Upgrading your car audio system in your Nissan is made easy with this Sentra stereo wiring diagram. Whether you are installing an aftermarket radio, car stereo or navigation system, using this car audio wiring schematic takes a lot of the guesswork out of the job. No longer will you have to hunt down speaker wires or struggle with the polarity of car stereo wires.
Today I’ll be showing you the comprehensive Sentra stereo wiring guide for your Nissan. You can complete any Nissan Sentra stereo install using this schematic. Whether you are a 
We’ll be starting from the first generation Sentra and covering all the year ranges. This is done so that no matter what year Nissan you own, this Sentra stereo install guide will help.
Installing upgraded speakers into your Nissan Sentra is made easy with our car audio wiring guide. This stereo wiring guide has the speaker wires and colors labeled so that you don’t need to waste time trying to figure out which wire is which.
First Gen Sentra Stereo Wiring Guide 1985–1990
The early Sentras were known for their boxy appearance and simple analog radio. Using a single DIN form factor makes it easy for you to install your new car stereo.
Car Radio Battery Constant 12v+ Wire: Red/Black
Car Radio Accessory Switched 12v+ Wire: Blue
Car Radio Ground Wire: Chassis
Car Radio Illumination Wire: Red/Yellow
The front Sentra speakers are mounted into the front door panels. The rear speakers are 6″ x 9″ units and are located into the rear deck.
Left Front Speaker Positive Wire (+): Blue/White
Left Front Speaker Negative Wire (-): Blue/Yellow
Right Front Speaker Positive Wire (+): Brown
Right Front Speaker Negative Wire (-): Brown/White
Left Rear Speaker Positive Wire (+): Red
Left Rear Speaker Negative Wire (-): Green
Right Rear Speaker Positive Wire (+): Blue
Right Rear Speaker Negative Wire (-): Pink
Second Gen Sentra Stereo Wiring Guide 1990–1994
Gone are the analog car radio, replaced with a single DIN stereo. Mounting of this factory radio makes it slightly difficult to install a motorized unit or one with a flip up screen.
Radio Constant 12V+ Wire: Red/Black
Radio Switched 12V+ Wire: Blue
Radio Ground Wire: Chassis
Radio Illumination Wire: Red/Blue
Radio Dimmer Wire: Red/Yellow
Left Front Speaker Wire (-): Blue/Yellow
Right Front Speaker Wire (+): Brown
Right Front Speaker Wire (-): Brown/White
Much like the previous generation the front speakers are installed in the door panels. The rear speakers are placed in the rear deck and can be accessed through the trunk if need be.
Left Rear Speaker Wire (+): Red
Left Rear Speaker Wire (-): Green
Right Rear Speaker Wire (+): Blue
Right Rear Speaker Wire (-): Pink
Third Gen Sentra Stereo Wiring Guide 1995–1999
One of the most popular Nissan’s of it’s time, this generation Sentra switched to the non turbo SR20 engine.
Car Radio Constant 12v+ Wire: Pink
Car Radio Switched 12v+ Wire: Blue
Car Radio Ground Wire: Chassis
Car Radio Illumination Wire: Red/Blue
Car Stereo Dimmer Wire: Red/Yellow
The hazard buttons move up and out of the way in this generation. The single DIN stereo combined with a DIN pocket make install and upgrade easy to do.
Left Front Speaker Positive Wire (+): Pink
Left Front Speaker Negative Wire (-): Blue
Right Front Speaker Positive Wire (+): White
Right Front Speaker Negative Wire (-): Black
This kit will usually use new mounting brackets to help you mount the new car radio.
Left Rear Speaker Positive Wire (+): Light Green
Left Rear Speaker Negative Wire (-): Violet
Right Rear Speaker Positive Wire (+): Blue
Right Rear Speaker Negative Wire (-): Pink
Fourth Gen Sentra Stereo Wiring Guide 2000–2006
The next generation of Nissan Sentra forgoes the single DIN layout and uses a customized center console. This makes for an aesthetically pleasing Sentra radio but this change does require that you use a stereo install kit.
Without the right install kit, you will have a hard time installing your Sentra radio.
Car Radio Constant 12v+ Wire: Pink
Car Radio Switched 12v+ Wire: Blue
Car Radio Ground Wire: Gray
Car Radio Illumination Wire: Red/Green
Car Stereo Dimmer Wire: Red/Yellow
To access the mounting screws you will need to remove the face of your center console. Once you have the climate control vents removed and the plastic panels around your climate controls, you can take out your factory Sentra car stereo.
Left Front Speaker Positive Wire (+): Pink
Left Front Speaker Negative Wire (-): Blue
Right Front Speaker Positive Wire (+): White
Right Front Speaker Negative Wire (-): Black
Left Rear Speaker Positive Wire (+): Light Green
Left Rear Speaker Negative Wire (-): Violet
Right Rear Speaker Positive Wire (+): Blue
Right Rear Speaker Negative Wire (-): Pink
Most stereo install kits will include a new plastic face that will surround the single DIN stereo to make it look right. Installing a double DIN stereo into this generation Sentra will be very difficult to do.
Fifth Gen Sentra Stereo Wiring Guide 2007–2012
Depending on the trim of your Nissan, there’s going to be big changes to your Sentra factory stereo. You will of course require a custom install kit, and may need a wiring kit to eliminate or bypass the stereo integration or your navigation system.
Car Radio Accessory Switched 12v+ Wire: Gray
Car Radio Ground Wire: Chassis
Installing a double DIN stereo is easy to do in this generation of Sentra. You will need new car audio brackets to make the install look flush and complete your Sentra stereo installation.
Left Front Speaker Negative Wire (-): White
Right Front Speaker Positive Wire (+): Pink
Right Front Speaker Negative Wire (-): Red
The front speakers are mounted in the door panels. Your rear Sentra speakers are installed into the rear panels and can easily be accessed for upgrade if you need it.
Left Rear Speaker Positive Wire (+): Green
Left Rear Speaker Negative Wire (-): Violet
Right Rear Speaker Positive Wire (+): Blue
Right Rear Speaker Negative Wire (-): Yellow
Have any questions about our Sentra stereo wiring guide? Leave us a comment below and let us know!