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  1. 01-04.5 LB7 Duramax Powertrain
    I have a 2001 Duramax 3500 that I purchased on the cheap. after doing head gaskets and top end I am getting 2 ses codes. one is the intake air heater and the other is glow plug related. I have replaced the glow plug relay on the driver's side valve cover and the 175 amp fuse that's under the...
  2. 01-04.5 LB7 Duramax Powertrain
    Okay Guys i have a 2002 6.6 Duramax im having a few issues with the truck i just bought the truck and it has a few upgrades it has 45% SAE Lincoln diesel tech injectors. A new Reconditioned transmission with a billet back converted to 6 speed valve body this was all done 7,000 miles ago. Okay...
  3. General Discussion
    Hello, I have a 2003 GMC Sierra Lb7 and I am having multiple intermittent electrical issues, my windows won’t go up and down, my nothing works in my gauge cluster except speedometer and tachometer, my ac doesn’t work, ABS, Brake light, and battery lights come on, my power locks won’t work...
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