Question about Cobra Radio Communications

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I want to wire a frequency counter to my 142 GTL cb. where do I connect it on the pc board?

142 gtl base

Posted by Anonymous on

1 Answer

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  • Cobra Master
  • 1,795 Answers

It should come with a manual that tells what radio is hooked up how.

Posted on Aug 23, 2014

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Posted on Jan 02, 2017

Mechanic688
  • 204 Answers

SOURCE: B- kit

I think it would be better to buy an expo kit already built for your radio. There is other components on the board with the crystals and their values are very critical for tuning it exactly on frequency. Good luck with it,, Mechanic

Posted on Jan 14, 2008

  • 1 Answer

SOURCE: frequency counter keeps going off frequency

i was told that i have a couple of chips going bad

Posted on May 30, 2008

Communicomm
  • 90 Answers

SOURCE: Cobra 142 GTL no dead key

Are you sure that you're on the AM mode? It sounds more like you're on LSB or USB. If you are on AM, the problem may be the power control (VR6) inside the radio.

Posted on Nov 12, 2008

  • 40 Answers

SOURCE: just need a diagram for the 21 gtl cb radio, where

you can find the diagran for this radio at the following web site:

www.cbtricks.com look in the radio section go to the c sections look in the cobra dynascan section find the cobre 21 gtl click on the radio and down load the pdf file in the schematic section good luck.

Posted on May 10, 2009

  • 1274 Answers

SOURCE: Where do you do the setting to increaese output on

You can try this, take the cover off (speaker side) look for TR24 and cut it, one end will do, the remove these, look for R126, and change it to a 2.2k resistor re soldering it in place, makes no difference which way you install it, then look for R124 and replace it with a 2.2k resistor doing the same, then look for L37 and L38 and with a watt meter in line putting a three foot coax jumper in line from radio to watt meter on the lowest scale, tune them for maxim RF output....hope this was helpful...

Posted on May 20, 2010

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1 Answer

I have cobra ca61 desk mic i need it wired to my cobra 142 gtl home base. the base has 5 pins so i need my mic to be wired for 5 pin... any ideas?


cobra 5 pin to 4 pin adapter on ebay around $5.00
http://www.ebay.com/itm/WORKMAN-C4P5C-CB-RADIO-MICROPHONE-ADAPTER-5-Pin-COBRA-TO-4-Pin-COBRA-/121655850211?hash=item1c5340f4e3:g:e0AAAOxy2YtRsJ8n

Apr 10, 2015 | Cobra Radio Communications

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Cobra 142 GTL feeback audio


put on a different mic and see if it still happens.I am going to attempt to draw an insert so if it works follow it if it doesn't I'll explain it.
this wire is the audio on the inside of mic
-------------------------------X-------(4700ohm 1/4 w res) ----X---------
.001 .001
this wire is the shield
-------------------------------X-------------------------------------X----------
at the point marked with X take two .001 capasitors and wire them from one wire to the other. this should make your squeal go away.

Apr 16, 2014 | Cobra 148 GTL 120-Channels Base CB Radio

1 Answer

I need to wire a silver salute mic to a cobra 142 gtl 5 pin what color wire goes towhat mic pin


dont go by colors.. go by what wires are on the switch and mic element.. mics can be rewired and no one told you the colors could have changed FYI..

Pin #1 ~ Audio
Pin #2 ~ Shield
Pin #3 ~ Receive
Pin #4 ~ Switch Wire
Pin #5 ~ Transmit

always go by connections not color of the wire. that way you learn and you can do any mic. to any radio.

Nov 30, 2013 | Radio Communications

1 Answer

Radio is a cobra 142 gtl s/b turned on switch and no power, check fuse is ok.


Hi, my name is John. Welcome to FixYa. Make sure that you are getting power to your unit by running the wire to the battery, hot (+) and ground (-), let me know if you still have no power and I will post solution here. Thanks for choosing FixYa....John

Nov 15, 2010 | Cobra 148 GTL 120-Channels Base CB Radio

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I got a 142 cobra base i need to find 12 volt on the main board to put a trb-x2 (echo board)


look at the power knob inside the radio. With the face, facing you, it should be the tab on the left. Depending on what year it is it could be a pinkish wire..

That is the switched 12v off the power knob. Use a digital multimeter to make sure.

Oct 23, 2009 | Cobra 148 GTL 120-Channels Base CB Radio

1 Answer

Low dead key on my radio


If it is a 142 GTL your A.M. power is VR6 . Good luck and be carefull and DON'T get carried away remember AT YOUR OWN RISK NO LIFE GAURD ON DUTY!!!! You should'nt have any problems though......Dan

Apr 01, 2009 | Cobra 148 GTL 120-Channels Base CB Radio

1 Answer

B- kit


I think it would be better to buy an expo kit already built for your radio. There is other components on the board with the crystals and their values are very critical for tuning it exactly on frequency. Good luck with it,, Mechanic

Dec 11, 2007 | Radio Communications

2 Answers

Frequency counter keeps going off frequency


You might have a cold solder joint ( soldered connection broken from pc board ). Also another problem I have encountered is the variable capacitor that makes the frequency adjustment on the frequencie board may be bad. I hope this has helped. Good Luck
Ed
NC Electronic
Mills, Wyoming

Nov 30, 2007 | Galaxy Radios DX- 88HL Base CB Radio

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