Whether your an expert Lexus electronics installer or a novice Lexus enthusiast with a 2003 Lexus SC430, a Lexus 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 subwoofer, car amplifier, mobile amp, mobile navigation or any car audio electronics is identifying the correct color audio wires for a 2003 Lexus SC430.
The Modified Life staff has taken all its Lexus car radio wiring diagrams, Lexus car audio wiring diagrams, Lexus car stereo wiring diagrams, Lexus car radio wiring schematics, Lexus car wiring diagrams and cataloged them online. Feel free to use any Lexus 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 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 SC430.
If you can’t find your car audio wire diagram, car stereo wire diagram or car radio wire 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 audio installation.
If you would like to help the Modified Life community by adding a car audio wire diagram, car stereo wire diagram or car radio wire diagram to our resource, please feel free to post any additional car audio information about the 2003 Lexus SC430 on this page.
2003 Lexus SC430 Car Radio Stereo Audio Wiring Diagram
Car Radio Battery Constant 12v+ Wire: White/Red
Car Radio Accessory Switched 12v+ Wire: Gray
Car Radio Ground Wire: White/Black
Car Radio Illumination Wire: Green
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger: Black/Red
Car Stereo Amp Trigger Wire: Pink/Blue
Car Stereo Amplifier Location: Inside the trunk.
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Brown
Left Front Speaker Negative Wire (-): Green
Right Front Speaker Positive Wire (+): Blue/Black
Right Front Speaker Negative Wire (-): Blue/Red
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