2004 GMC Sierra w/OnStar

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bangmaniac

Member - Posts: 13

Joined: January 25, 2006

Location: United States

Posted: July 14, 2006 at 5:39 PM / IP Logged

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?

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dawg_

Member - Posts: 8

Joined: July 12, 2006

Location: United States

Posted: July 14, 2006 at 6:35 PM / IP Logged

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..... http://www.pac-audio.com/products/productsCatagory.asp?mmSearch=OEM%20Integration

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

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2004 GMC Sierra w/OnStar

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