Whether your an expert Toyota Corolla mobile electronics installer, Toyota Corolla fanatic, or a novice Toyota Corolla enthusiast with a 2004 Toyota Corolla, a car stereo wiring diagram can save yourself a lot of time. Automotive wiring in a 2004 Toyota Corolla vehicles are becoming increasing more difficult to identify due to the installation of more advanced factory oem electronics.
One of the most time consuming tasks with installing an after market car stereo, car radio, satellite radio, xm radio, car speakers, tweeters, car subwoofer, crossovers, audio equalizer, car amplifier, mobile amp, car amplifier, mp3 player, ipod or any car audio electronics is identifying the correct color car audio wires for your 2004 Toyota Corolla.
The Modified Life staff has taken all its Toyota Corolla car radio wiring diagrams, Toyota Corolla car audio wiring diagrams, Toyota Corolla car stereo wiring diagrams, Toyota Corolla car radio wiring schematics, Toyota Corolla car wiring diagrams and cataloged them online for use by our visitors for free. Our automotive wiring diagrams allow you to enjoy your new mobile electronics rather than spend countless hours trying to figure out which wires goes to which 2004 Toyota Corolla part or component.
Feel free to use any Toyota Corolla 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 car audio wiring diagrams listed on our enthusiast website are submitted by the Modified Life community. Use of the Toyota Corolla wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2004 Toyota Corolla.
If you have any questions pertaining to the audio system in the 2004 Toyota Corolla, please feel free to post it at the bottom of this page and either we’ll do our best to find you the information you need or hopefully someone in the Modified Life community will have the information you’re looking for.
Request a Car Stereo Wiring Diagram
If you can’t find a particular car audio wire diagram on Modified Life, please feel free to post a car radio wiring diagram request at the bottom of this page and we’ll do our best to find you the diagram or schematic you need for your mobile audio installation.
Adding More Information
If you would like to help the Modified Life community by adding any missing information or adding a new car audio wire diagram to our resource, please feel free to post it at the bottom of this page.
2004 Toyota Corolla Car Stereo Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Blue/White
Car Radio Accessory Switched 12v+ Wire: Gray
Car Radio Ground Wire: Brown
Car Radio Illumination Wire: Green
Car Stereo Dimmer Wire: White/Black
Car Stereo Antenna Trigger Wire: Black
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Pink
Left Front Speaker Negative Wire (-): Violet
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Blue
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Black
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Red
Right Rear Speaker Negative Wire (-): White