I have a cobra 29 classic need to make a new power cord on the back of the radio there is a three prong plug on the left is pos+ on the right is neg- what is the center prong for. any info is welcome.
cobra 29ltd classic power cord
Discussion in 'CB Radio Forum' started by 7.3powerstroke'n, May 17, 2011.
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nothing...Some radios have a third wire which would be wired to a hot wire, that either stays hot all the time or is only hot when the Key is turned on. So the plugs are sorta like a "One size fits all" type deal...
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sweet thank you I thought it might be for memory but then it not like it has to store anything lol.
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Its there to keep you from putting the plug in backwards. You can buy that cord at any truckstop or cb hack shop...
fancypants Thanks this. -
I seem to recall the plug casing has a distinct shape to prevent you from plugging in another way.
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