This was my first time I installed a head unit on a car so I am not sure what happened. I bought the install kit and cd plays perfectly, but there is no radio signal at all. I did plug in that black wire that plugs with the factory black wire, which is think is for the radio. But I also noticed the Accord has no antenna that comes out? Am I missing anything?? The unit I got was a used Pioneer DEH-P2000 if that helps. Any help would be appreciated. Thanks guys.