Question about Cobra 148 GTL 120-Channels Base CB Radio

2 Answers


I have a 148f and i cant find a manual(user) for it, also it has a counter. the mic has 5 pin insteads of 4 pin like the 148 gtl any info would help

Posted by joe tank on

  • 1 more comment 
  • jc_61990 Sep 02, 2008

    i have a cobra mike and dont know how to wire it to my cobra 29

  • Anonymous Nov 27, 2008

    i have 148gtl and the only place ive found one is iowa 80 truckstop in walcot ia and need new one now and am looking for one now

  • Anonymous Dec 08, 2008

    wire 4 pin cobra power mic to a 5 pin cobra gtl



2 Answers


Or try this it's the wireing for the 148GTL which should be the same. Pin-1 White, Pin-2Shield, Pin-3 Blue, Pin-4 Red, Pin-5 Blk

Posted on Jul 07, 2007


Mike Longo

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  • 398 Answers

1 - shield, 2 - audio, 3 - rx, 4 - common, 5 - tx

Posted on Jun 26, 2007


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I need to know if it's possible to convert the cobra 148 gtl 5 pin mic jack to 4 pin mic jack.

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1.->2 Audio
2.->1 Shield and common
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4.->also goes to pin 1
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1 Answer

148 gtl 5pin

Looking from inside the radio at the mic jack, with the nub down. Starting from the left is pin 1, pin 2, pin 3, pin 4, and pin 5.

here is the colors that should be attached to each.

1 is white.
2 is sheild.
3 is black.
4 is red.
5 is blue.

Hope this helps. Take care in soldering. It is easier to reach the pins if you remove the 4 screws that hold the face plate on. Be careful not to pull another wire from somewhere.

Apr 20, 2009 | Cobra 148 GTL 120-Channels Base CB Radio

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5 pin mic

All "older", "real" or "desirable" Cobra 148 GTLs came with side-mounted 5 pin microphone sockets. For wiring information, see...

Feb 06, 2009 | Cobra 148 GTL 120-Channels Base CB Radio

1 Answer

Can not recieve properly

IN your CB there are 25 tuneing slugs (square matal cans with
ferrite tuneing slugs) if you speaker output is low leavel but still
clear and free of hash the set should be ok , but you will need to tune these slugs with a small jewlers screw driver (WITH GREAT CARE) as the slugs break easy. If you want to email me it will not be a problem ,cheers , DENNIS [email protected]

May 08, 2008 | Cobra 148 GTL 120-Channels Base CB Radio

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