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Holes in roof?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Cavalry, Jan 10, 2001.

  1. Cavalry

    Cavalry 1/2 ton status

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    Location:
    upstate NY(although I cant figure out why)
    I have 2 holes with plugs in my roof. There is no evidence of anything goofy like a lightbar or anything, and the holes only go thruogh the outer layer of the roof. Any ideas? <IMG SRC="http://albums.photopoint.com/j/View?u=1443760&a=10871295&p=37653313&Sequence=0&res=high[/image]

    Luke
    84 K5
    [image]http://www.geocities.com/cavalry444/bowtism.gif">
     
  2. 90K5

    90K5 1/2 ton status

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    Lubbock, TX
    maybe someone had a CB antenna up there and they didn't want the cable going out the door.

    90K5

    See my truck at <A target="_blank" HREF=http://albums.photopoint.com/j/Albumindex?u=1329584&a=9886502>http://albums.photopoint.com/j/Albumindex?u=1329584&a=9886502</A>
     
  3. CV202

    CV202 1/2 ton status

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    HEY! How'd you get a pic of the roof of MY rig??? Good to hear I'm not the only one w/ a swiss cheese'd roof. The owner before me had a UHF Antenna and a CB antenna in there. Looks the same too. :)

    Why do people keep calling it a Bronco!!!!!
     
  4. Wheels

    Wheels 1/2 ton status

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    Native Floridian living in Oklahoma, USA
    During the rebuild of mine, I discovered that there was a single hole right square in the middle of mine. You are lucky being that someone put plugs in to cover it up. Mine was left open and appeared to have a CB antenna in it at one time. The removal process required the use of back and forth motion to get it out (speculation from the damaged area). This was probably the cause of the extreme floor board rust that I had. Hammered mine down and MIG welded it shut, then skimmed a thin layer of filler over it to get rid of it. If you can, raise the plugs a little and run a small bead of RTV or windshield sealer around it and then push them back into place to keep them from leaking.
     
  5. shaggyk5

    shaggyk5 1/2 ton status

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    I got one in the middle, I was just gonna 'glass it shut.

    --matt
    shaggyk5: 85 Blazer, 6" lift coming soon!
    Check out the Shag-site: <A target="_blank" HREF=http://www.geocities.com/shaggyk5>http://www.geocities.com/shaggyk5</A>
    nuthin like a heavy chevy!
     
  6. BlazerGuy

    BlazerGuy 3/4 ton status

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    There was a post about this a long time ago. Turns out that some K5's were used as wildlife department vehicles and had a radio antenna through the roof.

    [​IMG]
     
  7. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    Atlanta
    My wifes 79 K5 has one dead center and I drilled it myself for ventilation [​IMG]
    Really its for an antenna. There is Not a good place to put a window mount cell phone antenna on a K5 so I put a roof mount. Roof mounts in the center also get the best signal. The roof becomes part of the antenna system by providing ground plane. When knuckle heads put the antenas towards the edge of a metal roof like you see on lots of pickup trucks it actully screws up the signal since it does not have a complete ground plane around it the signal in the rear dumps into the bed and in the front it points up. It should point straight out for best results.
    Other vehicles I have drilled holes into for antennas include
    Rolls Royce Elevated feed
    450 SL Benz AM/FM Cell power
    Fararie (sp) Mondial. AM/FM Cell Power Ohhhh that was fun...sucked my undies right up worried I was going to walk the hole saw.
    Town cars
    Carrara S4 convertible (through the top of the third brake light) another suck it up
    Police cars
    Every truck you can think of.
    A hundered or so SUV's
    Miata's
    The list goes on.

    Diging it in the dirt with my K5's
    Grim-Reaper
    <A target="_blank" HREF=http://grimsk5s.coloradok5.com/>http://grimsk5s.coloradok5.com/</A>
     
  8. Cavalry

    Cavalry 1/2 ton status

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    OK if its for an antenna (i can probably agree with that) how did they get the cable into the cab? The holes only go through one layer of the roof and there are no holes in the A pillars to snake the cable through.

    Luke
    84 K5
    [​IMG]
     
  9. Rob 85K5

    Rob 85K5 1/2 ton status GMOTM Winner

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    Shaggy,
    Its a good idea to stay away from glass for body work, especially for patches.
    Its hard to get the bond and will eventually work its way off from vibration even with epoxy resin.
    Try cutting a sheetmetal patch, spot weld it in, grind the welds smooth, fill the very small holes with marglass, sand, skim with filler, sand, and then prime

    Rob 85K5

    <font color=orange>Bleedin' Chevy Orange</font color=orange>
     
  10. Cavalry

    Cavalry 1/2 ton status

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    Location:
    upstate NY(although I cant figure out why)
    Hey i'm an enthusiast now. How 'bout that

    Luke
    84 K5
    [​IMG]
     
  11. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    It's routed back through the dome light on most. Thats how I routed it on mine. It then goes down the B piller to the floor to the tranciver monted under the passenger seat. Normaly it would have been hid behind the interior pannel but I need to be able to get at it. I have my 70 pontiac wired and I just move the Transciver and handset between the 2 cars. Granted this was done long ago before hand helds were popular. On a pickup it's open and once you get it back to the dome light hole you can send it right down the rear of the door frame by feeding it through the dome light hole just like the wires route for the light.

    Diging it in the dirt with my K5's
    Grim-Reaper
    <A target="_blank" HREF=http://grimsk5s.coloradok5.com/>http://grimsk5s.coloradok5.com/</A>
     

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