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Ford Super Duty 3rd Brake Light Antenna Mount — image 1
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Ford Super Duty 3rd Brake Light Antenna Mount

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SMA antenna mount adapter that sits in-between the 3rd Brake Light and the body of your 1999-2016 Super Duty truck.

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Model information

Category
Automotive
License
Creative Commons — Attribution

Want to mount a small antenna up high but dont want to pay hundreds for a bespoke antenna mount light or use a magnet mount on your cab? 3D print one! I wanted a clean look for my 915 MHz Mesh antenna as part of my vehicle Meshcore project. This adapter sits in-between your stock 3rd brake light and the cab. Its a weird shape so I went through a lot of revisions to try and get this as close as possible. It fits a female SMA adapter through the underside and locks the nut in place. Its a tight fit due to the odd shape and room I had to work with, but tightening the nut on top will pull it in place as long as you get the threads started through the hole well enough. 

  • You will need seals/gaskets, which Ford does not sell individually anymore, so grab a couple from the auto store or online. I had to replace the one on my light housing anyways, so I bought two for each side of this adapter.  Here is what I used: https://www.amazon.com/dp/B07G27KPWC?ref=ppx_yo2ov_dt_b_fed_asin_title

  • You will also need two more body/trim screws that are a bit longer than the OEM ones. I used 2" if I remember correctly. You can pick them up from places like Ace Hardware, just bring your OEM one to ensure the thread type is correct (course, I believe)

I printed in PETG, but ABS or ASA would probably last a bit longer outside. Its still holding up after a month.

  • I recommend 100% infil

  • Print orientation is standing like it sits on the truck, long face on the print sheet

  • Use supports (due to compound curves/shapes, the only good orientation requires overhangs)

  • No need for brim

Feel free to remix for different antenna thread types or to try and get the body shape just a bit closer, maybe even adapt one to a different make/model vehicle! I didn't want to spend many more days or materials on prototyping since this is really close and works just fine. Thanks!

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