Whether your an expert Lexus ES300 mobile electronics installer, Lexus ES300 fanatic, or a novice Lexus ES300 enthusiast with a 2003 Lexus ES300, a car stereo wiring diagram can save yourself a lot of time. Automotive wiring in a 2003 Lexus ES300 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 Lexus ES300.

The Modified Life staff has taken all its Lexus ES300 car radio wiring diagrams, Lexus ES300 car audio wiring diagrams, Lexus ES300 car stereo wiring diagrams, Lexus ES300 car radio wiring schematics, Lexus ES300 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 Lexus ES300 part or component.

Feel free to use any Lexus ES300 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 Lexus ES300 wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2003 Lexus ES300.

Questions

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Adding More Information

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2003 Lexus ES300 Car Radio Installation Schematic

Car Radio Battery Constant 12v+ Wire: Blue/Yellow
Car Radio Accessory Switched 12v+ Wire: Gray
Car Radio Ground Wire: Brown
Car Radio Illumination Wire: N/A
Car Stereo Dimmer Wire: N/A
Car Stereo Power Antenna Trigger Wire: N/A
Car Stereo Amp Turn-On Trigger Wire: N/A
Car Stereo Amplifier Location: Located behind right side of dash next to the glovebox.

Car Audio Front Tweeter Size: 1″ Tweeters
Car Audio Front Tweeter Depth: 1″
Car Audio Front Tweeter Location: N/A

Left Front Speaker Positive Wire (+): Green
Left Front Speaker Negative Wire (-): Red
Right Front Speaker Positive Wire (+): Black
Right Front Speaker Negative Wire (-): White

Car Audio Front Speakers Size: 6 1/2″ Speakers
Car Audio Front Speakers Depth: 3″
Car Audio Front Speakers Location: N/A

Left Rear Speaker Positive Wire (+): Light Green/Black
Left Rear Speaker Negative Wire (-): Light Green
Right Rear Speaker Positive Wire (+): Gray/Black
Right Rear Speaker Negative Wire (-): Gray

Car Audio Rear Speakers Size: 6 1/2″ Speakers
Car Audio Rear Speakers Depth: 3″
Car Audio Rear Speakers Location: N/A

Car Subwoofer Speaker Size: 8″ Subwoofer
Car Subwoofer Speaker Depth: 4″
Car Subwoofer Speaker Location: N/A
Car Subwoofer Speaker Positive Wire (+): N/A
Car Subwoofer Speaker Negative Wire (-): N/A

The 2003 Lexus ES300 radio wire color information above is updated as it is submitted by the Modified Life community.