2004 Honda Civic Car Stereo Radio Wiring Diagram

Whether your an expert Honda electronics installer or a novice Honda enthusiast with a 2004 Honda Civic, a car stereo wiring diagram can save yourself a lot of time. One of the most time consuming tasks with installing an after market car stereo, car radio, car speakers, car amplifier, car navigation or any car electronics is identifying the correct color wires for a 2004 Honda Civic.

The Modified Life staff has taken all its Honda car radio wiring diagrams, Honda car stereo wiring diagrams, Honda car radio wiring schematics, Honda car wiring diagrams and cataloged them online. Feel free to use any Honda car stereo wiring diagram that is listed on Modified Life but keep in mind that all information here is provided “as is” without any warranty of any kind and most of the diagrams listed on our enthusiast website are submitted by the Modified Life community. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2004 Honda Civic.

If you can’t find your car stereo wiring diagram or car radio wiring diagram on Modified Life, please feel free to post a car wiring diagram request (Car Stereo Wiring Diagram Request Page) and we’ll do our best to find you the information you need for your mobile installation.

If you would like to help the Modified Life community by adding a car stereo wiring diagram or car radio wiring diagram to our resource, please feel free to post any additional information about the 2004 Honda Civic on this page.

2004 Honda Civic Car Stereo Radio Wiring Diagram

Car Radio Constant 12v+ Wire: Blue/White
Car Radio Switched 12v+ Wire: Yellow/Red
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Red/Black
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Front Speakers Size: N/A
Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Blue/Green
Left Front Speaker Negative Wire (-): Gray/Black
Right Front Speaker Positive Wire (+): Red/Green
Right Front Speaker Negative Wire (-): Brown/Black
Rear Speakers Size: N/A
Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Blue/Yellow
Left Rear Speaker Negative Wire (-): Gray/White
Right Rear Speaker Positive Wire (+): Red/Yellow
Right Rear Speaker Negative Wire (-): Brown/White

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  • Reply jeremy April 20, 2008 at 4:22 pm

    Thank you for the wiring diagram, saved me some time.

  • Reply ModifiedLife April 20, 2008 at 5:18 pm

    Jeremy, we’re glad we could help you with your car stereo wiring diagram needs.

  • Reply Mark Z. January 6, 2010 at 1:41 pm

    Does anyone have any pointers for how to easily remove the factory speakers in my 2004 Honda Civic Hybrid?


  • Reply Mark Z. January 6, 2010 at 1:59 pm

    The 2004 Honda Civic Hybrid appears to use different wire colors than the non-Hybrid listed on this website. Anybody have a decoder ring?

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