When looking to install a new radio in your 1986 Chevy truck, it’s important to have a proper wiring diagram. A wiring diagram is a guide that illustrates the electrical connections between components in the system. This article will provide you with a comprehensive wiring diagram for your 1986 Chevy truck radio, as well as some frequently asked questions (FAQs) regarding the installation process.
Wiring Diagram
Below is a wiring diagram for a 1986 Chevy truck radio. This diagram illustrates the connections between the radio unit, speakers, and power sources.
| Wire Color | Connection |
|---|---|
| Yellow | Constant 12V+ |
| Red | Ignition 12V+ |
| Black | Ground |
| Blue | Power Antenna |
| Orange | Illumination |
| White | Front Left Speaker (+) |
| White/Black | Front Left Speaker (-) |
| Gray | Front Right Speaker (+) |
| Gray/Black | Front Right Speaker (-) |
| Green | Rear Left Speaker (+) |
| Green/Black | Rear Left Speaker (-) |
| Purple | Rear Right Speaker (+) |
| Purple/Black | Rear Right Speaker (-) |
FAQs
1. How do I remove the old radio from my 1986 Chevy truck?
To remove the old radio from your truck, you will need a set of radio removal tools. These tools are typically U-shaped and can be purchased at any auto parts store. Insert the tools into the slots on either side of the radio and gently pull the radio forward. Once the radio is out of the dash, disconnect the wiring harness and antenna cable.
2. Do I need any special tools to install a new radio?
Most aftermarket radios come with their own wiring harness and mounting bracket, so you won’t need any special tools. However, you may need a wire stripper, crimping tool, and electrical tape to make the necessary connections.
3. What if my truck doesn’t have a power antenna?
If your truck doesn’t have a power antenna, simply leave the blue wire disconnected. This wire is used to power the antenna motor and is not needed if you have a manual antenna.
4. How do I know which speaker wire is positive and which is negative?
The positive speaker wire is typically marked with a “+” sign or may be a different color than the negative wire. You can also use a multimeter to test the wires and determine which is positive and which is negative.
5. Can I install a new radio myself or do I need a professional?
Installing a new radio in your 1986 Chevy truck can be done yourself with basic tools and some electrical knowledge. However, if you’re not comfortable working with electrical systems, it’s always best to consult a professional.
With this comprehensive wiring diagram and FAQ, you should have all the information you need to successfully install a new radio in your 1986 Chevy truck. Good luck and happy listening!
