Question about Cobra 29 LTD CB Radio

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Have cobra classic 29 nightwatch. have good antenna, good coax, sri's under 1 but I can't hear allot of answers back over the road without someone closer telling me what what said

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Try making sure the RF gain is up all the way. Make sure all connections are good and tight, use the best antenna you can get. I love the 102 inch steele whip myself, just depends on what vehicle it would be on. conditions here the last few months have been pretty good for 10 meter ham and other ham bands, pretty bad for cb because so much skip/

Posted on Jul 29, 2009

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Posted on Jan 02, 2017

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1 Answer

Can hear but they can't hear me


It could be a number of problems but most likely your RF power amplifier has blown. Also, try and check your antenna SWR. if it is very high, then your antenna needs retuning. A poorly tuned antenna can cause the RF amplifier to fail.

Mar 03, 2014 | Cobra 29 WX NW ST 40-CHANNEL NIGHTWATCH CB...

1 Answer

I have a cobra 29 ltd classic that didn't work in


You say you are getting no sound, do you mean that you do not even get static?

Here is a couple of things you can do:

1. Make sure the CB/PA switch is in CB
2. Switch the NB/ANL switch to off
3. Turn the squelch all the way counter clockwise
4. Turn the RF Gain all the way clockwise

With all of the settings like this, you should at least get static if the antenna, coax, and coax connector into the radio pc board is good.

You can make sure the antenna is not grounding out to the antenna bracket. Make sure the plastic ferule (usually white or black) is mounted on the top of the bracket, under the coupler with the lip facing down. This is used to insulate the antenna from the bracket. If the antenna itself is grounded out to the vehicle, it will be like you have no antenna at all.

If you look at the picture I attached, you will notice a small white piece on top of the mounting bracket.


Did the CB tech make sure you have a good ground plane? This is accomplished by making sure the antenna mounting bracket is grounded to the vehicle and the plastic ferule is on the top of the bracket, not under.
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Feb 09, 2012 | Cobra Radio Communications

1 Answer

AntennA IiNinSinsTinstRinstrUinstruCinstrucTinstructiOinstructioNinstructionSinstructionS


are you asking for antenna mounting instructions? if so here is your answer. Mobile antenna mount as high as possible on vehicle, make sure coax wire is run where it will not get crushed or come into contact with any moving part. make sure antenna is properly grounded and tune for lowest possible SWR. 1.5:1 is good.

Dec 11, 2011 | Cobra 29 LTD CB Radio

1 Answer

I have a cobra nightwatch classic and i cant get it to key in and i have an antanna and a coax cable buut i cant get nothing out of it FCC ID-BB03K229LTD SERIAL ID-804124807


Hi michael, my name is John. Welcome to FixYa. Try a different mic first, then if that does not work, then we will look at the transmit section. Let me know and I will post the tools needed to do the job here. Thanks for choosing FixYa....John

Nov 30, 2010 | Cobra 29 LTD CB Radio

1 Answer

I have Cobra 29 LTD Classic and need to know how to take the old co-ax out to put a new one in????


you just unscrew the coax from the back of the radio. there is no coax in the radio. Coax is the wire that runs from the radio to the antenna.

Nov 14, 2010 | Cobra Radio Communications

1 Answer

I have a cobra 29 nw ltd classic i cannot hear or be heared


Start with the antenna that you have hooked to it, is it grounded, is the coax in good shape, is the connector in good shape. stuff like that.

Jun 14, 2009 | Cobra 29 LTD CB Radio

1 Answer

Cobra 29 LTD Classic not transmitting or receiving


ant. light should only come on if you have a high vswr a bad thing did you check that cb/pa switch is set to cb check your swr this is not a good place to mount ant. as it is close to metal of back of cab

Dec 20, 2008 | Cobra 29 LTD CB Radio

1 Answer

Cobra 29 LTD Classic not transmitting or receiving


As I understand from a tech friend of mine, most truck beds are not grounded well enough. Perhaps you could borrow/purchase a magnet mount antenna and locate it on the roof, for testing. Then you would have it narrowed down to the location.

Dec 05, 2008 | Cobra 29 LTD CB Radio

1 Answer

Power options at home for Cobra 29.


FIRST THINGS FIRST, YOU NEED AN ANTENNA THE BETTER THE ANTENNA THE BETTER PERFORMANCE YOU GET, TRY A IMAX 2000,THAN PUT IT AT LEAST 10-20 FEET INTO THE AIR, THAN GET A GOOD COAX TO RUN FROM ANTENNA TO RADIO, NOW GO GET A NICE POWER SUPPLY AT LEAST A 8-12 AMP 13.8 VOLT POWER SUPPLY, THAN CONNECT RADIO TO POWER SUPPLY, CONNECT COAX TO CB REMEMBER TO GET A SWR / POWER METER SO YOU CAN MAKE SURE THE SWR IS AT LEAST 1.1 :1 THIS IS BEST, BUT ANYTHING UNDER A 2 IS OK, YOU WILL NEED A COAX JUMPER FOR THE METER, AFTER YOU CHECK EVRYTHING OUT GOTO CHANNEL 19 THAT IS MOST OF THE TRUCK DRIVERS IN YOUR AREA AND TRY AND TALK TO THEM, IF YOU ASK FOR A RADIO CHECK THEY MAY HERE YOU BUT ARE NOT UNDER ANY OBLIGATION TO ANSWERE YOU, SO LISTEN, ALWAYS ASSUME THEY DO HEAR YOU, IF YOU WANT MORE FUN OR BANG FOR THE BUCK GET A SIDEBAND RADIO
TALKS FURTHER, YOU LISTEN TO CHANNEL LSB 38 , MOST PEOPLE TALK HERE ARE IN THE U.S.A. EAST COAST TO WEST COAST NORTH TO SOUTH, HAVE FUN IT IS A HOBBY...HOPE YOU LIKE IT IF YOU CHOOSE IT....

Sep 29, 2008 | Cobra 29 WX NW ST 40-Channels Base CB...

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