My 01 EG Ultra has a detachable tour pak, when I bought the bike the tour pak was off. I reinstalled it, plugged in the wires but the rear speakers don't work. Am I missing something? I thought I read somewhere that I had to get the computer reflashed, is this true? Help.

 

Your bike doesn't need a reflash; that's for '06 and newer bikes with the Harman Kardon headunit.