Car Stereo Radio Wiring Diagram – 2005 Nissan Altima

Whether your an expert installer or a novice enthusiast with a 2005 Nissan Altima, an automotive wiring diagram can save yourself time and headaches. One of the most time consuming tasks with installing a car stereo, car radio, car speakers, car amplifier, car navigation or any mobile electronics is identifying the correct wires for a 2005 Nissan Altima.

The Modified Life staff has put their heads together to create an invaluable resource containing car stereo wiring diagram, car wiring diagram and radio wiring diagram. Feel free to use any car stereo wiring diagram that is listed on Modified Life but keep in mind that all information here is provided “as is” without any warranty of any kind. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2005 Nissan Altima.

Radio Constant 12V+ Wire: Yellow/Green
Radio Switched 12V+ Wire: Purple
Radio Ground Wire: Chassis
Radio Illumination Wire: Red/Blue
Antenna Trigger Wire: Green/White
Power Antenna Wire: Green
Front Speaker Size: n/a
Front Speaker Location: n/a
Left Front Speaker Wire (+): Blue/White
Left Front Speaker Wire (-): Blue/Red
Right Front Speaker Wire (+): White/Black
Right Front Speaker Wire (-): Blue/Black
Rear Speaker Size: n/a
Rear Speaker Location: n/a
Left Rear Speaker Wire (+): Green/Yellow
Left Rear Speaker Wire (-): Black/Yellow
Right Rear Speaker Wire (+): Blue
Right Rear Speaker Wire (-): Red

Important Warning: The 2005 Nissan Altima has a factory 2 Ohm audio system. In order for you to use an aftermarket head unit or radio, the speakers must also be replaced with 4 Ohm speakers.