On my 1994 Interstate, the radio/aux works just fine, but having issues with the cb. The cb actually powers up, and you can see the display working just fine, and I'm able to change channels, as well as being able to transmit, you can see this working properly on the display just fine. But I'm not receiving any audio through the headset, or the the speakers on the bike itself from the cb mode. I also realize you need to make sure both of the speaker output modes (speaker/headphone) on the cb and stereo need to be sync'd together for over-ride function to work, but this option doesn't work either. What would possibly be the root cause from not being able to hear any audio from the cb, as well as the cb/stereo over-ride not functioning properly?