Question about Cobra 29 LTD CB Radio

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I have a Cobra 21- 23 channel CB and the wires pulled out of the plug. The mike wire has red,yellow black,blue,whiteand a ground. My plug has only four prongs to solder to. What four colors do I use?

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Hello there
Here is the diagram for you
Cobra 29LTD, 29LTD ST, 29WX ST
Documentation Project
CBTricks.com

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25ltd_st_sm.jpg
I have a Cobra 21- 23 channel CB and the wires - cobra_29ltd_st_29wx_st_side.gif See Close-up
cobra_29ltd_st_29wx_st_side.gif I have a Cobra 21- 23 channel CB and the wires - pdf_1.gif 29LTD ST Owners Manual pdf_1.gif
29WX ST Owners Manual pdf_1.gif
DIAGRAMS
I have a Cobra 21- 23 channel CB and the wires - gif.gif ST Schematic Diagram pdf_1.gif
29LTD ST Schematic Diagram gif.gif
29WX ST I have a Cobra 21- 23 channel CB and the wires - pdf_1.gif Diagram pdf_1.gif
WX Schematic Diagram pdf_1.gif
29LTD, 29LTD ST, 29WX ST Factory Service Manual pdf_1.gif
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Page 12 to 34
29LTD Factory Service Manual pdf_1.gif
I have a Cobra 21- 23 channel CB and the wires - jpg.gif 29LTD
29LTD Schematic Diagram pdf_1.gif
29LTD Schematic Diagram jpg.gif
29 LTD Classic Schematic Diagram pdf_1.gif(Courtesy of Rick Jackson)



Mic Wiring
Stock
1- Shield
2- Audio
3- Transmit
4- Receive
Astatic (4 wire)
1- Shield
2- White
3- Red
4- Black

Astatic (6 wire)
1- Shield & Blue
2- White
3- Red
4- Black
Yellow NC
Daiwa EM-500
Cobra CA Series

1- Shield & Black
2- Red
3- White
4- Blue
Galaxy DC-521S (4 wire)
1- Shield
2- Yellow
3- Red
4- Black
Galaxy CB-660EI
1- Shield & Black
2- White
3- Red
4- Blue
Sadelta
1- Shield
2- White
3- Brown
4- Green
Turner
1- Shield & Red
2- White
3- Blue
4- Black
Yellow NC

Posted on Nov 17, 2009

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  • With the switch sitting as it is in the picture below (actual switch recessed tho the right. Soldier the wires in this order.


  1. Black
  2. Red
  3. Lite Blue.
  4. Dark Yellow (This yellow wire comes from the mic cord itself)
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ironfist109_297.jpg


  • Standard 4 pin Cobra mic tip to run it to that Connex.

  • Pin 1 - Shield.
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  • Pin 3 - Red.
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  • If you have any comments please feel free to leave them here.
  • Hope this helps and thank you for using FixYa.


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Here are the Pin outs for different mics that will work with your radio. If a wire is not listed then you cut it off. It's best to keep the wires as short as possible no longer than a half inch is suggested. Normally the Cobra pin out is standard for most radios.

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Here is the wire diagram for several common mics in relation to a 4 pin CB. Most recent 4 pin CB's such as Midland, Cobra, Connex, Uniden, etc can use 4 pin mics. The wiring is actually depending on the mic rather than the CB so long as the CB's are 4 pin as well. Once you go back to late 80's the 4 pin design was a little different. Anything new it is simpler.
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