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  1. Blakeab1

    Help! Is my transmission going bad?

    No surge brakes, my personal trailer. That was my first thought and after it happened the first time I stoped and unhooked the 7 pin to see if my trailer breaks was locked up. Unfortunately, that wasent the problem..
  2. Blakeab1

    Help! Is my transmission going bad?

    I have a 2007.5 GMC Serria 2500HD LMM with the 6-speed Allison Transmission 4 wheel drive, the other day I went and picked up a mini excavator and was towing it home when I noticed something iv never noticed before. I stopped at a red light in town and when the light turned green I let off the...