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  1. Electrical
    Hey all. I have a 2002 silverado 2500hd. It runs, drives and shifts perfectly. But I have a strange issue of having No prnd321 in the run position. It works in other positions just no run. I have also lost tow haul mode (Wires are good). And My 4x4 indicator lights are not working nor is the 4x4...
  2. EcoTec 5.3L V8
    Hello , new to the group thanks so sorry if I’m posting to wrong group or if question has been asked before. My issue is that I bought a ‘15 1500 WT 5.3L that had around 350k with lazy #7 cylinder. So I bought used motor with around 100k from a ‘15 gmc 1500. Swapped motors out and when I went to...
  3. Electrical
    Hello, having some issues. 89 Silverado I've had about 15 years. 383 stroker, automatic tranny. Have a new starter, alternator, battery, EGR valve. Truck is hard to start, died on me once earlier today but started right up. This evening I ran it a few minutes to see if it was having issues then...
  4. Electrical
    On my 2007 Chevy 1500 my door lock actuator on my driver side will not move at all even though all the other doors work. However when I test the connectors the actuator is getting power to unlock but no power to lock. I have tried checking fuses like the lock2 fuse with no luck and have been...
  5. Climate Control-HVAC
    Just picked up a 92k1500 5.7 4x4 off Facebook, when i got the truck it didn't have a climate control unit installed as a new interior was swapped into it by the previous owner. I installed a climate control unit off eBay which was the style with the recirc and AC button as the truck has AC and i...
  6. Electrical
    Hey, before i start, brand new battery, brand new 145amp Duralast Alternator. I actually had to get the battery warrantied for a separate reason. So i do pulls in my truck all the time, on the factory shift points that is. I decided to play around with my truck and did a 6k rpm pull in second...
  7. Electrical
    I have a 2001 lb7 Duramax with 235k on it. Runs like a dream and very solid. My charging gauge recently started jumping back and forth between a little over 14 and the line halfway between 14 and 19 (I don’t know how they’re exactly numbered) but it tends to only do it when the headlights are on...
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