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  1. Subourbon

    1986 GMC C3500 Frame Brake line fitting

    I'm doing the same thing but in the rear. Was doing .y drums and my brake line snapped off, so got the flared and readied with fittings straight line stock napa like you mentioned. Thing is, I brought my wheel cylinder in to test my fittings, seemed to fit, bent my line, and it wont thread into...
  2. Subourbon

    Yet another bleeding brake post

    Hello all! 82 suburban K20 3/4 4x4 6.2 diesel. History: going to help friend move, all of a sudden pedal goes to floor, truck stops but really gotta lean into it. I mean my leg was cramping by the time I got home. This was really in the middle of covid shutdowns, so I just got the move done and...
    • Subourbon
    • Thread
    • brake proportioning valves
    • Replies: 5
    • Forum: Brakes
  3. Subourbon

    OPSU is in, but no wire.

    I really dont know, this is my first squarebody. I mean this thing had 3 horns, the driver side was stock. Passenger side had 2. The stock one and the other you can just see the top of it in that pic where I show the switch. It's not in the stock location. I removed the other one coz it wasnt...
  4. Subourbon

    OPSU is in, but no wire.

    Sometimes it's the simplest things.... this battery killswitch, or breaker to switch batteries on and off was flipped over to off, I guess I knocked it when checking passenger side horn. I dont know if all models have them or what but.... flipped back to on, glow plugs, lights buzzing, and she...
  5. Subourbon

    6.2 diesel 82 suburban completely dead

    Sometimes it's the simplest things.... this battery killswitch, or breaker to switch batteries on and off was flipped over to off, I guess I knocked it when checking passe ger side horn. I dont know if all models have them or what but.... flipped back to on, glow plugs, lights buzzing, and she...
  6. Subourbon

    6.2 diesel 82 suburban completely dead

    I did remove a 3rd horn on passenger side, I was cleaning the ground that bolts to the horn bracket. The passenger side had no wiring and I noticed a 3rd horn connected underneath it. Anyway, if a ground to a component that wasnt even connected is cause for this I'm gonna be dumbfounded. As for...
  7. Subourbon

    6.2 diesel 82 suburban completely dead

    Thanks for the reply Dmack, I havent looked at fusible link. I'd charged my batteries and after that didnt work I screwed around with the wiper fuse and reconnecting that module pictured above. And when that didny work, I was just going in reverse of things i did that could be undone. Dark...
  8. Subourbon

    6.2 diesel 82 suburban completely dead

    I also read another post, something about ignition VIA the windshield wiper module... which I'd disconnected for wire tracing, anyway, (see pic) it's quite a piece of kit for a relatively simple control for windshield wipers. Anyways, I plugged it all back in, checked the fuse, fuse was ok...
  9. Subourbon

    6.2 diesel 82 suburban completely dead

    8
  10. Subourbon

    6.2 diesel 82 suburban completely dead

    Hey everyone, I posted earlier bout some issues which are now minor, gauges n horns etc... So I pulled apart the dash, gauges, bezel, everything, and the truck would still start, the glow plug light would turn on, I'd hear the brrrrrrr of the fuel pump. I was tracing and cleaning grounds...
  11. Subourbon

    OPSU is in, but no wire.

    That is amazing, yes indeed, I found a ground, I'm still a ways from sticking the panel back in there now. And yes, my apologies opsu, oil pressure sending unit. I did so many Google searches on the thing a d saw it labeled as that I guess I picked that up. Apologies everyone. Well, gauge, no...
  12. Subourbon

    OPSU is in, but no wire.

    Thanks turbo4whl. Made some decent progress yesterday. As far my opsu, can I just buy a wire ending that clips onto the sensor and run through to the instrument panel clip number, for example if oil pressure gauge is #9 then find where that wire goes, add the clip I need and connect it to the unit?
  13. Subourbon

    OPSU is in, but no wire.

    Now I know what that's for, thank you very much!
  14. Subourbon

    OPSU is in, but no wire.

    Hey guys, Got a K20 suburban back in January, too cold to do anything with it until recently. Mechanically, I get by, but electrical I am useless. There are a number of issues, Fuse for horn sparks immediately as I put it in, i got a short somewhere, doubt I'll ever find it, relays somewhere...
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