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  1. S

    Most complete lift kit

    Thanks, I'll give them a call.
  2. S

    Radio wiring

    Thanks!
  3. S

    A/C blower always running when key on

    OK, good to know. I'm new, but I'm not. My dad had an '83 Sierra Classic he bought just before I was born. Light blue/white 2 tone. Beautiful truck. I Grew up riding in it, learned to drive in it. Many happy memories in that truck. But he sold it back in 2003. Finally found a nice one...
  4. S

    A/C blower always running when key on

    Good evening all, and happy fathers day! While trying to find a switched 12v source, I noticed that my blower runs the entire time I have the key turned on (2nd notch, just before it cranks). Anybody know what could cause that? 1977 GMC K15 with factory air. I looked at all the connections...
  5. S

    Radio wiring

    Anybody have a wiring diagram for the radio in a '77? My truck has no radio now, and the wiring has already been cut so I can't just get an adapter. Thanks.
  6. S

    raising seat height

    Problem isn't that I'm too short, I'm average height 5'10". If I was too short, then I'd need the seet lowered, not raised lol. Looks like I'll be getting some new foam in the seat. And maybe raising it up as well. I have a Flaming River tilt column and a 14" Grant steering wheel coming for...
  7. S

    Blower motor

    Well, everything tested fine on the blower. I never even thought to check how hard it was blowing on the passenger side... it's coming out nice and hard over there, but the driver side is barely anything. Upon closer inspection, it seems that there's a big round duct that just dumps out behind...
  8. S

    raising seat height

    Hey all, Question about raising the height of my stock bench seat. I had forgotten just how uncomfortable the driving position is in these trucks lol. I gotta sit with my legs practically spread-eagle to drive this thing because the seat sits so low. I could wear a stovepipe hat in this...
  9. S

    Blower motor

    OK, thanks. Just wanted to be sure. It's been over 20 years since dad sold his '83, but I seem to remember it blowing harder than this one. On high, I can barely feel any air at all.
  10. S

    Blower motor

    Just making sure I completely understand, so to test for the ground I turn the blower motor on and put the red lead on my multimeter on the blower motor hot wire, and the black lead on something like the frame or negative battery terminal? And to test the voltage drop, you said to put one probe...
  11. S

    Blower motor

    Thanks, I'll check that.
  12. S

    Blower motor

    My AC blower doesn't really blow that hard in my 1977. Could this be a ground issue, bad switch, it just a tired old motor? Factory AC truck. Thanks.
  13. S

    Side tracking

    It's a 4x4.
  14. S

    1983 Chevy c30 bench seat upgrade

    Was this a good upgrade as far as comfort? Did the stock seatbelts work with the slots in the bottom cushion? I'm looking for something more comfortable for my '77. I drove 5 of these trucks before I bought this one, and all of them were exactly the same, my ass sank all the way down to the...
  15. S

    Power door lock conversion

    Finally found one. Took hours of googling lol. https://www.klassickeyless.com/product-p/06-01303-22.htm
  16. S

    Side tracking

    Thanks, I'll check those things out next weekend.
  17. S

    Side tracking

    My truck is side tracking. The back end looks like it's offset to the right while the truck is driving. I attached a pic, but it doesn't really show it too well. My friend had a similar problem with his '74, and it was either swapping the rear leaf springs left to right, or swapping one of...
  18. S

    Power door lock conversion

    My '77 GMC K15 does not have power door locks. I would like to convert it, but the only kits I can find are universal. Is there a kit designed specifically for these trucks that is plug & play with the factory wiring harness and compatible with the stock door switch? If not, are any of the...
  19. S

    Most complete lift kit

    I have a '77 GMC Sierra Grande 4x4 short bed half ton. Looking to lift it 4, maybe 6" without blocks, only interested in a proper leaf spring lift. But none of the lift kits I'm seeing are complete. Some have more parts, some have less. What all is REALLY needed to lift these trucks? I am...
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