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.. Sears SSB Roadtalker 40 An informal area for conversations, humor and observations that aren't necessarily strictly radio related. No discussion of politics or religion. Ads are not permitted.
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CB radio microphone wiring guide. To view microphone wiring configuration click on your chosen CB Radio.. Carries HAM and CB radio schematics and service repair manuals for vintage CB (Citizens Band Tranceivers) radios and Scanner-Monitors.