Question about Cobra 148 GTL 120-Channels Base CB Radio

1 Answer

Doesn't Work My radio can't recieve or send anything. The meter doesn't move when transmitting!! It has power!!!

Posted by on

1 Answer

  • Level 1:

    An expert who has achieved level 1.


    An expert that got 5 achievements.


    An expert whose answer got voted for 20 times.


    An expert who has answered 20 questions.

  • Contributor
  • 32 Answers
Re: Doesn't Work

I know this may sound stupid. I can not tell you how many times a radio came into the shop with this problem.try this make shure that the cb/pa switch is on cb not PA.  

Posted on Oct 31, 2007

Add Your Answer

0 characters

Uploading: 0%


Complete. Click "Add" to insert your video. Add


3 Points

Related Questions:

1 Answer


try blowing some canned air on the knob and switch to remove dust , also try a dash of electrical component spray on them , then see if it works.

May 06, 2015 | Cobra 29 WX NW ST 40-Channels Base CB...

1 Answer

Cb radio transmitting problems

Check your microphone and the SWR on the antenna.
SWR checks or bench checks should be free at a RadioShop or CBshops, and normally they will only charge for parts needed.

May 04, 2013 | Cobra 29 LTD CB Radio

1 Answer

I have a galaxy dx 99 v mobile radio, and if I go to any channel, I can recieve it fine..but when I transmit it goes into to 29.0000 and higher frequencies...can you help me fix this? I love this radio and...

it is a cheapo if it doesn't work properly. How long have you had this radio and its problem? If its still under warrenty I'd send it back to have them fix it.

May 19, 2012 | CB Radios

1 Answer

S/rf is too high on transmit on my cobra 29 ltd bt

no matter what s/rf you are looking at it should not key much beyond an s-9 . vr 3 controls the meter. Key the mic and adjust it to s-9 then check you modulation.If you still think you need more then adjust vr 4 .

Jan 07, 2012 | Cobra 29 LTD CB Radio

1 Answer

Got a connex 3300HP has a ranger board and chipset won't modulate recieves fine keys up relay clicks needle doesn't move no voice either cant find schematics

You may have a dead meter.
Modulation is audio's affect on swing wattage or pep. Notice that needle moving more with your voice.
Dead key or carrier wattage is without your voice enhancing the power only with mic keyed.
I can only assume that the chipset you are referring to is an ic chip audio or pll which must be working if you are receiving audio.
Check your mic cord................ transmit and modulation and even your receive volume can be affected by the cord/mic plug solder joints or broken wires here. this is a similar radio the General Lee, Connex 3300hp and Galaxy hp2 share boards i believe dont hold me to that thou.

Aug 20, 2011 | Connex 3300 240-Channels Base CB Radio

1 Answer

I can only hear the others. When I talk they can't hear and my red anntenna keeps coming on when I push button to talk.

Assuming the antenna is mounted and grounded correctly,when you try to transmit/talk does your meter needle move to the right with your voice,if it doesn't make sure meter knob is set to receive/transmit or mod[modulate] does it move to right now,if not make sure the mic gain knob is turned up or if it is a power mic,is it turned up&have a fresh battery.The antenna light could mean high swr readings which you will have to adjust by tuning the antenna with the radio meter or external meter,you can search swr adjustment on your computer if unfamiliar..some antenna warning lights are factory set too sensitive but most times are telling you there is a problem.If all is set&tuned properly and you still can't get a local signal to respond, your radios transmit finals could be blown,which you'll need a qualified radio tech to determine..Good luck& 73's

Aug 13, 2011 | Cobra 29 LTD CB Radio

1 Answer

CB radio recieves but does not transmit.

I would recommend that you put an swr meter (CLICK HERE) between the radio and the antenna to see if your radio is transmitting anything at all. Also, it will check to see if your radio is correctly matched to your antenna. If your antenna is not matched correctly it will fail to transmit correctly.

Nov 09, 2009 | CB Radios

1 Answer

My cb transmits with a very weak signal and won't recieve anything. The weather band recieves with no problems. I couldn't even pick up a signal on my SWR meter but a friend of mine tested it on his home...

There are a few things that could be wrong. If there is something wrong with the mic, you may not hear anything on the radio. but weather will work.

Other then that, the receive section of the radio could be blown.

Try a new mic, and if it doesn't work, then there is something blown in the radio. It needs a tech.

Sep 25, 2009 | Cobra 18 WX ST 40-Channels Base CB Radio

Not finding what you are looking for?
Cobra 148 GTL 120-Channels Base CB Radio Logo

Related Topics:

97 people viewed this question

Ask a Question

Usually answered in minutes!

Top Cobra CB Radios Experts

Level 2 Expert

489 Answers


Level 3 Expert

3018 Answers


Level 2 Expert

204 Answers

Are you a Cobra CB Radio Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides