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Old 10-25-2007, 02:17 PM   #1
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HI folks I have a 00 ssei with the factory bose system. I want to install a onstar system in my car maybe from another GM car to keep the cost down. Does anyone know if these unit are interchangable and what I would need to make this happen. THANX.
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Old 10-25-2007, 05:02 PM   #2
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It is very unlikely you will be able to do this. The actual hardware isn't the problem. You would need to get a module and all the related parts from a much newer car, since all the OEM equipment prior to 2005 (for the Bonneville) was analog. As of December 31, 2007, OnStar will no longer support any vehicle unless it is equipped with dual mode hardware. The only vehicles with analog/digital ready wiring (in the Bonneville line-up) are the 2003-2004 and these need to be dealer upgraded before the end of the year to continue working. The 2005 came equipped with dual mode hardware.

Your bigger problem is that even if everything is installed and functional from a "technical" standpoint, I suspect it is very unlikely that OnStar will allow you to activate the equipment on their system. Without this, you basically have a car which weighs about another 7-8 pounds. I would certainly clarify this with OnStar before going any further. If it'* like everything else GM has told me in the past then you can expect to hear the line I keep getting - "I'm sorry sir, but if it didn't come with that from the factory, you can't add it".

As a further note, there are significant hardware differences in the 00-02 as compared with the 03-05. The 00-02 Bonneville uses two modules whereas the 03-05 is a single unit. Because of this, there are definite wiring harness differences which is why I suspect there is no upgrade available for the Bonneville prior to 2003.
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Old 11-13-2007, 03:19 PM   #3
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Today I received a letter from OnStar stating the following:
Quote:
Eariler this year, we informed you that OnStar would not be able to provide your analog vehicle with OnStar service after December 31, 2007. We have good news. Your analog vehicle can be upgraded. That means OnStar service will still be available after the end of the year if you upgrade your analog-equipped vehicle to digital equipment. We are currently obtaining the parts necessary to make upgrade kits for your vehicle, and we will contact you again soon to inform you when the kit is available.
This is a NEW development! I had previously been told there is no upgrade available for my car (as ddalder stated above).

They go on to say:
Quote:
Once you hear from us, you can contact your GM dealer and make an appointment to have your OnStar equipment upgraded to operate on the digital network. Through December 31, 2007, your price for the upgrade will be $15 with the purchase of a one year Safe & Sound subscription for $199.
This may be a promotional deal to current OnStar customers only, but hey, I say give them a call and ASK!
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Old 11-13-2007, 03:37 PM   #4
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GM has added a few vehicles to this latest upgrade offer. I posted them here:

http://www.bonnevilleclub.com/forum/...74742&start=33

Certainly some good news, at least in my opinion as an OnStar user.

EDIT: Updated link to additional vehicles.
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