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2004 GMC Sierra w/OnStar

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=80307
Printed Date: May 04, 2024 at 9:38 AM


Topic: 2004 GMC Sierra w/OnStar

Posted By: bangmaniac
Subject: 2004 GMC Sierra w/OnStar
Date Posted: July 14, 2006 at 5:39 PM

Anyone have wiring info. for a 04 GMC Sierra.I've looked but didn't find helpful info.  I want to add an amp. to the factory H/U and i want to find out which is the remote wire for the amp. I also have a question, will the OnStar be affected?



Replies:

Posted By: dawg_
Date Posted: July 14, 2006 at 6:35 PM

This vehicle does not have a remote turn on or a Ign turn on wire it is all controlled from the data link, In order for all the factory functions (CHimes/Warning Tones) & the On Star to work you will need to use Wiring harness . A bunch of different companies supply them, Make sure the one you get retains the on star & the Datalink chimes. Also the harness will be different if you have the factory BOSE system, I would check out PAC for the harness required. Here is the link.....  https://www.pac-audio.com/products/productsCatagory.asp?mmSearch=OEM%20Integration



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2003 Chevy Express Conversion van. Built by Quality conversions, Modified By OWNER


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