Got the Picasso Nano 5 channel almost totally installed, but cannot figure out how to power the sub behind the seat.?? there is 2 pos and 2 neg wires in the X1 harness. can't figure out how the power gets back to the sub through the stock amp since there are NO wires that are labeled Sub Output anywhere... ?? I'm Dumbfounded... anyone got any advice Pleaseeeeeeee!!
Sorry that I have no help for you but I know there have been many discussions about this problem with other types of upgrades. Try the search box on the top of this page to locate any topics that might help.
I have never upgraded my system and found it to be more than I could ever need as far as sound goes. Good luck and if you do find some answers, please post them for the rest of us.