5 turbo and a 4l80e and 176000 miles. My kids left the power inverter on so had a low battery. Wife got it cranked and drove it about 15 miles to the store. On the way home trans would not shift out of 2nd. 6 hours later I...
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