2006 Nissan Sentra Car Stereo Radio Wiring Diagram Whether your an expert Nissan electronics installer or a novice Nissan enthusiast with a 2006 Nissan Sentra, a car stereo wiring diagram can save yourself a lot of time. One of the most time consuming tasks with installing an after market car stereo, car radio, car speakers, car amplifier, car navigation or any car electronics is identifying the correct color wires for a 2006 Nissan Sentra. Audio wiring diagram for 06 nissan sentra with fosgate Apr 12, 2008audio wiring diagram for 06.. audio wiring diagram for 06 nissan sentra with fosgate package. rear of headunit and amp plugs? Submitted: 11 years ago. Category: Nissan. Show More. what color is the switched radio wire on a 2009 nissan sentra with the rockford fosgate system?