The 91 240sx is a popular car model among car enthusiasts. One of the most common modifications done to this car is the installation of a new radio system. If you are planning on replacing your factory radio with an aftermarket one, it is important to have a clear understanding of the wiring diagram. In this article, we will be discussing the 91 240sx radio wiring diagram.
Wiring Diagrams
The wiring diagram is a visual representation of the car’s electrical system. It is important to follow the wiring diagram when installing a new radio system. The wiring diagram for the 91 240sx is as follows:
| Wire Color | Function |
|---|---|
| Red | Battery |
| Yellow | Ignition |
| Black | Ground |
| Blue | Power Antenna |
| Orange | Illumination |
| White | Front Left Speaker Positive |
| White/Black | Front Left Speaker Negative |
| Grey | Front Right Speaker Positive |
| Grey/Black | Front Right Speaker Negative |
| Green | Rear Left Speaker Positive |
| Green/Black | Rear Left Speaker Negative |
| Purple | Rear Right Speaker Positive |
| Purple/Black | Rear Right Speaker Negative |
Frequently Asked Questions
What is the function of the red wire?
The red wire is the battery wire. This wire provides constant power to the radio system even when the car is turned off.
What is the function of the yellow wire?
The yellow wire is the ignition wire. This wire provides power to the radio system when the car is turned on.
What is the function of the black wire?
The black wire is the ground wire. This wire provides a connection between the radio system and the car’s chassis, creating a complete circuit.
What is the function of the blue wire?
The blue wire is the power antenna wire. This wire provides power to the car’s antenna, allowing it to be extended and retracted when the radio system is turned on and off.
What is the function of the orange wire?
The orange wire is the illumination wire. This wire provides power to the radio system’s display, allowing it to be visible in low-light conditions.
Conclusion
Understanding the 91 240sx radio wiring diagram is essential if you plan on installing a new radio system. Following the diagram will ensure that your radio system is properly installed and functions correctly. If you have any questions or concerns, consult a professional for assistance.
