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Old 08-23-2016, 04:36 PM
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CB Antenna wiring

How are you TJ guys getting the antenna cable inside the cab? I see under the drivers tail light there is a hole I could feed it and a hole on the inside by the roll bar which has a hard rubber filler. Are you guys punching a hole in that rubber to feed it down and out the hole under the tail light?

Thanks

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Old 08-23-2016, 08:11 PM   #2
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I just ran the coax up through the gap at the bottom corner of my soft top rear window ('cause there's always a gap) and then along the wiring bundle that runs along the left side of the tub. No need to try to snake it through a grommet. Although my mount is bolted to the tub (yeah, I drilled holes in the tub, it's not the first time) it should work just the same if you have one of the tail light mounts. If you have a hard top this approach probably won't work, but your way should be OK. I don't recall - is the hole at the tail light big enough to fit the PL-259 (or FireRing) connector or would you have to run the coax first, then install the connector?

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Old 08-24-2016, 10:23 PM   #3
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^^^^^100% ditto !

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Old 10-15-2016, 11:38 AM   #4
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Hey does anyone know when running coax from antenna to CB without a PL -259 connector on one side. Is a solder-less connector OK in regards to performance?
Also, can I assume that the less extra cable in the run is better?
Thanks
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Old 10-15-2016, 12:26 PM   #5
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Right Channel Radios installation guide has you route the coax through your tail light assembly (at least for my TJ):

https://cdn.shopify.com/s/files/1/06...view.pdf?28581
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Old 10-15-2016, 11:37 PM   #6
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Quote:
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Hey does anyone know when running coax from antenna to CB without a PL -259 connector on one side. Is a solder-less connector OK in regards to performance?
Also, can I assume that the less extra cable in the run is better?
Thanks
Solderless connectors aren't as mechanically good as a good soldered connector. For me I used a solder pencil to remove the solder-on connector, ran the cable, and then soldered the connector back on. The solder connector is huge and very forgiving of a person with poor skills. The hardest part is getting the wire stripped correctly.

If you're going to drill a hole you really ought to run a rubber grommet so the wire doesn't get pulled though the sharp edges and when you're done it doesn't rub and chafe as the Jeep bounces around.

Using a proper crimp tool a solder-less connector is OK.

Common wisdom is excess cable should not be cut down but rather flaked out - spread out around the firewall or somewhere. Do not wrap it into a nice neat tight coil.
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Old 10-17-2016, 02:18 PM   #7
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Common wisdom is not always correct. Nothing wrong with shortening an antenna cable as long as you leave some play in it. Should not be taut.
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Old 10-17-2016, 06:18 PM   #8
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Yep.

You need enough coax to get from the antenna to the back of the radio leaving enough slack for future maintenance. (replace connector, pull radio out of mount, etc). Thats it.

If X amount of coax gives you a good reading on the SWR meter then its putting a bandaid on another problem(*). The coax is acting like the counterpoise instead of what its mounted to. I think thats why the often quoted CB antenna maker says you need 18' on their antennas. They don't want customers returning their antennas because they cant get low SWR reading on antennas mounted to bad spots.. mirror mounts..fiberglass cabs..


(*)Some might find the bandaid acceptable though. They just want to have comms close in and not drill 100 holes in their ride finding the best spot by trial and error or they are OK with trading some performance for looks.
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Old 10-17-2016, 06:31 PM   #9
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Solderless connectors aren't as mechanically good as a good soldered connector.
I'm a big fan of soldering most connections and I've been soldering most of my connections since the early sixties. However, soldered connections are not always mechanically or electrically superior to crimped for all types of connections.

Here's a good neutral article on the pros & cons of soldered and crimped connectors. And just a FYI, pretty much all of the wiring connections on the space shuttle were crimped due to high vibration levels aboard the shuttle.

http://www.rfcoaxconnectors.com/Tech...mpvsSolder.htm
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Old 10-17-2016, 09:02 PM   #10
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Here's a good neutral article on the pros & cons of soldered and crimped connectors. And just a FYI, pretty much all of the wiring connections on the space shuttle were crimped due to high vibration levels aboard the shuttle.
Sorry Jerry, no linky.
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Old 10-17-2016, 11:53 PM   #11
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Thanks for the response, is there a special crimper needed? Other than a standard pair of Ideal crimper said?
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Old 10-18-2016, 01:19 AM   #12
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Sorry Jerry, no linky.
Whoops sorry the link is there now
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Old 10-18-2016, 07:59 PM   #13
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Thanks for the response, is there a special crimper needed? Other than a standard pair of Ideal crimper said?
As long as you have the correct die set in it for the connectors you are using.
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Old 10-18-2016, 08:43 PM   #14
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There are crimpers, and then there are crimpers.

Simple crimpers made like pliers with just a few different sizes of 'teeth' in the jaws are ok for non critical connections. But if you have wiring & connectors that are important or even mission-critical, you want ratcheting crimpers with a die matched to the type & size of connector.

There are crimpers...



And then there are crimpers...

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Old 10-19-2016, 07:43 AM   #15
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Great, thanks
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Old 10-23-2016, 01:20 PM   #16
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Hey was wondering if anyone could suggest wire size to ground homemade aluminum antenna mounting bracket? Bracket will mount to spare tire carrier and be some what insulated from chassis due to tire carrier paint and bolts.
I would imagine I could drill a self taping screw with ring terminal to bracket?
Thanks for any suggestions
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Old 10-23-2016, 04:19 PM   #17
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Hey was wondering if anyone could suggest wire size to ground homemade aluminum antenna mounting bracket
You want/need a braided ground strap for that, not a regular wire. RF grounds for antenna systems are far more demanding than a ground for something like a light bulb, they need a larger surface area on the wire which is why braided ground strap is used.

Like this...
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Old 10-23-2016, 06:55 PM   #18
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Would an auto parts store carry something like that?
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Old 10-23-2016, 08:36 PM   #19
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Would an auto parts store carry something like that?
Yes, or google it and you'll see dozens of online options.
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Old 10-23-2016, 08:57 PM   #20
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I bought these from flebay, and am impressed with the quality. I bought 4 of them. He sells many different sizes.
12" long Universal Automotive Ground Strap 3/4" Tinned Braid w/ 5/16" terminals | eBay

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Old 10-24-2016, 03:45 AM   #21
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Would an auto parts store carry something like that?
Not likely in that smaller size. Look for braided wiring in Fry's, ham/cb shops, Radio Shack, Home Depot, Lowe's, or Amazon.com.
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Old 10-24-2016, 07:07 AM   #22
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Thanks for the suggestions

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