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4th Gen Chassis Codes: CB7 | Model Years: 1990, 1991, 1992, and 1993
This page provides the complete 1990–1993 Honda Accord radio wiring diagram for the 4th generation Accord (chassis code CB7). Use this guide when installing an aftermarket head unit or troubleshooting factory stereo issues in a 1990, 1991, 1992, or 1993 Honda Accord.
The 4th generation CB7 Accord was a major leap in refinement and became one of Honda’s best-selling generations. Available as a sedan, coupe, and wagon, it featured Honda’s updated radio connector layout. The EX trim introduced a factory cassette deck with upgraded door speakers, while the base DX and LX trims used simpler two-speaker setups.
1990–1993 Honda Accord Stereo Wiring Diagram
Use the wiring table below for your 1990, 1991, 1992, and 1993 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 |
1990–1993 Honda Accord Speaker Sizes and Locations
Use the speaker table below for your 1990, 1991, 1992, and 1993 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 | 6 1/2″ 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 1990–1993 Honda Accord Wiring Information?
If you have verified 1990–1993 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 4th generation Accord owners.
If you have a question about your 4th gen Honda Accord stereo installation, post it below and our community will work to find an answer.
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