If you own a 2013 GMC Sierra, you may be interested in upgrading your stereo system. However, before you start your installation, you need to have the right wiring diagram. In this article, we will provide you with a comprehensive guide on how to install a new stereo in your 2013 GMC Sierra, including a detailed wiring diagram.
What is a Stereo Wiring Diagram?
A stereo wiring diagram is a detailed diagram showing the wires and connections for a car stereo system. It shows the color codes for each wire, which allows you to connect the wires correctly. Having the right wiring diagram is essential when installing a new stereo in your car.
Why is a Wiring Diagram Important?
A wiring diagram is important because it ensures that you connect the wires correctly. If you connect the wires incorrectly, you may damage your car stereo or other components in your car. A wiring diagram also helps you to troubleshoot any problems that you may encounter during the installation process.
2013 GMC Sierra Stereo Wiring Diagram
Here is the wiring diagram for a 2013 GMC Sierra stereo:
| Wire | Color | Function |
|---|---|---|
| Red | Accessory | 12V |
| Yellow | Battery | 12V |
| Orange | Illumination | 12V |
| Black/White | Ground | N/A |
| Blue | Amp Remote | 12V |
| Blue/White | Amp Remote | 12V |
| Brown | Mute | N/A |
| Green | Left Rear Speaker Positive | N/A |
| Green/Black | Left Rear Speaker Negative | N/A |
| Gray | Right Front Speaker Positive | N/A |
| Gray/Black | Right Front Speaker Negative | N/A |
| Light Blue | Right Rear Speaker Positive | N/A |
| Light Blue/Black | Right Rear Speaker Negative | N/A |
| Pink | Left Front Speaker Positive | N/A |
| Pink/Black | Left Front Speaker Negative | N/A |
Wire Colors and Functions
The wiring diagram above shows the color codes for each wire and their functions. Here is a breakdown of each wire:
- Red: This wire is the accessory wire and is used to provide power to the stereo when the ignition is turned on.
- Yellow: This wire is the battery wire and provides constant power to the stereo to keep the memory and presets alive.
- Orange: This wire is the illumination wire and is used to control the brightness of the stereo display.
- Black/White: This wire is the ground wire and is used to ground the stereo.
- Blue: This wire is the amp remote wire and is used to turn on an external amplifier.
- Blue/White: This wire is the amp remote wire and is used to turn on an external amplifier.
- Brown: This wire is the mute wire and is used to mute the stereo when a phone call comes in.
- Green: This wire is the left rear speaker positive wire.
- Green/Black: This wire is the left rear speaker negative wire.
- Gray: This wire is the right front speaker positive wire.
- Gray/Black: This wire is the right front speaker negative wire.
- Light Blue: This wire is the right rear speaker positive wire.
- Light Blue/Black: This wire is the right rear speaker negative wire.
- Pink: This wire is the left front speaker positive wire.
- Pink/Black: This wire is the left front speaker negative wire.
Installation Guide
Now that you have the wiring diagram, you can start the installation process. Here is a step-by-step guide:
Step 1: Disconnect the Battery
Before you start the installation process, you need to disconnect the battery to prevent any electrical shorts or damage to the stereo or other components in your car.
Step 2: Remove the Old Stereo
Remove the old stereo from your car. This may require removing a trim piece or using a special tool to release the stereo from the dashboard.
Step 3: Connect the Wiring Harness
Connect the wiring harness to the stereo. Make sure you connect the wires correctly using the wiring diagram above.
Step 4: Connect the Antenna Adapter
Connect the antenna adapter to the stereo. This adapter allows you to use the existing antenna in your car.
Step 5: Install the Stereo
Install the new stereo into the dashboard. Make sure you secure the stereo using the appropriate screws or mounting brackets.
Step 6: Reconnect the Battery
Reconnect the battery and test the stereo to make sure it is working correctly.
FAQ
What size is the stereo in a 2013 GMC Sierra?
The stereo in a 2013 GMC Sierra is a double DIN size, which is 7 inches wide by 4 inches tall.
Can I install a new stereo myself?
Yes, you can install a new stereo yourself if you have the right tools and instructions. Follow the steps above to install a new stereo in your 2013 GMC Sierra.
Do I need a wiring diagram to install a new stereo?
Yes, you need a wiring diagram to install a new stereo in your car. The wiring diagram shows the connections for each wire, which ensures that you connect the wires correctly and prevent any damage to your car or stereo.
What is an antenna adapter?
An antenna adapter is a device that allows you to use the existing antenna in your car with a new stereo. The antenna adapter connects to the stereo and the existing antenna cable in your car.
What is a wiring harness?
A wiring harness is a device that connects the wires from the stereo to the wires in your car. The wiring harness saves you time and ensures that you connect the wires correctly.
Can I connect an external amplifier to my new stereo?
Yes, you can connect an external amplifier to your new stereo using the amp remote wire. The amp remote wire turns on the external amplifier when the stereo is turned on.
Conclusion
Installing a new stereo in your 2013 GMC Sierra is a great upgrade that can improve your driving experience. However, before you start the installation process, you need to have the right wiring diagram. Use the wiring diagram above to ensure that you connect the wires correctly and prevent any damage to your car or stereo.
