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2003 Ford Focus sound system wiring.

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=22602
Printed Date: July 18, 2025 at 5:19 AM


Topic: 2003 Ford Focus sound system wiring.

Posted By: alal84
Subject: 2003 Ford Focus sound system wiring.
Date Posted: December 09, 2003 at 2:27 PM

On a 2003 Ford Focus with the factory Blaupunkt single disk CD/MP3 player, which wire is the switched 12V power, and ground?

Thanks.




Replies:

Posted By: bberman1
Date Posted: December 09, 2003 at 2:42 PM

I       RADIO 12V+ CONSTANT|ORANGE / black (thick)|+  |radio|
|       RADIO GROUND|blk/yel & blk/grn   |-  |radio|
|       RADIO SWITCH|YELLOW /GREEN        |+  |radio|
|       RADIO ILLUMINATE|ORANGE / black (thin) |+  |radio|
|       POWER ANTENNA|                    |   |                          
|       LF SPEAKER|wht/blk - gry/blk   |   |radio|
|       RF SPEAKER|wht/red - gry/red   |   |radio|
|       LR SPEAKER|wht/pur - gry/wht   |   |radio|
|       RR SPEAKER|white - gray        |   |radio

This should be the correct diagram but check all wires with a voltage meter before making any connection


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