Question about Cobra 29 LTD CB Radio

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How do I replace the RF meter light in a Cobra 29NW? Thanx Breeze Neshanic Station, NJ

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The light is a small 12 volt lamp that you should be able to find a similar one at Radio Shack. The wires are soldered to it but you can cut the wires and solder them to the new lamp. The lamp is held in place in the meter by a rubber grommet. You can take the case off the radio and just pull the lamp out of the side of the meter. Don't get to power full of a lamp or you will melt the meter.

Posted on Feb 14, 2010


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Cobra 29 ltd classic year 2004. rf gain problems.

Put SWR meter between your antenna and output, test wave length receive/transmit, might need a ground plane or center loaded stick.
Could be transceiver relay, try clicking mic fast, it should click out as fast as you key the mic.

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Can you still get the 150 GTL DX or has it been replaced with the 29NW?

Cobra 150 &200 were amateur radios. and are no longer made.
so thats totally different than a 29.

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No rf signal.

try it on a base station antenna and see if it still happens. If it does it should be under warrenty so send it back and get another .

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have you checked the voltages inside the radio?If you have to much or to little it will not work properly.

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make sure the switch cal.awe,s/ref is set to S/RF if it is the meter went bad

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1 Answer

How to replace rf meter on cobra 29

if you replace it without fixing the problem , well , you sort of still have the problem.

Jan 30, 2013 | Cobra 29 LTD CB Radio

1 Answer

I have tried everything to get my cobra 29NW LTD radio to calibrate and i get seem to ever get it out of the red. I have ran an external ground to make sure its grounded at the mount and have a plastic...

The plastic washer is inserted in the top.
If you are calibrating radio's meter correctly to read the swr in the swr postion then it might be the radio's swr circuit you did not mention the ant light which accomplishes the same. Check the antenna with another radio or an external meter.
Now if you have had this radio modified power wise. This may indicate harmonics in your signal which the meter may read as reflected power then you must check your antenna system with another radio.
Just a side note i have had more luck with these problem just changing the coaxial cable then over analyzing it besides we could all use a spare coax. Good luck

Aug 22, 2011 | Cobra 29 LTD CB Radio

1 Answer

I have a Cobra CB Radio and was wondering if I have it on SRF or SWR or CAL

S/RF/SWR/CAL SWITCH. When in the S/RF position, the meter swings
proportionally to the strength of the received signal. When transmitting,
the meter indicates relative RF output power.
When in the "CAL" position, the SWR meter can be calibrated by adjust-
ing the "SWR CAL" control to the "CAL" mark on the meter face.
When in the "SWR" position, the standing wave ratio is measured.

You will want to operate on S/RF position.

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2 Answers

Replacement meter swr/rf meter for 25,29 gtl cost

There are a lot of meters on ebay. That's where I get mine.Usually around $5.

As for the other parts, only thing I can recommend is a google search.

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1 Answer

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to be sure that u dont burn yr radio try to check yr swr with an external meter to be mounted between the radio and the antenna and check if it works! good luck.
rgds stefano

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