2003 Nissan Altima Stereo Wiring Information
Radio Constant 12V+ Wire: Yellow/Green
Radio Ignition Switched 12V+ Wire: Purple
Radio Ground Wire: Chassis
Radio Illumination Dimmer Wire: Red/Blue
Radio Antenna Trigger Wire: Green
Radio Amplifier Trigger Wire: Green/White
Left Front Speaker Wire (+): Blue/White
Left Front Speaker Wire (-): Blue/Red
Right Front Speaker Wire (+): White/Black
Right Front Speaker Wire (-): Blue/Black
Left Rear Speaker Wire (+): Green/Yellow
Left Rear Speaker Wire (-): Black/Yellow
Right Rear Speaker Wire (+): Blue
Right Rear Speaker Wire (-): Red
The following information is currently not available:
Front Speakers Size
Rear Speakers Size
*If you know any of the above or any other missing information please use the comment box below to notify us.
03 altIma 4cyl. radio display not illuminated. Audio works. Checked red and blue wire for pwr-none at plug. Any suggestions greatly appreciated. Thank you