2003 vw jetta wiring

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Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=117658
Printed Date: May 11, 2025 at 8:57 PM

Topic: 2003 vw jetta wiring

Posted By: cprew55
Subject: 2003 vw jetta wiring
Date Posted: November 11, 2009 at 6:52 PM

I am trying to locate the ground wire under the driver's seat of a 2003 VW Jetta, wich becomes ground after fastening the seat belt, I have a yellow, blue, green, and tan wire, can anyone help?

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C. Prew

Replies:

Posted By: howie ll
Date Posted: November 12, 2009 at 12:48 AM

Test, or any brown is normally the ground side so maybe there isn't one it's probably sending a data signal to a processor. I'll check the wiring diagrammes and come back to you later today, it's 6:45am here.

Posted By: cprew55
Date Posted: November 12, 2009 at 9:20 AM

I have found that the yellow wire goes to ground once the seat belt is fastened.

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C. Prew

Posted By: cprew55
Date Posted: November 12, 2009 at 5:08 PM

I am looking for a wiring diagram for a 2003 VW Jetta from the driver's seat belt leading up to the seat belt light. I also have questions concerning the wiring diagram from the brake switch to the console shifting unit, does anyone have this diagram?

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C. Prew

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