electrical

  1. 1996greanbean

    Ext Cab to Crew Conversion Question

    Well it seems odd I’ve been going to this website for the last 5 years for advice and never once registered so I’m brand new here. I’m sure one of you knows the answer to my probable obvious question but I have to ask because I haven’t seen any other discussions about it. Little background. I...
  2. J

    Some fuses not having any power

    I have a 1994 Chevy K2500 with the 5.7 TBI and have been having issues with my fuses lately. Used a test light and there’s no power going to my “htr/ac, brake, 4x4, or crk” fuses. I have little experience with electrical and any ideas/suggestions would be helpful With these fuses not working, I...
  3. A

    New marketplace truck, most of the electric does not work.

    I just got a surprisingly nice 1990 2500 350 TBI off marketplace for the low low price of free. Runs and drives better than it should but effectively nothing in the interior works. This thing has some pretty hardcore electrical gremlins, the previous owner did some real mickey mouse bull**** on...
  4. B

    I got a new alternator...

    I have a 1992 K1500, 5.7L. I just put a new alternator in it, and whenever I go turn off the truck, the charging light comes on for a couple seconds, then goes out, and when in drive, at a stop, after warming up, the voltage varies from 9v to 12v on the dash. I tested to see if it's charging...
  5. SlimPickinz

    High idle switch 6.5 diesel

    I have a 6.5 diesel, I’ve seen people make high idle switches for them, but I guess they buy pins from gm(or used to) to plug the wire into the pcm. My question is, can I just make my own pin? Can I just basically push the wire in? Does anyone have a couple gm pins I can buy? I appreciate it
  6. Treyes

    Taillights are out

    Hazards work, brake lights work sometimes, but running taillights wont switch on, my column is all broken i dont know if that has to do with anything but ive tried everything else, any advice, recently got my ls swap done but i doubt that has anything to do since everything else works on it
  7. sirmacbain

    Another Electrical Hell Issue (Brake/Hazard/License lights '90 K1500)

    I'll document this fix as I work on it in case it helps someone else, OR hopefully someone has an answer/help. I bought a 1990 K1500 and since day one it's had brake/hazard/turn/license light issues: If I leave the brake fuse in (labeled "stop" in the box): * the license plate lights stay on...
  8. KCusick81

    Is my starter going up? Other possibilities?

    Good evening everyone, First, I would just like to thank everyone who helped me out a few weeks ago with my AC and cooling system issues and install questions. Both systems are 100% new and working great! You guys are awesome! Now it seems, I'm having a new issue... Since I purchased the truck...
  9. nhelmar19

    Can't identify these wires

    I made a previous post about an issue I'm having with my HVAC controls where the temp and vent arrows are flashing. While trying to rule out issues with that I found a light green/dark green set of wires that appear to be cut and I can't find where they would be connected to. I also found the...
  10. MisterWolfe

    Half of my fuse box is shorted out, drawing massive current.

    96 gmc c3500 6.5td 4l80 2wd, half of both fuse boxes light up, i marked all the fuses that short out, i truthfully dont know if the relays are supposed to light up, but they do, I dont have a diode 1 jumper, or the air relay, but thats a gas thing im pretty sure, taking individual fuses out...
  11. D

    Voltage drop diagnosis

    Having an issue where when I start my '97 K1500 truck cold, it is great. After the engine warms, and in southern heat, when I make a quick stop at the store and come back out to start, the starter is sluggish and sounds like its barely pulling power. I ran a voltage meter from battery negative...
  12. McSweeney

    Positive terminal ground straps

    Hey so i noticed that my ground strap that connects to the frame on my 97 broke and im not sure where it goes to or even where to buy a new one. So what im seeing is that there is a ground strap that goes from the frame to the firewall, which looks easy enough to replace. But the other one...
  13. Amsterdamned96

    Novice seeking help (wiring/engine rebuild)

    Fellow GM truck enthusiasts, Some time ago I made a thread dubbed “502 Accel 3500” with a different username. I was handed down a truck that was turned down by various garages/mechanics where I live. The harness was damaged severely due to a fire/excessive heat. I thought the air-intake was a...
  14. CBenZ71

    At a loss with Fuel Gauge

    Hey everyone, I am stuck trying to fix my fuel gauge in my '99 K2500 7.4l. Background: It has a slight hummingbird issue with it, but more important it only reads 3/4 at full. This has happened recently because it used to go to full. Last weekend I dropped the tank and replaced the pump and...
  15. Z

    Power Window and door lock issue

    I have a 1995 1500, and have always had some minor issues with the electrical in it, just recently i realized that the reasoning for the door lock and window issues was that the door lock breaker had melted out of the fuse box and the previous owner had just ran them into my brake lamp relay. So...
  16. M

    Parting a 94 GMC1500 to a 97 Chevy 2500

    So I recently got a 97 Silverado 2500 cab and frame and wanted to take parts from my 94 gmc 1500 (dash, engine, interior, etc) and I wanted to know if I need to change/convert the computer parts for the 94s electrical components to work in the 97 cab or if need to do some electrical work? I’m...
    • Marlon T
    • Thread
    • 1994 k1500 1997 chevy 2500 electrical swap
    • Replies: 0
    • Forum: The Garage
  17. S

    White woman needs serious help with her truck

    In all seriousness... I need help with my truck BAD, I’m in Alaska where it’s negative temperatures and snow up to my knees and of course “ole reliable” went and took a crap on me. Why now? Well here’s what happened: 1997 Chevy K1500 extended cab 5.7L I’m driving down the road, I hit my...
    • Savanah23
    • Thread
    • electrical electrical issues help k1500
    • Replies: 6
    • Forum: The Garage
  18. Bm1912

    97 Chevy C1500 Light problems

    So, I don’t know if it’s a fuse or relay or what. I thought it was the headlight switch so I got a new one but no change. My day time running lights don’t work, my brake lights don’t work and my lows don’t work. But my brights and turn signals do work. Where do I start? I’m checking the fuses...
    • Bm1912
    • Thread
    • electrical headlight lighting problem taillight
    • Replies: 16
    • Forum: The Garage
  19. C

    Power issue

    I have a 1990 k1500 that has an odd issue where if you turn the steering wheel to a certain position, let’s say 11 o’clock on the wheel, all the power in the truck shuts off and if the truck is running it will also shut the truck off killing power to the fuel pump and probably everything else...
  20. S

    2 dead fuses and no instrument cluster lights

    I've got a 97 k1500 5.7L. When I parked it I had lights on my instrument cluster and now I dont. My indicator lights still work (seat belt, brights, CEL, air bag, etc) but none of my gauges do. Also lost power to fuse number 14 and fuse number 9. Neither one of them is blown though. I have a...
  21. Jermu

    6.5td mechanical wastegate

    I am in a situation where my vacuum pump has taken a crap. Now, I would just *love* to put in a spring to replace the vacuum actuator, and that's all easy and so forth, but... What about electronics? For what I've understood and what I've been told by a local 6.5 wizard, everything is linked to...
  22. I

    4x4 Electrical - no power at T-case Switch

    I recently got a 1997 Chevrolet Silverado 4x4 from my uncle as he never used it anyways. I ran into a problem with the 4x4 not engaging, the selector switch flashes, times out and returns to 2wd. However, there is a noise in the transfer case that I believe is the motor working. I switched out...
  23. Aelfred-cyning

    New Species of 95+ switch discovered???

    I was browsing Craigslist on the West Coast looking for a cheap roller with a good body, and I came across this picture. Look at the dash - I have gone through the thread about dash switches before but I don't recall seeing this one anywhere. Anybody know what it does exactly (i.e. dual tanks or...
  24. Aelfred-cyning

    1995 C1500 stereo unresponsive

    Hey everyone, I replaced my inner and outer fenders and core support over the weekend due to rust, and everything seems to work okay except the radio. (And the AC but I know what I did there... just waiting on parts...) It's the factory Delco unit, AM/FM and cassette. It has been LED'd but that...

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