Whether your an expert Mazda 3 mobile electronics installer, Mazda 3 fanatic, or a novice Mazda 3 enthusiast with a 2003 Mazda 3, a car stereo wiring diagram can save yourself a lot of time. Automotive wiring in a 2003 Mazda 3 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 2003 Mazda 3.
The Modified Life staff has taken all its Mazda 3 car radio wiring diagrams, Mazda 3 car audio wiring diagrams, Mazda 3 car stereo wiring diagrams, Mazda 3 car radio wiring schematics, Mazda 3 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 2003 Mazda 3 part or component.
Feel free to use any Mazda 3 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 Mazda 3 wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2003 Mazda 3.
If you have any questions pertaining to the audio system in the 2003 Mazda 3, 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.
2003 Mazda 3 Car Audio Installation Guide
Car Radio Battery Constant 12v+ Wire: Orange/Black
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black/Green
Car Radio Illumination Wire: N/A
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
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 (+): White/Black
Left Front Speaker Negative Wire (-): Gray/Black
Right Front Speaker Positive Wire (+): White/Red
Right Front Speaker Negative Wire (-): Gray/Red
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): White/Violet
Left Rear Speaker Negative Wire (-): Gray/White
Right Rear Speaker Positive Wire (+): White
Right Rear Speaker Negative Wire (-): Gray
The 2003 Mazda 3 radio wire color information above is updated as it is submitted by the Modified Life community.
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