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02 GMC Sierra Aux Input

Printed From: the12volt.com
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=46144
Printed Date: May 13, 2025 at 11:49 AM


Topic: 02 GMC Sierra Aux Input

Posted By: trick420
Subject: 02 GMC Sierra Aux Input
Date Posted: December 27, 2004 at 7:03 PM

Hello everyone.

I need to install an AUX input into a 2002 Sierra Pickup.  The CD-headunit has the 9-pin Aux connector, and has a factory tapedeck installed in the console. 

Can someone tell me the wiring pinout to wire in a set of RCAs to use the AUX control on the headunit?  I'd like to do this without having to purchase an expensive adapter, I just need a little information about how the interface works, and which pins to tap.

Thanks,

Trick420




Replies:

Posted By: Magicplay
Date Posted: February 03, 2005 at 12:12 AM
I know this is an old thread, but I'm trying to figure out the same thing. I need a diagram of the 9-pin aux plug for my '99 Malibu. Many thanks.



Posted By: CCnstlr
Date Posted: February 13, 2005 at 10:12 AM

Here is something I found on the 9-pin connector.

https://www.underthedash.com/board/viewthread.php?tid=728



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CCNstlr


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