2003 cadillac cts bose edition car audio

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Forum Name: Vehicle Wiring Information & File Requests
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URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=120324
Printed Date: May 09, 2025 at 7:44 PM

Topic: 2003 cadillac cts bose edition car audio

Posted By: defend9mm
Subject: 2003 cadillac cts bose edition car audio
Date Posted: February 23, 2010 at 4:26 AM

I'm looking for a 2003 Cadillac CTS bose edition car audio wiring diagram. I am keeping the stock radio and adding a subwoofer. Include best place to pass through firewall with power cable and appropriate ground location for aftermarket amplifier if possible.

Replies:

Posted By: yimke
Date Posted: February 23, 2010 at 11:04 AM

Wow... Have someone do it.

You can grab a low signal at the back factory sub by splicing in a RCA. Or you can go to the amp which I believe is behind the driver rear seat and grab your standard GM speaker colors there. There are a ton of wires though, so you will have to test.

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