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99 concorde radio strange wire

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=46117
Printed Date: May 10, 2025 at 2:52 AM


Topic: 99 concorde radio strange wire

Posted By: willwatson
Subject: 99 concorde radio strange wire
Date Posted: December 27, 2004 at 1:57 PM

Hello all,

I've got a 99 Concorde with the Infinity sound system.  I'm doing all my investigation first, but there is one thing I can't find.  On the back of the stock head unit  there are the 2 wire connectors, but there is a third very small connector that has one wire.  That wire is purple with a yellow stripe.  I can't find anything about that wire even looking at all the other schematics for the car.

Any ideas.....Thanks....Will




Replies:

Posted By: tech460
Date Posted: December 27, 2004 at 2:36 PM
That is the wire that links the radio to the BCM for communications.



Posted By: willwatson
Date Posted: December 27, 2004 at 3:13 PM

BCM???  Thats a new one to me.  Could you explain?




Posted By: auex
Date Posted: December 27, 2004 at 3:28 PM
BCM=Body Control module.

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Posted By: willwatson
Date Posted: December 27, 2004 at 3:33 PM
Now, if I don't hook that wire back up whats gonna happen if any?



Posted By: tech460
Date Posted: December 27, 2004 at 4:06 PM
Nothing. It's not required for an aftermarket installation.



Posted By: willwatson
Date Posted: December 28, 2004 at 7:38 PM

Thanks for all the help.  Hope to talk more in the future. 

Wonderful site full of amazing information.

Will Watson


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