Because the stereo only utilizes the 23-pin harness plug, how will I use my intercom system and CB radio? Aquatic AV June 05, 2020 14:11 Updated Unfortunately, you will lose out on your intercom system and CB radio. Related articles My bike has two harness plugs. Which plug do I use to connect into the back of the stereo? What tuner is compatible with my MP5+ Replacement Radio? Which bikes are compatible with the MP5+ Replacement Radio? How do I connect speakers to the Aquatic AV 2-Channel Amplifier for Harley-Davidson? I have a CVO. Why can't I hear any sound? Comments 0 comments Article is closed for comments.