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  1. 11-16 LML Duramax Powertrain
    2013 Chevy Silverado 3500 dually 6.6 lml Allison 1000 auto trans Everything is stock except having a CM flatbed installed 1½ years ago. I was driving Saturday, kinda crappy rainy day, and suddenly my truck feels like it lost power. My first thought was fuel filter because I know I'm over due to...
  2. Gauges, Electronics and Wiring.
    I have a 2007 GMC Sierra SLT 2500 HD, having issues with the cab bus issue on both networks. It all started one day when I was driving down the road and I turned on the AC and all dash gauges pinned all down to there starting position (bottom left) got codes for no communication for BCM, HVAC...
  3. Gauges, Electronics and Wiring.
    So I’ve recently bought a nearly unmodified 2017 LTZ 2500HD, no serious complaints other than the def system but that’s for another post. I have an issue with the radio/nav screen I guess you could call it “ghosting”, sporadically switching screens. Got a check in the mail from the dealer for...
  4. 911 Problems Forum
    Just did headgaskets and studs on an lly. Will crank for a couple seconds and quit. Has a buzzing sound when you turn the key on and when it stops cranking. Reduced engine power on the dash and a couple codes (P0193, P0335, P0662, P2122). Also shows 0% fuel on the dash and on my edge as-well...
  5. 2001 - 2007 (GMT800) Non Powertrain
    My truck has left me stranded. I just replaced the coolant thermostat housing on my truck and had both batteries disconnected. Everything is plugged up but truck does not have power to locks, windows, key fob doesn’t work, heated seats don’t work, no dingers. Truck will start but will shut off...
  6. General Discussion
    Hello all, I have a 2004 Chevy with the lb7, 185k miles, the other day I was driving, hit a bump, radio screen shut off, dash shut off and fuel light came on( full tank). Turned the truck off, fuel light stayed on but cluster worked. This morning I have dead batteries and when I hit bumps, dash...
  7. 01-04.5 LB7 Duramax Powertrain
    Just bought this truck. Ran good. Alternator went out 10 miles down road. Put new alternator in it. Jumped off and it ran great home. Even crunk back up. Came out in morning to it being completely drained. Put 2 new batteries in it crunk right up. Then again completely dead next morning. Jumped...
  8. 2001 - 2007 (GMT800) Non Powertrain
    New here ... being logged in at least. I did some searching couldn't seem to find this exact issue. Every now and again my drivers seat will not move backward. It'll move in every other direction, including forward, just not backwards. Thanks!
  9. 01-04.5 LB7 Duramax Powertrain
    I was out fishing Saturday night launched the boat fine but when I can back in to trailer the boat my lb7 wouldn’t crank at all. No glow plug noises I hear nothing. Already checked the fuses and the batteries are brand new. My dash lights up just like it should. But I noticed my hood light...
  10. Gauges, Electronics and Wiring.
    Howdy, everyone. I'm really in a bind with a current electrical issue I am having and I need to try to fix it before the weekend when I tow my fifth wheel out of town. My truck has been making a clicking sound when I press the brake pedal (like a relay switch type of click, very audible) and...
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