The 2006 Cadillac CTS is a luxury sports sedan that was introduced in 2003. One of the most important components of any car is the stereo system, and in the CTS, it is no different. If you are looking to install an aftermarket stereo system in your Cadillac CTS or are troubleshooting an issue with your existing stereo system, you will need to know the wiring diagram for the car.
The Wiring Diagram
The wiring diagram for the 2006 Cadillac CTS stereo system is as follows:
| Wire Color | Function |
|---|---|
| Yellow | Battery |
| Red | Accessory |
| Black | Ground |
| Orange/White | Illumination |
| Blue/White | Amp Turn-On |
| Green | Left Front Speaker Positive |
| Green/Black | Left Front Speaker Negative |
| Violet | Right Front Speaker Positive |
| Violet/Black | Right Front Speaker Negative |
| Grey | Left Rear Speaker Positive |
| Grey/Black | Left Rear Speaker Negative |
| White | Right Rear Speaker Positive |
| White/Black | Right Rear Speaker Negative |
FAQs
1. What is the function of the yellow wire?
The yellow wire is the battery wire, and it provides a constant 12V power supply to the stereo system. This wire is connected directly to the car battery.
2. What is the function of the red wire?
The red wire is the accessory wire, and it provides a 12V power supply to the stereo system only when the ignition switch is turned to the accessory position. This wire is connected to the car’s ignition switch.
3. What is the function of the black wire?
The black wire is the ground wire, and it provides a path for the electrical current to return to the car’s battery. This wire is connected to the car’s chassis.
4. What is the function of the orange/white wire?
The orange/white wire is the illumination wire, and it provides a 12V power supply to the stereo system only when the headlights are turned on. This wire is connected to the car’s headlight switch.
5. What is the function of the blue/white wire?
The blue/white wire is the amp turn-on wire, and it provides a 12V power supply to the amplifier in the stereo system when the stereo system is turned on. This wire is connected to the car’s amplifier.
