When you need to install a new stereo or put back the factory unit, this 240SX Stereo Wiring Diagram can help you get the job done. Today I will be showing you how to install a stereo into all year ranges of the Nissan 240SX.
It’s perfect for when you pick up a used S13 or S14 with the factory radio removed. Of course if you are installing a new MP3 player or navigation system, you’ll need a complete wiring schematic. Regardless of whether or not you are a professional stereo installer, or a do it yourself type of mechanic, this car audio wiring diagram can help.
The Nissan 240SX enjoyed a brief but enjoyable run from 1989-1998, spanning two generations. It’s still a very popular vehicle for engine swap candidates, and if you are looking for engine wiring or motor swap guides, you’ve come to the right place.
Buying a used Nissan 240SX can be easy and cheap, especially the early generation (1989-1994) known as the S13. Unfortunately many times these vehicles are in poor repair and can be a wiring nightmare.
If you’ve recently picked up a S13 drift missile and found yourself with a rats nest where the factory stereo used to be, this guide is for you.
First Generation Nissan 240SX Stereo Wiring Diagram (1989-1994)
This complete car audio wiring schematic for your S13 can help you resolve any wiring issues. Because many of these older vehicles will be modified or already torn apart, the S13 stereo wiring guide on this page can really clear things up.
Car Radio Constant 12v+ Wire: Red/Black
Car Radio Switched 12v+ Wire: Blue
Car Radio Ground Wire: Chassis
Car Radio Illumination Wire: Red/Blue
Car Stereo Dimmer Wire: Red/Yellow
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
Need a guide on the Nissan 240SX ignition wiring or engine harness? Check out more guides at My Pro Street, an online community that’s stood since 1998.
Second Generation Nissan 240SX Stereo Wiring Diagram (1995-1998)
The second gen 240SX is known as the S14 and there’s two variations of this vehicle. The early models from 1995-1996 are known as the Zenki with round headlights. Whereas the later models are more aggressive looking and known as the Kouki S14.
Car Radio Constant 12v+ Wire: Orange/Green
Car Radio Switched 12v+ Wire: Blue
Car Radio Ground Wire: Chassis
Car Radio Illumination Wire: Red/Blue
Car Stereo Dimmer Wire: Red/Yellow
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
The S14 uses a single DIN stereo setup, and typically features a coin pocket underneath the factory stereo mounting position. If you are installing an double DIN stereo, you can remove this coin pocket to give you the clearance you need.
Don’t forget if you are after engine wiring guides, motor swap details like a 2JZ 240SX or a RB25DET 240SX we have all the How To wiring guides you’ll ever need!
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Have any questions about our 240SX Stereo Wiring Diagram or need help with your car stereo wiring? Leave us a comment below!
