Question: Where can I find a 2003 Volkswagen Passat stereo wiring diagram? What are the 2003 Volkswagen Passat radio wiring harness colors?
If you’re looking to change the radio in your 2003 Volkswagen Passat or troubleshoot why your car radio stopped working, we’re here to help!
Our comprehensive 2003 Volkswagen Passat stereo wiring diagram shows you all the stereo wire harness colors, car speaker wiring colors and car speaker sizes. Use our 2003 Volkswagen Passat stereo wiring guide to help you with your car radio and installation needs.
In This Guide
2003 Volkswagen Passat Stereo Wiring Diagram
This 2003 Volkswagen Passat stereo wiring chart shows you all the 2003 Volkswagen Passat stereo wire colors and their functions. Utilize this guide to help you with a car radio install or help with a car radio troubleshoot. If you don’t see the car radio wiring information you’re looking for, please feel free to ask your question at the bottom of this page.
Application | Radio Wire Color |
---|---|
Car Radio Battery Wire (Constant Power 12v+) | Red/Blue |
Car Radio Accessory Wire (Switched Power 12v+) | Run a wire to the fuse box or ignition switch harness for switched power. |
Car Radio Ground Wire | Brown |
Use a Car Radio Wiring Harness and Car Radio Dash Kit for an Easy Install! | |
Car Radio Illumination Wire | Gray/Blue |
Car Stereo Dimmer Wire | N/A |
Car Radio Antenna Trigger Wire | N/A |
Car Radio Amp Turn-On Trigger Wire | N/A |
Car Radio Amp Mute Wire | N/A |
Car Radio Amplifier Location | Car amplifier is located under the rear deck. |
Use an Amp Integration Harness to Connect Your Factory Amplifier to an aftermarket radio. |
2003 Volkswagen Passat Speaker Wiring Guide
This 2003 Volkswagen Passat speaker wiring chart shows you every speaker wire color and the speaker wire location. Use this 2003 Volkswagen Passat speaker wiring guide to help you with a speaker replacement or speaker upgrade. If the car speaker wiring information you’re searching for is not listed, please don’t hesitate to ask for it at the bottom of this page.
Application | Speaker Wire Color |
---|---|
Front Center Speaker Positive Wire (+) | N/A |
Front Center Speaker Negative Wire (-) | N/A |
Upgrade your Center Speakers for awesome sound! | |
Front Left Tweeter Positive Wire (+) | N/A |
Front Left Tweeter Negative Wire (-) | N/A |
Front Right Tweeter Positive Wire (+) | N/A |
Front Right Tweeter Negative Wire (-) | N/A |
Upgrade your Tweeters for cleaner audio highs! | |
Front Left Speaker Positive Wire (+) | Red/Green |
Front Left Speaker Negative Wire (-) | Brown/Green |
Front Right Speaker Positive Wire (+) | Red |
Front Right Speaker Negative Wire (-) | Brown/Red |
Use a Speaker Wire Harness for easy Speaker Installation! | |
Rear Left Tweeter Positive Wire (+) | N/A |
Rear Left Tweeter Negative Wire (-) | N/A |
Rear Right Tweeter Positive Wire (+) | N/A |
Rear Right Tweeter Negative Wire (-) | N/A |
Upgrade your Tweeters for cleaner audio highs! | |
Rear Left Speaker Positive Wire (+) | Blue/White |
Rear Left Speaker Negative Wire (-) | Brown/White |
Rear Right Speaker Positive Wire (+) | Blue |
Rear Right Speaker Negative Wire (-) | Brown/Blue |
Upgrade your Subwoofer for deeper lows! | |
Subwoofer Positive Wire (+) | N/A |
Subwoofer Negative Wire (-) | N/A |
2003 Volkswagen Passat Speaker Sizes and Location
This 2003 Volkswagen Passat speaker size chart shows your speaker measurements and speaker locations. Use this chart to see what speaker fits in your 2003 Volkswagen Passat.
Application | Speaker Size and Location |
---|---|
Front Center Speaker Size | N/A |
Front Center Speaker Depth | N/A |
Front Center Speaker Location | N/A |
Upgrade your Center Speakers for awesome sound! | |
Front Tweeter Size | N/A |
Front Tweeter Depth | N/A |
Front Tweeter Location | N/A |
Upgrade your Tweeters for cleaner audio highs! | |
Front Speaker Size | 6.5″ Speakers |
Front Speaker Depth | 3″ Depth |
Front Speaker Location | Front Doors |
Use a Speaker Wire Harness for easy Speaker Installation! | |
Rear Tweeter Size | N/A |
Rear Tweeter Depth | N/A |
Rear Tweeter Location | N/A |
Use a Speaker Wire Harness for easy Speaker Installation! | |
Rear Speaker Size | 6.5″ Speakers |
Rear Speaker Depth | 3″ Depth |
Rear Speaker Location | Rear Deck |
Upgrade your Subwoofer for deeper lows! | |
Car Subwoofer Speaker Size | N/A |
Car Subwoofer Speaker Depth | N/A |
Car Subwoofer Speaker Location | N/A |
Questions and Answers
If you have any questions about your 2003 Volkswagen Passat radio installation, please don’t hesitate to post them at the bottom of this page. We’re committed to finding the answers you need, and members of the Modified Life community may also provide valuable insights into the car stereo information you’re looking for. Don’t hesitate to ask your car audio question; it could benefit others seeking the same answers!
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8 thoughts on “2003 Volkswagen Passat Stereo Wiring Guide”
Adria, your 2003 Volkswagen Passat Wagon does not have an aux input jack. We suggest you purchase an automotive auxiliary input adapter. This adapter will allow you to input any Apple iPod, 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 directly rather than over the air. Here is the adapter you will need:
Auxiliary Input Adapter for 2003 Volkswagen Passat Wagon
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 Volkswagen Passat Wagon aux input adapter installation.
Does the 2003 volkswagen Passat Wagon GLS V6 have an aux jack?
Hi, I have a 2003 volkswagen passat and installed a after market stereo and was wondering if it is possible to hook up the factory amp in the car. anyone?
Hey I was looking to install subs and an amp into my car with the stock radio. I have an output adapter for my RCA cables to hook up to the amp, but I’m unsure of how to wire it in. I have located the rear speaker wiring and was wondering if i should disconnect these wires and use those to wire to my output converter, however, I am unsure if this is the correct way to do this. thanks
Andrew, here is the 2003 Volkswagen Passat wire harness you need:
Car Stereo Wire Harness for 2003 Volkswagen Passat
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 Volkswagen Passat stereo install.
Where can I get a plug that goes into the monsoon radio for 2003 passat?
Shane, it sounds like you haven’t properly wired up your accessory switched power source. The factory stereo wire harness does not provide a accessory switched power source. Run a wire to the fuse box and find a switched power source that turns on and off with your key. Use this wire to turn your radio on and off. Hope this helps. Good luck with your 2003 Volkswagen Passat radio installation.
Hi, i want to change the radio in my 2003 Passat. but the radio i put in, does not automatically turn on/off with the key like the original one. is it possible to change it so it turns on/off with the key? thanks, Shane