Whether your an expert Mazda CX7 mobile electronics installer, Mazda CX7 fanatic, or a novice Mazda CX7 enthusiast with a 2009 Mazda CX7, a car stereo wiring diagram can save yourself a lot of time. Automotive wiring in a 2009 Mazda CX7 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 2009 Mazda CX7.

The Modified Life staff has taken all its Mazda CX7 car radio wiring diagrams, Mazda CX7 car audio wiring diagrams, Mazda CX7 car stereo wiring diagrams, Mazda CX7 car radio wiring schematics, Mazda CX7 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 2009 Mazda CX7 part or component.

Feel free to use any Mazda CX7 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 CX7 wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2009 Mazda CX7.

Questions

If you have any questions pertaining to the audio system in the 2009 Mazda CX7, 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.

2009 Mazda CX7 Car Stereo Wiring Instructions

Car Radio Battery Constant 12v+ Wire: Red
Car Radio Accessory Switched 12v+ Wire: Blue/Black
Car Radio Ground Wire: Black/Green (The dimmer is also black/green and negative, test this wire carefully.)
Car Radio Illumination Wire: Orange/Black
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: White/Red
Car Stereo Amp Trigger Wire: White
Car Stereo Amplifier Location: In cargo area under carpet towards front of vehicle.
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 (+): N/A
Left Rear Speaker Negative Wire (-): N/A
Right Rear Speaker Positive Wire (+): N/A
Right Rear Speaker Negative Wire (-): N/A

Car radio wire color information above is updated as it is submitted by the Modified Life community.