Non functioning GoGo tuner - it no longer turns on. I haven't been able to try via power adapter, but certainly doesn't turn on with a battery. I don't see any loose wires inside. Perhaps a wire has shorted inside. Pay for shipping and it's yours. project for those who tinker. I got no response from GoGo about troubleshooting or returning and would rather not just throw it away if someone is skilled at fixing and could use it.