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post #1 of 8 Old 03-26-2010, 03:00 PM Thread Starter
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CB install question

I am just about finished with the CB install, but the antenna has me puzzled.

I've attached 4 pics of what I'm left with. I've fished the antenna thru the back under the carpet and I'm ready to hook it up, but I'm not sure what to do with it now.

Please help.









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post #2 of 8 Old 03-26-2010, 03:24 PM
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Did your coax come that way or did you pull the connector off?

Got a solder gun?

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post #3 of 8 Old 03-26-2010, 03:36 PM
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Looks like you pulled the cable out of the connector, that means you need a new connector unless you have some soldering skills.

You have a soldering iron/gun or a mini torch? If you haven't done it before it can be tricky to not short the shield/braid to the center conductor. Do you have a multimeter so you can check to make sure the cable is not shorted after soldering? Google search for PL-259 instructions.

There are also twist/crimp/solderless connectors. The trick is not all coax cable is the same diameter. Solderless connectors depend on a snug fit over the cable. If the cable has a "RG" number marked on it then you can use that to know the correct connector.

RG-58 (appropriate cable, most likely you have this):
http://www.radioshack.com/product/in...ductId=2103247

RG-59, RG-62 or RG-8/M (inappropriate cable but I have seen it):
http://www.radioshack.com/product/in...ductId=2062629

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post #4 of 8 Old 03-26-2010, 04:23 PM Thread Starter
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I got this CB and antenna from a JKO member.

Would those solderless connectors just twist onto the coax and then plug into the back of the CB?


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post #5 of 8 Old 03-26-2010, 05:23 PM
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Its best to get someone that knows what they're doing to show you how to do it the first time. If you get it wrong and you're lucky, your radio won't work. If you get it wrong and you're not lucky, you'll let the smoke out of your CB.

If, you're feeling lucky, here's the steps you need to do.
Clicky here.

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post #6 of 8 Old 03-26-2010, 05:36 PM Thread Starter
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I'm lost.

How could the antenna burn up the radio?


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post #7 of 8 Old 03-26-2010, 06:30 PM
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Go to your CB owners manual and find out if it's 50 or 75 ohm. Then stop in at radio shack with the connector in hand. They should have a screw-on style that you don't need to crimp. It will be fine. Your connector is a TNC. Threaded, not a bayonet.

If you really want to do it right and can borrow a heat gun from somebody, my company makes these:

http://raychem.tycoelectronics.com/d...320&docId=1131

Again, find out the ohm rating and PM me with that info and the cable diameter. I'll send you a few free-bee's. MacDaddy stuff. Used in mil and aerospace applications. Very easy to install. Pretty much idiot proof. Just kind of expensive for the casual user.
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post #8 of 8 Old 03-27-2010, 07:12 AM
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Originally Posted by jeeperjkj View Post
I'm lost.

How could the antenna burn up the radio?
If the antenna is shorted to ground and you transmit, you can blow the final output amplifier or related circuitry. It doesn't always happen, but happens often enough to try to prevent it, That's why it is important to do a resistance check of your coax assembly before you hook up the radio or antenna.

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