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Old 09-14-2013, 12:40 PM   #1
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Teraflex no access

Just did a teraflex tailight mount for 2000 Sahara.Problem... The top hole located on the teraflex plate doesnt line up in the interior for adding a locking nut.It miss's by around an inch.It seems theirs a metal housing around that area with no access.The only solution I can think of is a 3/8 self tapping screw of sorts.As of right now after mounting this plate, their is a very slight play or gap on the top of the plate when I wiggle it.I also include a pic as well.I'm open for any suggestions.
Thanx in advance
W6DLB
By the way...this is for 2 meter and not cb.
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Old 09-14-2013, 01:36 PM   #2
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For a typical 2m antenna which won't be very tall, I wouldn't worry about installing that bolt which would really only be needed by much taller antennas that present a lot more wind resistance. The mount is held very securely by the three tail light bolts, securely enough for any typical mobile 2m antenna.

I hope you remembered that mount needs a bare metal to bare metal connection to the Jeep, and the SO-239 part of the antenna mount needs a bare metal connection to that Tera mount on the bottom side where the top of the SO-239 touches it. That is so the antenna mount has an adequate RF ground for its grund plane connection.

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Old 09-14-2013, 02:11 PM   #3
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Quote:
Originally Posted by Jerry Bransford View Post
For a typical 2m antenna which won't be very tall, I wouldn't worry about installing that bolt which would really only be needed by much taller antennas that present a lot more wind resistance. The mount is held very securely by the three tail light bolts, securely enough for any typical mobile 2m antenna.

I hope you remembered that mount needs a bare metal to bare metal connection to the Jeep, and the SO-239 part of the antenna mount needs a bare metal connection to that Tera mount on the bottom side where the top of the SO-239 touches it. That is so the antenna mount has an adequate RF ground for its grund plane connection.
Thanx for your speedy response......its definetly bare metal to metal.My only concern was that it was'nt completely flat at the top of the plate.
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Old 09-14-2013, 02:34 PM   #4
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Also...I saw on another forum that some folks sand or file off the coating on the back of the plate as well as inside the holes (especially the mounting hole) for a better swr reading.

W6DLB
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Old 09-14-2013, 03:46 PM   #5
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FWIW, I have the passenger side Teraflex and didn't have any problem getting access to the back of where the top bolt is located.
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Old 09-14-2013, 04:51 PM   #6
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Originally Posted by timedriver View Post
Also...I saw on another forum that some folks sand or file off the coating on the back of the plate as well as inside the holes (especially the mounting hole) for a better swr reading.

W6DLB
Don't sand off the coating inside the antenna mounting hole, that is what the antenna needs to remain insulated from and the powder coating only helps there.

The part that needs the powder coating ground off where the antenna mount is mounted against is a a small ring around the hole on the bottom of the mount. That is so the top of the SO-239 part of the antenna mount has a good bare metal connection to the mount & thus the Jeep via the body mount's bare metal connection to the Jeep.
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Old 09-14-2013, 05:38 PM   #7
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Quote:
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FWIW, I have the passenger side Teraflex and didn't have any problem getting access to the back of where the top bolt is located.

Ihave a left mount (drivers side)
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Old 09-14-2013, 05:39 PM   #8
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Quote:
Originally Posted by Jerry Bransford View Post
Don't sand off the coating inside the antenna mounting hole, that is what the antenna needs to remain insulated from and the powder coating only helps there.

The part that needs the powder coating ground off where the antenna mount is mounted against is a a small ring around the hole on the bottom of the mount. That is so the top of the SO-239 part of the antenna mount has a good bare metal connection to the mount & thus the Jeep via the body mount's bare metal connection to the Jeep.
Thanx!
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Old 09-14-2013, 10:58 PM   #9
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Quote:
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Ihave a left mount (drivers side)
Right. I was just saying that if you got the other side mount you wouldn't have any issue with the bolt.
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Old 09-15-2013, 06:41 AM   #10
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Right. I was just saying that if you got the other side mount you wouldn't have any issue with the bolt.
Got it...Thanx

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