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Mic Wiring Pattern For Motorola CM555

Wire Weasel

Senior Moment
Dec 13, 2008
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An associate who does not live nearby has a Motorola System 500 CM555 40ch AM/SSB Base that he is searching for the mic wiring pattern for. He does not have an ohm meter and cannot test it out himself. Says it is a typical 4 pin plug.

I can't anything about this rig on the net.

Anyone know the mic pinout on this one?

Thanks!
 

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