HAM radio and antenna installation - Dodge Cummins Diesel Forum
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post #1 of 14 (permalink) Old 03-24-2020, 10:47 PM Thread Starter
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HAM radio and antenna installation

I’m looking for ideas and input on installing a mobile ham radio in my truck. I have a 2017 Mega cab. I will have a switch pros installed by the time I put in the radio, so power hookup is a non-issue. I’m more looking for how you all installed your antennas, ran antenna cable into the cab, and where you mounted to head unit.

I will probably install a CB as well.

I am going with the Icom ID4100 for the VHF/UHF. And the midland for the CB. I already have my HAM license, KM6CDF for the fact checkers out there. I got my license when I had a Kenwood in my Jeep.

Looking forward to read your thoughts on this.

Jon

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post #2 of 14 (permalink) Old 03-25-2020, 07:55 AM
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I installed 1/4 waves on the roof, yes, drilling the 3/4 inch holes was painful and I did it for both my trucks (twice the pain). I used a step drill bit to reduce burrs on the inside edge of the hole and painted the hole's rim edge with touch-up paint. I ran the feed lines down the C pillar to the radio. I mounted the control head in the center console bin. I have no idea where you could mount a CB antenna, possibly look at a bed stake mount, that is what my son did.

I used Motorola MNO mounts and Larson rain caps (excellent quality) for cash washes. I sourced all parts through R and L in Ohio.
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post #3 of 14 (permalink) Old 03-25-2020, 08:55 AM Thread Starter
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Quote:
Originally Posted by boshog View Post
I installed 1/4 waves on the roof, yes, drilling the 3/4 inch holes was painful and I did it for both my trucks (twice the pain). I used a step drill bit to reduce burrs on the inside edge of the hole and painted the hole's rim edge with touch-up paint. I ran the feed lines down the C pillar to the radio. I mounted the control head in the center console bin. I have no idea where you could mount a CB antenna, possibly look at a bed stake mount, that is what my son did.

I used Motorola MNO mounts and Larson rain caps (excellent quality) for cash washes. I sourced all parts through R and L in Ohio.
When you came through the roof and dropped the headliner, were you worried about the airbags deploying?
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post #4 of 14 (permalink) Old 03-25-2020, 09:09 AM
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I used a stake pocket mount,

https://www.wearecb.com/firestik-ss1...BoC6WYQAvD_BwE

Similar to the one above. YOu can get them with NMO holes as well. I run a Larsen 2/70 antennae and it gets out really well.

Came into the cab underneath the rear seat. Drilled a hole and used grommets. Mounted my radio under the rear seat and ran a remote headunit to the dash above the radio. Mounted a ram mount ball to the center stack bezel.

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post #5 of 14 (permalink) Old 03-25-2020, 01:27 PM
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This was my original CB installation back when I was n00b with RF.

Since then I've replaced the Wilson garbage with a NMO low band antenna on a NMO mount. To the rear of that sits a 5/8 wave UHF antenna for the DMR rig. Both have nice holes drilled through the roof.

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post #6 of 14 (permalink) Old 03-25-2020, 08:36 PM
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Quote:
Originally Posted by JonnyL View Post
When you came through the roof and dropped the headliner, were you worried about the airbags deploying?
No. I didn't mess with any of the factory wiring. The factory wiring is all bundled and retained.

If you remove the rubber gasket around the door opening it allows the headline to lower enough to fish the feed line out.

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post #7 of 14 (permalink) Old 03-26-2020, 07:03 AM
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Anyone try these?

https://www.bulletproofdiesel.com/th...p/90201152.htm

Also wondering why it wont work with the backup camera third brake lights. There the same mount dimensions. I have the backup third brake light
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post #8 of 14 (permalink) Old 03-26-2020, 09:58 AM
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Originally Posted by RichardCalvin View Post
Wow! $330 for a $14 mount just because it is on the 3rd brake light. Something only the more wealthy would purchase I would think. Besides, the goal of an antenna, particularly in HAM radio, is to get a good transmit radiation pattern to hit those repeaters. Nothing beats a 1/4 wave center-mounted roof antenna.

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post #9 of 14 (permalink) Old 03-26-2020, 11:01 AM Thread Starter
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I had thought about a magnetic mount, but I getting a little nutty about having a clean look. There is also the hood antenna mount, I think they run about $50 with tax and shipping. I may just bite the bullet though and drill the roof. It is a clean look. I have rvt to seal up the hole.

Worst case is using the hood mount and putting a 7" dual band on there for around town use. Then I can have a comet or Larsen behind the seat and put that on when I had up into the mountains. I hesitate with the hood mount because I had something similar on my jeep, and when I got over 60mph, all I heard was whistling.
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post #10 of 14 (permalink) Old 03-26-2020, 12:13 PM
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This is how I mounted my CB. Took out little plastic insert in tray and used, believe it or not, some shock bushing sleeves and a rubber insulator top and bottom of bushing for vibration. Wires run behind dash and come out of your choice of speaker or defrost. I will be moving the wires and antenna to the area where the plastic coin tray on the top of dash under the radio itself. This install was a prelim to get on the road for a trip to Washington state. Antenna is mounted on my headache rack. The small grey legs were from my tire pressure monitor dash-top tray. Hope it helps. The Bracket for my CB had two holes that actually lined up, but, if yours don't, two holes are an easy thing. Later
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post #11 of 14 (permalink) Old 03-26-2020, 04:49 PM
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Quote:
Originally Posted by Busted View Post
This is how I mounted my CB. Took out little plastic insert in tray and used, believe it or not, some shock bushing sleeves and a rubber insulator top and bottom of bushing for vibration. Wires run behind dash and come out of your choice of speaker or defrost. I will be moving the wires and antenna to the area where the plastic coin tray on the top of dash under the radio itself. This install was a prelim to get on the road for a trip to Washington state. Antenna is mounted on my headache rack. The small grey legs were from my tire pressure monitor dash-top tray. Hope it helps. The Bracket for my CB had two holes that actually lined up, but, if yours don't, two holes are an easy thing. Later

Looks nice and clean. Which dash mat are you using?


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post #12 of 14 (permalink) Old 03-26-2020, 08:09 PM
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Looks nice and clean. Which dash mat are you using?


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Thanks. Got the mat from Genos Garage. I think it's called the "Ultimat". It's molded and actually does fit very good. Dash reflection on the windshield is completely gone except for the reflection of the back of the CB. That will be addressed shortly.

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