Onstar ?

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=56569
Printed Date: May 16, 2025 at 8:29 AM

Topic: Onstar ?

Posted By: mactech
Subject: Onstar ?
Date Posted: May 28, 2005 at 11:15 AM

Does anyone know a way to get onstar to work, even though all the speaker are bypassing the factory amp and has a aftermarket amp for all the mids and highs?

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01 Mazda. Millenia
pioneer AVX-6600DVD

Replies:

Posted By: DYohn
Date Posted: May 28, 2005 at 1:55 PM

In what vehicle?

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Posted By: mactech
Date Posted: May 29, 2005 at 2:30 AM

03 H2 Hummer

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01 Mazda. Millenia
pioneer AVX-6600DVD

Posted By: DYohn
Date Posted: May 29, 2005 at 8:59 AM

Assuming you are also replacing the factory head unit, one of THESE should work. If you keep the factory HU, you shouldn't need any special adapter. Hummer uses a Class 2 GM databus system.

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