Microphone Wiring Diagrams - wwwottRadio How to fix a CB Microphone. The following microphone wiring diagrams are for the majority of CB and 10 meter radios available. radio shack cb microphone | eBay www›Search›radio shack cb microphoneFind great deals on eBay for radio shack cb microphone. Shop with confidence. Skip to main content. eBay Logo: Shop by category. 1 product rating - Radio Shack TRC-479 40 Channel CB Radio Realistic With Mic Small 4” Stash it. $14. Time left 2d 11h left. 1 bid +$7 shipping.