Microphone Wiring Diagram Make sure your CB mic is plugged in securely. Check for breaks or damage to the plug and cord. Check the pins in the radio for damage as well. Be sure you are pressing the CB microphone button all the way in. If it is a power mic or echo mic, make sure there is a battery in it! Visit our Troubleshooting Radios Article for other helpful information. Mic Wiring : Links to Microphone wiring diagrams - The CB Mic Wiring pop - Excellent resource for microphones wiring including old make of cb radios. Microphone wiring can be a real pain if you arent sure how to work out which wire goes where. On this page i will try to explain the basics and also give you the wiring positions for most CB radio's All Details About CB Microphone Wiring CB Radio Blog. CB Radio Ultimate Buying Guide; CB Radio Code – List of CB slang & Complete List of CB 10 codes; CB Radio Frequency Chart, Range & Freebanding; Best free CB radio apps for Android; Difference Between a CB Radio and a Walkie-Talkie; All Details About CB Microphone Wiring; How to Build a CB Base Antenna; How to Hook Up a CB MIKE WIRING GUIDE - cbcintl HOW TO WIRE ANY REGULAR OR POWER MIKE TO (ALMOST) ANY CB. This wiring discussion assumes that you have no schematic for the radio, or no information for the mike. There are three steps when wiring any new mike to your CB: 1. Determine which pin on the radio’s mike socket performs which function (TX, RX, Audio, Ground) on the CB itself. 2.