Route the wires from center console to the head unit. For the speaker AMP Plug the blue/silver patch cord into the RCAs labeled F (front) on the head unit. Blue is our positive - plug blue cable into red RCA on head unit and the silver into the white. For the subwoofer AMP Perform same steps for black/silver patch cords. Black is our positive - plug black cable into red RCA and the silver into the white RCA marked S (subwoofer)