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  1. Duramax Third Generation: 2006-2007.5 (LBZ & LLY)
    My question is if I tune with ppe hot +2 e.t. Race programmer will it block the grid heater code? Also will it be harder to start in cold weather with the grid heater gone? I live in Oregon and during the winter it can get in the low 20’s
  2. Duramax Third Generation: 2006-2007.5 (LBZ & LLY)
    Hey guys wondering what wires before the pin connector on the grid heater. I have a delete kit on it and was wondering which ones I could cross to trick it and make it think it is hooked up. Any feedback would be great
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