Read your owners manual sounds like you may have blown the output section in your amp who knows anyway take a channel that still works and play each speaker to mkake sure your speakers are ok then check your wires for shorts , opens Just kidding but if you dont have the foggyest idea of what you are doing then find a friend that can help you out if you dont hook up your system properly you can reaqlly fry an amp which you may have already good luck to yuou steweeee