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

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

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

Questions

If you have any questions pertaining to the audio system in the 2003 Volkswagen Passat, 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.

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Adding More Information

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2003 Volkswagen Passat Car Radio Wire Diagram

Car Radio Battery Constant 12v+ Wire: Red/Blue
Car Radio Accessory Switched 12v+ Wire: This vehicle uses the can data network for accessory turn on.
Car Radio Ground Wire: Brown
Car Radio Illumination Wire: This vehicle uses the can data network for illumination and dimmer controls.
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: Under the rear deck.
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Red/Green (These wires also go to the front left tweeter.)
Left Front Speaker Negative Wire (-): Brown/Green
Right Front Speaker Positive Wire (+): Red (These wires also go to the front right tweeter.)
Right Front Speaker Negative Wire (-): Brown/Red
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Blue/White (These wires also go to the rear left tweeter.)
Left Rear Speaker Negative Wire (-): Brown/White
Right Rear Speaker Positive Wire (+): Blue (These wires also go to the rear right tweeter.)
Right Rear Speaker Negative Wire (-): Brown/Blue

Make Your Volkswagen Passat Car Stereo Installation Easy with these Products
Car Stereo Wire Harness   2006 Volkswagen Passat Stereo Wiring Harness
Car Stereo Wire Harness   2005.5 Volkswagen Passat Stereo Wiring Harness
Car Stereo Wire Harness   2005 Volkswagen Passat Stereo Wiring Harness
Car Stereo Wire Harness   2004 Volkswagen Passat Stereo Wiring Harness
Car Stereo Wire Harness   2003 Volkswagen Passat Stereo Wiring Harness
Car Stereo Wire Harness   2002 Volkswagen Passat Stereo Wiring Harness
(Single DIN)
Car Stereo Wire Harness   2002 Volkswagen Passat Stereo Wiring Harness
(Double DIN)
Car Stereo Wire Harness   2001 Volkswagen Passat Stereo Wiring Harness
(Single DIN)
Car Stereo Wire Harness   2000 Volkswagen Passat Stereo Wiring Harness
(Single DIN)
Car Stereo Wire Harness   1999 Volkswagen Passat Stereo Wiring Harness
(Single DIN)
Car Stereo Wire Harness   1998 Volkswagen Passat Stereo Wiring Harness
(Single DIN)
Car Stereo Wire Harness   1997 Volkswagen Passat Stereo Wiring Harness
Car Stereo Wire Harness   1996 Volkswagen Passat Stereo Wiring Harness
Car Stereo Wire Harness   1995 Volkswagen Passat Stereo Wiring Harness
Car Stereo Wire Harness   1994 Volkswagen Passat Stereo Wiring Harness
Car Stereo Wire Harness   1993 Volkswagen Passat Stereo Wiring Harness
Car Stereo Wire Harness   1992 Volkswagen Passat Stereo Wiring Harness
Car Stereo Wire Harness   1991 Volkswagen Passat Stereo Wiring Harness
Car Stereo Wire Harness   1990 Volkswagen Passat Stereo Wiring Harness
     
Car Antenna Adapter   2006 Volkswagen Passat Car Antenna Adapter
Car Antenna Adapter   2005.5 Volkswagen Passat Car Antenna Adapter
Car Antenna Adapter   2005 Volkswagen Passat Car Antenna Adapter
Car Antenna Adapter   2004 Volkswagen Passat Car Antenna Adapter
Car Antenna Adapter   2003 Volkswagen Passat Car Antenna Adapter
Car Antenna Adapter   2002 Volkswagen Passat Car Antenna Adapter
(Single DIN)
Car Antenna Adapter   2001 Volkswagen Passat Car Antenna Adapter
(Single DIN)
Car Antenna Adapter   2000 Volkswagen Passat Car Antenna Adapter
(Single DIN)
Car Antenna Adapter   1999 Volkswagen Passat Car Antenna Adapter
(Single DIN)
Car Antenna Adapter   1998 Volkswagen Passat Car Antenna Adapter
(Single DIN)
Car Antenna Adapter   1997 Volkswagen Passat Car Antenna Adapter
Car Antenna Adapter   1996 Volkswagen Passat Car Antenna Adapter
Car Antenna Adapter   1995 Volkswagen Passat Car Antenna Adapter
Car Antenna Adapter   1994 Volkswagen Passat Car Antenna Adapter
Car Antenna Adapter   1993 Volkswagen Passat Car Antenna Adapter
Car Antenna Adapter   1992 Volkswagen Passat Car Antenna Adapter
Car Antenna Adapter   1991 Volkswagen Passat Car Antenna Adapter
 
Car Stereo Dash Kit   2007 Volkswagen Passat Car Stereo Dash Kit
Car Stereo Dash Kit   2006 Volkswagen Passat Car Stereo Dash Kit
Car Stereo Dash Kit   2005.5 Volkswagen Passat Car Stereo Dash Kit
Car Stereo Dash Kit   2005 Volkswagen Passat Car Stereo Dash Kit
(Single DIN)
Car Stereo Dash Kit   2005 Volkswagen Passat Car Stereo Dash Kit
(Double DIN)
Car Stereo Dash Kit   2004 Volkswagen Passat Car Stereo Dash Kit
(Single DIN)
Car Stereo Dash Kit   2004 Volkswagen Passat Car Stereo Dash Kit
(Double DIN)
Car Stereo Dash Kit   2003 Volkswagen Passat Car Stereo Dash Kit
(Single DIN)
Car Stereo Dash Kit   2003 Volkswagen Passat Car Stereo Dash Kit
(Double DIN)
Car Stereo Dash Kit   2002 Volkswagen Passat Car Stereo Dash Kit
(Double DIN)
Car Stereo Dash Kit   2001 Volkswagen Passat Car Stereo Dash Kit
(Double DIN)
Car Stereo Dash Kit   2000 Volkswagen Passat Car Stereo Dash Kit
(Double DIN)
Car Stereo Dash Kit   1999 Volkswagen Passat Car Stereo Dash Kit
(Double DIN)
     
Apple iPod Adapter Kit   1990-2012 Volkswagen Passat Apple iPod Adapter Kit
     
Auxiliary Car Audio Input Adapter Kit   1990-2012 Volkswagen Passat
Auxiliary Car Audio Input Adapter Kit
Make Your Car Audio Installation Easy with these Tools and Accessories