Cobra 29 LTD Classic. 2-way 40 channel CB radio. Features antenna warning indicator, SWR calibration, instant Channel 9, PA capability, dimmer control, switchable noise blanker and RF gain.

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My rx/tx light turns red

When I key my mic the rx/tx light turns red. When I unkey it turns back green. I also cannot recieve anything coming in nor can I get out. Please let me know what you think

Answer this question I have this problem too

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3 Answers

first thing first, check the antenna RF cable

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Mine does the same thing but my ant does not light up when i key the mic.


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Mine does the same thing but no antenna light

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Your tx/rx light should turn red when you transmit and be green all other times. Your ant light should not light up unless the swr is higher than 3.0; then there is a problem. A common reason for the ant light to light up is that the antenna is not grounded properly.

Check out this page from Firestik for more information on swr and cb's.

If your ant light is on when you transmit, stop using the radio and fix the swr. You will ruin the radio.

Good luck and enjoy your cb radio!

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Jake Harris will be eternally grateful.
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