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3rd Gen Chassis Codes: BA • CA5 • CA6 | Model Years: 1986, 1987, 1988, and 1989
This page provides the complete 1986–1989 Honda Accord radio wiring diagram for the 3rd generation Accord (chassis codes BA, CA5, and CA6). Whether you’re installing an aftermarket stereo or troubleshooting audio issues in a 1986, 1987, 1988, or 1989 Honda Accord, use the wiring table below for the correct wire colors and speaker information.
The 3rd generation Accord marked a significant design overhaul, transitioning to a more aerodynamic body. This generation introduced Honda’s 10-pin and 6-pin radio connectors in some trim levels. The factory audio system was basic, making aftermarket upgrades popular — but correct wire identification is critical to avoid blown fuses or speaker damage.
1986–1989 Honda Accord Stereo Wiring Diagram
Use the wiring table below for your 1986, 1987, 1988, and 1989 Honda Accord stereo wire color codes, speaker wiring, and harness pinout.
| Wire Function | Wire Color & Location |
|---|---|
| Battery Constant Power Wire (12V+) | White/Yellow |
| Accessory Switched Power Wire (12V+) | Yellow/Red |
| Ground Wire | Black |
| Illumination Wire | N/A |
| Dimmer Wire | Red/Black |
| Antenna Trigger Wire | Yellow/White |
| Amplifier Trigger Wire | N/A |
| Factory Amplifier Location | N/A |
| Rear View Camera Video Positive (+) | N/A |
| Rear View Camera Video Negative (–) | N/A |
| Dash Center Speaker Positive Wire (+) | N/A |
| Dash Center Speaker Negative Wire (–) | N/A |
| Front Left Tweeter Positive (+) | N/A |
| Front Left Tweeter Negative (–) | N/A |
| Front Right Tweeter Positive (+) | N/A |
| Front Right Tweeter Negative (–) | N/A |
| Front Left Speaker Positive (+) | Blue/Green |
| Front Left Speaker Negative (–) | Gray/Black |
| Front Right Speaker Positive (+) | Red/Green |
| Front Right Speaker Negative (–) | Brown/Black |
| Rear Left Tweeter Positive (+) | N/A |
| Rear Left Tweeter Negative (–) | N/A |
| Rear Right Tweeter Positive (+) | N/A |
| Rear Right Tweeter Negative (–) | N/A |
| Rear Left Speaker Positive (+) | Blue/Yellow |
| Rear Left Speaker Negative (–) | Gray/White |
| Rear Right Speaker Positive (+) | Red/Yellow |
| Rear Right Speaker Negative (–) | Brown/White |
| Subwoofer Positive Wire (+) | N/A |
| Subwoofer Negative Wire (–) | N/A |
1986–1989 Honda Accord Speaker Sizes and Locations
Use the speaker table below for your 1986, 1987, 1988, and 1989 Honda Accord speaker sizes and locations.
| Speakers | Speaker Size & Location |
|---|---|
| Front Tweeter Speaker Size | N/A |
| Front Tweeter Speaker Location | N/A |
| Front Speaker Size | 5 1/4″ Speakers |
| Front Speaker Location | Front Doors |
| Rear Tweeter Speaker Size | N/A |
| Rear Tweeter Speaker Location | N/A |
| Rear Speaker Size | 6 1/2″ Speakers |
| Rear Speaker Location | Rear Deck |
| Subwoofer Speaker Size | N/A |
| Subwoofer Speaker Location | N/A |
Have 1986–1989 Honda Accord Wiring Information?
If you have verified 1986–1989 Honda Accord radio wiring data — wire colors, pin locations, harness adapter tips, or speaker sizes — please share it in the comments below. Community-submitted data is reviewed and added to the table above to help other 3rd generation Accord owners.
If you have a question about your 3rd gen Honda Accord stereo installation, post it below and our community will work to find an answer.
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