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electrical issues
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  1. 6.5L Diesel Engine
    Background: My truck is an ex-ambulance that I've converted into a 4-season camper. It was my first ever diesel engine, and there were a lot of small things wrong with it that I would overlook due to thinking they were just "old diesel truck things". For example, it struggled to maintain speeds...
  2. Duramax Third Generation: 2006-2007.5 (LBZ & LLY)
    I was driving home from work and my radio beeped and started playing from back speakers only and door locks actuated then all dash lights lit up and I lost every guage on dash expect Rev and truck started being sluggish got up the next day and it would start but only run for a few Seconds then...
  3. Electrical
    I have a 2013 gmc 3500 Denali dually. It’s been deleted and single stage tune. Took truck to shop to have the down pipes replaced since one of them cracked. They pulled cab and brought back to me with my e-brake light showing in dash, abs light showing in dash, trailer brake control not working...
  4. 6.5L Diesel Engine
    Alright, so in the process of putting my engine room back together, and working on the batteries, I managed to touch the battery cable that goes between the two batteries on the top the engine, close to where the EGR sits. The passenger battery was connected to 1 ground on the chassis and 1...
  5. 6.2L Diesel Engine
    This past winter, I upgraded to the ‘85-newer glow controller on my ‘83, complete with a resistor for increased glow times and new 60G plugs. All has been working great up until a couple of weeks ago. It was a hot day, probably around 95°-100° and I had been driving down the freeway for about 30...
  6. Duramax First Generation: 2001-2004 (LB7)
    The upper bail connector metal bracket has rubbed into the oil pressure sensor wiring. Does anyone know if I can cut the ops wires on the driver's side of the connector and route them directly to the oil pressure sensor? I didn't know if the grey +5 and the black ground went on to power other...
  7. Electrical
    Hope someone can advise. I have an 03 2500hd. I replaced factory mirrors with tow mirrors when I boutght the truck in 2015. Everything has worked fine untill this year. It’s started with the passenger mirror adjustment sometimes not working, then it would work fine the next time. about a...
  8. Electrical
    So here’s a good one…..we took a lightening strike near the house the other day that knocked out power, took out the power company transformer fuse which wasn’t that big a deal. But….when I went to drive the truck later that day all gauges were inoperative, the DIC indicated malfunction on all...
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