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Old 08-09-2010, 02:38 PM   #1
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Mounting a CB radio in your TJ

I want to mount a CB radio in my Jeep and I'm considering the Cobra 75 WX ST system. Has anyone used this system? How about other systems? How did you mount yours if you didn't use a 75 WX ST?

Any ideas, pics, thoughts would be welcome!

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Old 08-09-2010, 02:49 PM   #2
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I have the Cobra WX75 in my TJ. I mounted the control box behind the dash on the driver's side. I did cut a hole thru the plastic panel to run the cable through for the mic. In hind site, I should have just run it down under the dash. From there, I ran the antenna cable behind the dash over to the passenger side then along the right side of the vehicle out the back at the rear window since my antenna, when mounted, is on the swing out tire carrier.

When I installed the same CB in my wife's XJ, I did it a little differently since I didn't want to cut too many holes. The control box is underneath the front of the center console. The antenna cable in run from there under the carpet to under the rear seat then out the side door for a magnet mount antenna. There is enough give along the edges of the center console to run the mic cable out. All power cables run up under the dash from the front of the console. I am giving you all this info since the consoles are similar between vehicles. Hope this info helps.

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Old 08-09-2010, 03:06 PM   #3
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Personally, I'm no fan of the 75 WX ST for a couple reasons. First, and this is especially true if your TJ is a little noisy inside as my TJ is, its speaker is inside the microphone and as a result, is VERY tiny. It can't produce enough volume with clarity to overcome a noisy environment which could be anything from loud tires to having the top off.

You can get around that by installing an external speaker but that eliminates much of that radio's benefit of potential easier installation. Having used that radio, I wouldn't run it without an external speaker.

Personally, I'm a fan of radios that already have an adequate built-in speaker that is far more suitable for a noisy Jeep. Cobra makes them but my two preferred brands are Uniden and Midland. For under $50 on the Internet, you can get the superb Uniden Pro-520XL. For under $40, you can get the Uniden Pro-510XL with two less bells & whistles including the PA function and the unneeded RF Gain control. All mentioned radios put out the same transmitted power and receive fine so any will communicate over the same distances.

Antenna-wise, a 2' to a 4' is adequate. My own TJ gets along fine with a 2' mounted onto my spare tire carrier and it gets out as well as anyone else's on the trail. I would only go 4' if you plan to mount it on the bumper.

Make sure to only power it directly from the battery, don't power it from the cigarette lighter or fuse box as those locations are usually electrically very noisy (whine, static, etc.).

A very easy way to install a conventional CB is to the center of the center rollbar hoop at the top. You can see what channel it's on via the mirror and its speaker is right next to your ear to make it easily heard. Not to mention the microphone can drop straight down and sit in a cup holder while you're on the trail. A couple sheet metal screws screwed into top of the center hoop through the mount will hold it in place.

The below pic is how I used to mount my CB and it worked very well for 7-8 years. It didn't cost anything either. I only moved my CB up front to a commercial radio mount because I added a 2m ham radio and that location no longer worked well for the both of them.
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Old 08-09-2010, 03:20 PM   #4
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Thanks for the comments.

I figured the 75's speaker was anemic at best and planned on mounting the Cobra noise canceling external speaker in this location:



I was shooting for the cleanliness of an install like this:



In my last Jeep I mounted the regular CB behind the center console but even with the speaker pointed outwards it wasn't loud enough for me to hear much of the time. I was thinking having a speaker over head would be ideal. I noticed you mounted your CB up there... which is an idea I hadn't considered. Thanks for the pic.
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Old 08-09-2010, 03:45 PM   #5
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It is true about the speaker being in the mic. I had kind of forgotten about this since I have the external speaker which is behind my head on the roll cage. I fear of mounting the cb to the roll cage comes from a friend with a Tuffy add on that runs from the center bar to the windshield. I have hit my head on that several times but there are many people out there with their cb set up in that area that maybe it's just me. HA!

I think, it was years ago I bought it, the reason I went with the 75 was that you would disconnect the mic with all the controls in it and lock it up. I did that for a little while but it became a gain to do every time I parked the TJ somewhere.
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Old 08-09-2010, 04:02 PM   #6
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I have been tryin to figure out where to mount an external speaker for my CB. I have the actual radio mounted down low so it is hard to hear people with the top off...that pic by Gladius looks like a pretty good spot..thanks for that
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Old 08-09-2010, 04:10 PM   #7
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I just picked up my Cobra 25 series today for $25 bucks, got a 4' antenna and cable for $25 bucks. Good thing i run by alot of truckers getting rid of things at work haha.

Im planning to mount it under the dash or right above the console. Not sure, will take pictures.
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Old 08-09-2010, 04:13 PM   #8
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Here is where I have my CB mounted.

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Old 08-09-2010, 05:32 PM   #9
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That dirt looks a lot like Big Bear dirt!

Donn
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Old 08-09-2010, 05:38 PM   #10
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That dirt looks a lot like Big Bear dirt!

Donn
Are you talking about my picture? If so, thats just a bunch of boring Ridgecrest dirt The Big Bear dirt came a few months after this picture.
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Old 08-09-2010, 06:44 PM   #11
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I have not added any accessories myself. Where do you hook up the 12 volt power for the CB?
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Old 08-09-2010, 06:46 PM   #12
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I have not added any accessories myself. Where do you hook up the 12 volt power for the CB?
Straight to the battery.
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Old 08-09-2010, 06:51 PM   #13
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Where do you hook up the 12 volt power for the CB?
You mean besides where it was suggested way up above in post #3, third point from the bottom?
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Old 08-09-2010, 06:55 PM   #14
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I have an old school mini CB that I have mounted with HUGE velcro straps on the driver side sport bar. Its not the most secure location but if my 15 y/o CB gets stolen oh well. I like the location just because it is is easy to hear and access w/o drilling any holes into my dash or console.
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Old 08-09-2010, 08:21 PM   #15
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Quote:
Originally Posted by Jerry Bransford View Post
You mean besides where it was suggested way up above in post #3, third point from the bottom?
What I did was my old cb was run a relay for it so I didn't have to worry about forgetting to turn it off when I shut my truck off...I tapped the relay coil wire to the hot wire on the cigarette lighter and the other side to ground. Then I ran a wire from the battery to the relay's common terminal and the normally open terminal to the cb power wire, although for that if there's another wire that is keyed with the ignition near the location for the relay, you can just tap off that wire.

That way it's still wired directly to the battery, but it also turns off when you turn the ignition off...only drawback is you have to have your ignition on or engine running in order to use the cb.
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Old 08-10-2010, 01:34 AM   #16
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What I did was my old cb was run a relay for it so I didn't have to worry about forgetting to turn it off when I shut my truck off...I tapped the relay coil wire to the hot wire on the cigarette lighter and the other side to ground. Then I ran a wire from the battery to the relay's common terminal and the normally open terminal to the cb power wire, although for that if there's another wire that is keyed with the ignition near the location for the relay, you can just tap off that wire.

That way it's still wired directly to the battery, but it also turns off when you turn the ignition off...only drawback is you have to have your ignition on or engine running in order to use the cb.
Modern CBs draw so little current that there's no need to worry about them draining the battery. You could leave a CB on for weeks without ever starting the engine and it wouldn't drain the battery. With the squelch on so there is no hiss in the speaker, a CB accidentally left on draws no more power than a digital clock does.
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Old 08-10-2010, 02:14 AM   #17
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these tj's look absolutely nothing like my yj. It's like modern technology. A radio that works, air conditioning, speakers, and carpet. I love them but loathe them at the same time. I want a cb as well, but I can tell you I couldn't care less about holes in my jeep, yj's are made for holes, usually of rust. Mine has no rust though. thanks for the input on where to mount them though, as seeing the one thing we have in common is the fact that there's a roll bar, and an engine. Here's to square headlights.
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Old 08-10-2010, 09:03 AM   #18
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Ok, i've been whoring these for a while now, but what can i say, Arizona Rocky road CB mounts are the best for the space they take up...

ARIZONA ROCKY ROAD ANTENNA MOUNTS FOR JEEP WRANGLER, UNLIMITED AND LIBERTY

The antenna mount ain't bad either ;-)
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Old 08-10-2010, 09:54 AM   #19
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OK, i've been whoring these for a while now, but what can i say, Arizona Rocky road CB mounts are the best for the space they take up...

ARIZONA ROCKY ROAD ANTENNA MOUNTS FOR JEEP WRANGLER, UNLIMITED AND LIBERTY

The antenna mount ain't bad either ;-)
That's what I ended up using on my replacement TJ.
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Old 08-10-2010, 10:48 AM   #20
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I want to mount a CB radio in my Jeep and I'm considering the Cobra 75 WX ST system. Has anyone used this system? How about other systems? How did you mount yours if you didn't use a 75 WX ST?

Any ideas, pics, thoughts would be welcome!
I have one in my Jeep and OBM has one in his truck.
Mine is mounted behind the knee panel below the steering column. I routed the wire in front of the console to the passenger side of the console and used a mount from Quadratec to put the mic there.






I have an external speaker firmly zip tied above my rear view mirror to the little metal hoop on the windshield frame.

My antenna wire runs under the carpet, and is attached to my swing away tire carrier.
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Old 08-10-2010, 10:54 AM   #21
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That's what I ended up using on my replacement TJ.
You should submit your photo to the guy that makes them Jerry. It looks like a great idea, but as bad as the images are I wouldn't be likely to buy one simply because I couldn't see what it was. Had I seen it before I spent hours and hours researching and finally replacing my original CB with the one I have now, I may have likely jumped on it.

On a side note, doesn't the mic cord drive any of you crazy swing around in your face like that?
I used to have mine mounted on the roll bar between the seats and the cord swinging around all of the time in my rear view mirror bugged the crap out of me.
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Old 08-10-2010, 10:58 AM   #22
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On a side note, doesn't the mic cord drive any of you crazy swing around in your face like that?
I wrap the mic cord around the support bar once when I'm offroad which can make them sway around more. That gives enough slack for easy use but prevents the cords from swaying around.
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Old 08-10-2010, 11:11 AM   #23
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I wrap the mic cord around the support bar once when I'm offroad which can make them sway around more. That gives enough slack for easy use but prevents the cords from swaying around.
I can see it now, it would flop down once too often and hit me in the face and I'd rip it off and hurl it out of a moving vehicle. I don't think I have the temperment fot it
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Old 08-10-2010, 11:14 AM   #24
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I can see it now, it would flop down once too often and hit me in the face and I'd rip it off and hurl it out of a moving vehicle. I don't think I have the temperment fot it
Even when I don't wrap the cords around anything, I don't think it's ever done that.
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Old 08-22-2010, 03:19 PM   #25
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Where is there access through the firewall to run the wire to the battery, and how much of the dash do I need to take apart to get to this hole?
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Old 08-22-2010, 03:22 PM   #26
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Where is there access through the firewall to run the wire to the battery, and how much of the dash do I need to take apart to get to this hole?
So long as you don't have an automatic transmission, there is a big blank black grommet you can drill & run wiring through located just above and to the right of the accelerator pedal, near the transmission hump.
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Old 08-22-2010, 09:10 PM   #27
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Here is where I have my CB mounted.

i have the same cd player and am planning the same cb location.
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Old 09-19-2010, 10:14 AM   #28
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I'm thinking about getting a teraflex under-the-taillight antenna bracket. Any problems with this on a TJ? I'm thinking specifically about reflection issues with having the back of the stock TJ roll cage parallel with the antenna within a foot of the antenna. I am leaning toward a 3 foot antenna, since the mounting point is higher than a bumper mount. Also, any preferance over driver side or passenger side mounting?
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Old 09-19-2010, 10:34 AM   #29
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Tera's mount works fine, just make sure it make good bare metal contact with the tub or you'll have problems getting a good low SWR when you tune the antenna. A 3' works fine, I am using a 2' at that location which works fine on the trail too. A Firestick with a tunable tip is a good choice, the 3' would be their FS-3 model and the 2' is an FS-2.
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Old 10-02-2010, 05:12 PM   #30
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I hooked up a uniden kit going directly to the battery. When I run the engine I get a lot of interference that is not there when the engine is off. Is there anything that can be done to reduce the interference? Would it help to try to shield the 12 volt wire?

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