The radio in your 99 Chevy Blazer is an essential component of your car. If you’re looking to install a new radio, or just need to fix the wiring of the current one, you’ll need a wiring diagram. In this article, we’ll take you through the process of wiring your radio in a clear and concise manner. We’ll also provide you with some frequently asked questions and tables to help you along the way.
Wiring Your Radio
The first step in wiring your radio is to identify the wires that you’ll need to connect. You’ll need to locate the wires for power, ground, and speaker connections. The diagram below shows the wiring colors for the 99 Chevy Blazer radio.
| Wire Color | Connection |
|---|---|
| Orange | Constant 12V+ |
| Yellow | Switched 12V+ |
| Black | Ground |
| Gray | Front Right Speaker Positive |
| Gray/Black | Front Right Speaker Negative |
| White | Front Left Speaker Positive |
| White/Black | Front Left Speaker Negative |
| Green | Rear Left Speaker Positive |
| Green/Black | Rear Left Speaker Negative |
| Purple | Rear Right Speaker Positive |
| Purple/Black | Rear Right Speaker Negative |
Once you’ve identified the wires, you’ll need to connect them to the corresponding wires on your new radio. You can use a wiring harness to make this process simpler. A wiring harness will have the wires necessary to connect your radio to your car, and will generally come with instructions on how to connect them. You’ll just need to match the colors of the wires from the wiring harness to the corresponding wires on your new radio.
If you’re connecting the wires manually, you’ll need to strip the wires and twist the ends together. You’ll then need to secure the wires with electrical tape or wire connectors. Be sure to test your connections by turning on your radio and checking that all of the speakers are working properly.
Frequently Asked Questions
Q: Can I install a new radio in my 99 Chevy Blazer?
A: Yes, you can install a new radio in your 99 Chevy Blazer. You’ll need to purchase a wiring harness that is compatible with your car’s wiring, and connect the wires from the wiring harness to the corresponding wires on your new radio.
Q: How do I know which wires to connect?
A: You can refer to the wiring diagram above to identify the wires that you’ll need to connect. The diagram shows the colors of the wires for power, ground, and speaker connections.
Q: What’s the difference between constant 12V+ and switched 12V+?
A: Constant 12V+ is a wire that is always powered, even when the car is turned off. This wire is used to maintain the memory of your radio settings. Switched 12V+ is a wire that is only powered when the car is turned on. This wire is used to power your radio when the car is in use.
Conclusion
Wiring your radio may seem daunting at first, but with the help of a wiring diagram, it’s much simpler than you may think. Follow the steps outlined in this article to wire your radio, and use the tables and frequently asked questions to help you along the way. With a little bit of patience, you’ll have your new radio up and running in no time!
