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  1. Vortec 6000 6.0L V8
    OK, so I just removed plastic fenderwells on the front to install headers, after the install, I waited about two days to reinstall the fenderwells, just to put it through a couple of heat treatments before I retorked The manifold bolts. I had to drive it in the rain a couple of times with no...
  2. ⚡ Electrical
    So I recently plugged a power inverter into my 2001 GMC Sierra 5.3 . And the person who I bought the truck from had put too big of a fuse in the cigarette fuse location and I burn up my harness from the interior cigarette located next to my ashtray and it destroyed my harness so my question is I...
  3. ⚡ Electrical
    My truck has no running tail lights but the reverse and brake works fine. I've replaced the bulbs and checked multiple fuses but I still can't seem to find the solution. If anyone has suggestions they would be greatly appreciated.
  4. ⚡ Electrical
    2013 Silverado 1500 LT Max Tow Package 6.2L. Purchased in summer of 2022 with 82k miles I found this forum after a lot of trial and error with my wipers. This has been going on for roughly that past 6 months. One day my wipers started working intermittently. Sometimes they would work, sometimes...
  5. ⚡ Electrical
    My truck is a 2002 sierra 1500 4x4 with the 5.3 and 4 speed auto. Truck has 120K miles. over the last day, I went to start my truck. I pressed the unlock button, it unlocked then I pressed it again and nothing. Lost all electrical power. Went in my truck and it was like the battery had died...
  6. ⚡ Electrical
    All, I am new here and I just wanted to thank the community for always being helpful in the past. I have relied on multiple posts to rectify issues I've had with my Silverado but the issues I am currently having, have me stumped, and are costing me an arm and a leg. My Truck - 2007 Chevy...
  7. Vortec 5300 5.3L V8
    Good evening all. Hopefully, I can borrow some expertise here. I have a 2011 GMC Sierra 1500 SLE, 5.3L V8 4x4. Last Friday after work, I went to leave and started my truck. After starting, I noticed that the starter was still engaged. Turning the key to the accessory position shut off the...
  8. Interior
    2012 Silverado WT I already put in the Cadillac dash it was straight bolt on. I added the D.I.C control, my truck already had the harness I just had to extend it. I connected the Cadillac cluster as well. Everything works on the cluster. I crimped on the Cadillac cluster harness (ALL wires...
  9. Towing - Trailers - Hitches - Plows
    2010 silverado 1500. Non factory brake controller. I'm having an issue with towing a travel trailer. When my 7 pin is plugged in, I have a green light on my controller ( i interpret this to mean i have power to the controller). If I step on the brake, the green light goes out and the brakes...
  10. ⚡ Electrical
    Hi guys new to the group just recently did the conversion on my 2000 silverado and I’m at a standstill looking for any kind of help.I have wired up my windows they are both working. I do not know if the locks need to be wired but I tried them and it locks only driver side.I press the unlock but...
  11. ⚡ Electrical
    2014 silverado 1500 5.3L engine harness plug needs pinned to complete engine swap. Does anyone know what circuits 5290 / 5291 /5292 / 5293 / 5294 are in the engine harness. Electrical book is invaluable in descriptions of said circuits and really need my truck back running!!
  12. ⚡ Electrical
    I have a 1500 Chevy Silverado 2009, One day it just decided not to turn over, or even crank, lights still came on and radio. Plugged in a computer to flash the security settings from truck(this was a suggestion from a mechanic) He said my computer is not letting my fuel pump turn on. So it...
  13. ⚡ Electrical
    2007 Chevy Silverado Classic 3500 6.0 Gas Dump Truck Just replaced 2 bottom tail lights. See pictures. Mechanic said “because now the same bulb is brake and turn signal” I will have two options: 1) 2 bottom showing brake but all 4 will display turn signal and everytime i brake, my dashboard...
  14. ⚡ 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...
  15. 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...
  16. ⚡ 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...
  17. ⚡ 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...
  18. ❄️ 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...
  19. ⚡ 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...
  20. ⚡ 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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