2011 GMC Terrain Radio Wiring Diagram

The 2011 GMC Terrain is a compact SUV that was introduced in 2010. It features a 2.4 L or 3.0 L V6 engine, and a six-speed automatic transmission. The Terrain comes with a standard AM/FM radio and CD player, but some models have an option for a touchscreen radio with a navigation system. If you are planning to install an aftermarket radio in your GMC Terrain, you will need to know the wiring diagram for the radio to ensure a smooth installation process.

Radio Wiring Diagram

The radio wiring diagram for the 2011 GMC Terrain is as follows:

Wire Color Function
A1 LT GRN Right Front Speaker (+)
A2 DK GRN Right Front Speaker (-)
A3 BRN Left Front Speaker (+)
A4 YEL Left Front Speaker (-)
A5 DRK BLU Right Rear Speaker (+)
A6 LGT BLU Right Rear Speaker (-)
A7 RED Left Rear Speaker (+)
A8 GRY Left Rear Speaker (-)
A9 BLK Ground
A10 YEL Battery (+)
A11 RED/BLK Ignition (+)

You can use this wiring diagram as a guide for the installation of your aftermarket radio. It is important to note that the colors of the wires may differ depending on the manufacturer of the radio, so be sure to check the wiring diagram of the specific radio you are installing.

FAQ

1. What is the function of the yellow wire?

The yellow wire is the battery (+) wire. It is used to provide constant power to the radio so that it can retain memory and settings even when the vehicle is turned off.

2. What is the function of the red wire with a black stripe?

The red wire with a black stripe is the ignition (+) wire. It is used to provide power to the radio when the vehicle is turned on.

3. Can I use this wiring diagram for other GMC models?

No, this wiring diagram is specific to the 2011 GMC Terrain. Other GMC models may have different wiring diagrams and color codes.

4. What if I am not sure about the wiring diagram for my aftermarket radio?

If you are not sure about the wiring diagram for your aftermarket radio, you can consult the manual that came with the radio or contact the manufacturer for assistance.

5. Can I install an aftermarket radio myself?

Yes, you can install an aftermarket radio yourself if you have some knowledge and experience in car electronics. However, if you are not confident in your abilities, it is recommended that you seek the help of a professional installer.

In conclusion, the 2011 GMC Terrain radio wiring diagram is essential for anyone planning to install an aftermarket radio in their vehicle. By following the wiring diagram and consulting the FAQ section, you can ensure a smooth installation process and enjoy your new radio without any issues.