Search results

  1. 84_c10_GMC

    84 gmc fuel pump question

    Have an engine from a ‘73 Monte Carlo in my 84 c10. The 73 had a 2 line pump on it. The 84 truck has 3 lines from the tank. 2 at the pump and 1 that goes over to the evap canister that has been removed. My question is should I put a 3 line fuel pump in to attach the 2 lines near the pump? Or...
  2. 84_c10_GMC

    Classiccarwiring.com colored wiring diagrams

    Just wanted to share my colored wiring diagrams for everyone that hates trying to read the basic diagrams you normally find! They have several years of trucks available. Square bodies being the most modern!
  3. 84_c10_GMC

    One more electrical plug identification

    ok this should be the last one! I hope lol. I believe the one green is coolant sensor wire but just seems odd location out of the harness. The other I’m not sure what it is. 3 wire plug with a lock clasp around it that holds it on to wherever it goes. Pink blue and light blue wires out of it...
  4. 84_c10_GMC

    Is this part of the evap system?

    Good morning. Cleaning up wiring in my engine bay and not 100% sure what this for. Thinking evap system as the canister is gone and no air pump. Comes out of the dash between bull head for the wire harness and the steering column. Has electrical plug and a vacuum hose in it. Thanks
  5. 84_c10_GMC

    Wire identification help

    Good morning, got my new American auto wire harness for my 84 c10. Checked pins on new harness vs old harness where connects to fuse block and matches up. But I have a few wires in new harness I’m not sure what to do with. I believe I know where one is suppose to go but someone changed oem stuff...
  6. 84_c10_GMC

    Fuel gauge to tachometer, clock to fuel gauge

    hello, Has anyone used the summit retro gauges to replace their square body gauges? I am looking at replacing my large fuel gauge with the tachometer and the small clock with a small fuel gauge. They appear to mount the same on both, just curious how they look after installed. Will be going...
  7. 84_c10_GMC

    What aftermarket engine harness?

    Have a 1984 gmc high sierra c1500 previous owner did a terrible job of an engine wiring tuck on. And I am wanting to replace the entire engine harness. Ive found one aftermarket harness from swharness I believe it was. But was curious if anyone has a good harness or who you would use for an...

Latest posts

Forum statistics

Threads
45,558
Posts
986,222
Members
38,643
Latest member
Hard
Top