2003 Saturn L200 Car Radio Wiring Diagram

Whether your an expert Saturn L200 mobile electronics installer, Saturn L200 fanatic, or a novice Saturn L200 enthusiast with a 2003 Saturn L200, a car stereo wiring diagram can save yourself a lot of time. Automotive wiring in a 2003 Saturn L200 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 Saturn L200.

The Modified Life staff has taken all its Saturn L200 car radio wiring diagrams, Saturn L200 car audio wiring diagrams, Saturn L200 car stereo wiring diagrams, Saturn L200 car radio wiring schematics, Saturn L200 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 Saturn L200 part or component.

Feel free to use any Saturn L200 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 Saturn L200 wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2003 Saturn L200.


If you have any questions pertaining to the audio system in the 2003 Saturn L200, 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 Saturn L200 Car Radio Wiring Diagram

Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Gray
Car Stereo Dimmer Wire: Brown
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: Pink
Car Stereo Amplifier Location: Located under the passenger side of the dash right above the footwell.
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue


  • Reply j-duble May 28, 2008 at 2:31 pm

    your web site is awsome it helped me out a whole lot.

  • Reply ModifiedLife May 28, 2008 at 4:54 pm

    J-Duble, we’re glad we could help you with your car stereo wiring diagram needs.

  • Reply billy denne February 11, 2009 at 8:30 pm

    thank you very much. the wire diagram was perfect and i found the wires i needed. i am an installer for circuit city and i was laid off because of the downfall and i thank this website for its support. On behalf of installers everywhere. Thank You

  • Reply ModifiedLife February 17, 2009 at 12:48 am

    Billy, we’re glad we could help you with your car radio wiring diagram needs.

  • Reply Sherm August 14, 2009 at 12:47 am

    Great work guys. You saved an amateur a ton of headache today. Many thanks.

  • Reply ModifiedLife August 24, 2009 at 6:16 pm

    Sherm, we’re glad we could help you with your 2003 Saturn L200 car stereo wiring diagram needs.

  • Reply Anton February 14, 2010 at 12:21 pm

    I was wondering if there are any aux input or anything on the original stereo, so i could connect an mp3 player directly. Thanks

  • Reply ModifiedLife February 16, 2011 at 1:49 am

    Anton, you will need an automotive auxiliary input adapter. This adapter will allow you to input any mp3 player or portable music player into your factory radio. This is the easiest and most cost effective way to add an audio input into your factory stereo. Here is the adapter you will need:

    Aux Input Adapter for 2003 Saturn L200

    If you’ve never installed car audio before, we advise you to take your car to an experienced mobile audio installer. Hope this helps. Good luck with your 2003 Saturn L200 aux input adapter installation.

  • Reply Skyler February 28, 2011 at 2:53 pm

    There is 2 orange wires neither one seems to be the 12v battery constant so i have no memory for my stereo! any advice?

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