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CB radio

Discussion in 'CB Radio Forum' started by spallaxo, Apr 30, 2020.

Page 1 of 2
  1. Apr 30, 2020 #1
    spallaxo

    spallaxo Bobtail Member

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    Apr 30, 2020
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    Hey I just bought a Cobra 29lx and the truck I was assigned the other day has all the wires however there is no black or red wire like on the radio, just green and white. Which wires do I connect together?
     
    spallaxo, Apr 30, 2020
    spallaxo, Apr 30, 2020
    #1
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  3. Apr 30, 2020 #2
    FoolsErrand

    FoolsErrand Road Train Member

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    Get your voltmeter out and check each one to ground. If neither has 12vdc check the fuse in your panel.


    If you hook the CB up reverse polarity it can let the brand new factory smoke out.

    And btw, you need to tune the antenna length or the CB will work like crap and eventually die.
     
    FoolsErrand, Apr 30, 2020
    FoolsErrand, Apr 30, 2020
    #2
    tscottme Thanks this.
  4. Apr 30, 2020 #3
    Muddydog79

    Muddydog79 Heavy Load Member

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    Use a test light or just hook em up and cross your fingers
     
    Muddydog79, Apr 30, 2020
    Muddydog79, Apr 30, 2020
    #3
  5. Apr 30, 2020 #4
    Hazmat Cat

    Hazmat Cat Medium Load Member

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    Candy... Cane...
     
    Hazmat Cat, Apr 30, 2020
    Hazmat Cat, Apr 30, 2020
    #4
  7. Apr 30, 2020 #5
    spallaxo

    spallaxo Bobtail Member

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    Apr 30, 2020
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    Okay, thank you. Do they make cigarette lighter plugs that have the black and red wire out, maybe connect them to the cb?
     
    spallaxo, Apr 30, 2020
    spallaxo, Apr 30, 2020
    #5
  8. Apr 30, 2020 #6
    tscottme

    tscottme Road Train Member

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    Yes they do. Using one will make a wire from you cig lighter to the back of your radio. I'd buy the cheapest voltmeter at walmart though. It has more use and allows you to use the factory power leads.
     
    tscottme, Apr 30, 2020
    tscottme, Apr 30, 2020
    #6
  9. Apr 30, 2020 #7
    jessejamesdallas

    jessejamesdallas Road Train Member

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    Lick your fingers...then grab just one of the wires with your wet fingers...take other hand and touch something metal...You should be able to figure out which one is HOT fairly quickly....

    Once you figure out which one is HOT, connect that wire to the radios RED wire...The radios black wire can just be connected to a grounding screw somewhere under the dash...
     
    jessejamesdallas, Apr 30, 2020
    jessejamesdallas, Apr 30, 2020
    #7
    650cat425 Thanks this.
  10. Apr 30, 2020 #8
    Ridgeline

    Ridgeline Road Train Member

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    No no no ... get a volt meter a light tells you nothing.
     
    Ridgeline, Apr 30, 2020
    Ridgeline, Apr 30, 2020
    #8
  11. Apr 30, 2020 #9
    Muddydog79

    Muddydog79 Heavy Load Member

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    Well if two wires are already preinstalled from the factory, and in place where the cb mounts, id say one is hot, one not. Light would work
     
    Muddydog79, Apr 30, 2020
    Muddydog79, Apr 30, 2020
    #9
  12. Apr 30, 2020 #10
    Timin770

    Timin770 Road Train Member

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    Could be hot with 24 volts
     
    Timin770, Apr 30, 2020
    Timin770, Apr 30, 2020
    #10
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