The car harness is the main interface from radio to helmet to push to talk. Required for all 2 way systems. There are 2 types: 3 or 4 Conductor. You can determine the correct unit by the number of black rings on your helmet mic kit. 3 rings is 4 conductor and 2 rings is 3 conductor. If you are purchasing a new kit, the default is 3 conductor.

This harness includes the correct connection for Motorola 2 pin and Blackbox 2 pin radios. If you are using Kenwood 2 pin, please let us know so we can send the correct harness.