A Roadtalker 40 microphone wiring diagram is a helpful guide, presenting the fundamentals of electrical wiring and the connections between the various parts of the device in a detailed plan that is easy to understand.. I have an old roadtalker 40 unit that I need a mic for. Does anyone know who the manufacturer of this unit ? I also need the mic wiring diagram . Any suggestions for a mic ? 307 Posted on Tuesday, January 08, 2002 - 6:29 pm: You can get a replacement "Stock" microphone from Copper..The wiring is as follows: 1) Shield 2) N/C 3) TX 4) Audio 5) RX.
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The list below offers some microphone wiring information. Mic wiring can be frustrating enough, but when you can't find the right wiring info, it is just impossible. We will continue to try to get all the information that we can listed on this page. Radio Mic Wiring Diagram. to a 5 pin sears roadtalker 40/ssb how to change wiring from 4 pin to a 5 pin din I would appreciate the help