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Thread: Convert a 4 wire microphone to a 3 wire microphone?

  1. #11
    Join Date
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    Edgewood,New Mexico
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    Thank you for your time and effort of finding the correct wiring for the Trucker mic.
    I was able to find a 100 nF Cap and soldered it in.
    I bought a can of Electronic cleaner and cleaned out the PTT switch and touched up all of the solder joints in the mic.
    The radio is working again for the first time in 45 years!
    I actually got a reply from a trucker a few miles away.
    I'm sure the radio needs to be tuned and I have no idea as to how to do that?
    Thanks again.
    Rob.
    Last edited by Rapidrob; 12-29-2020 at 06:15 PM.

  2. #12
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    Deer Park, TX
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    SO you were able to get it working on this microphone? If so....GREAT news!!!!!!

    I'm glad for you! It was a pleasure to do and I am glad if I was any help.

    Bob

  3. #13
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    And, by the way, I didn't find that drawing. I made it up off of the pics you sent. I tried hard to come up with one on the web but, no dice! I feel that one is correct!

    Happy radioing to you!
    B

  4. #14
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    Find was the wrong noun. I should have used "troubleshot" as you traced the PC board. I know this took awhile to do.
    Thanks again.
    Rob.

  5. #15
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    Again, it was a pleasant exercise and I am glad if it gave you any help at all.

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