2007 Nissan Xterra | Stereo Wiring Diagram September 10th, 2012 Posted in Nissan Xterra. 2007 Nissan Xterra Stereo Wiring Information. Radio Battery Constant 12v+ Wire: Yellow The stereo wiring diagram listed above is provided “as is” without any kind of warranty. Use of the information above is at your own risk. 2007 Nissan Xterra Car Stereo Wire Diagram - ModifiedLife 2007 Nissan Xterra Car Stereo Wire Diagram Whether your an expert Nissan Murano mobile electronics installer, Nissan Murano fanatic, or a novice Nissan Murano enthusiast with a 2007 Nissan Xterra, a car stereo wiring diagram can save yourself a lot of time.