2002 Trailblazer w/ Onstar

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edt1221

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Joined: July 15, 2003

Location: United States

Posted: July 15, 2003 at 1:33 PM / IP Logged

I am itching to replace my factory head unit in my 2002 trailblazer with onstar. What is the best way to interface an aftermarket head unit with the onstar system? Any advice would be greatly appreciated.

ed thompson

bberman1

Gold - Posts: 2,314

Joined: March 11, 2002

Location: United States

Posted: July 15, 2003 at 2:09 PM / IP Logged

it a factory bose system?

edt1221

Member - Posts: 3

Joined: July 15, 2003

Location: United States

Posted: July 16, 2003 at 8:40 AM / IP Logged

No, It is not a bose system. But it is class 2 wiring as the door chimes come thru the speakers.

ed thompson

Velocity Motors

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Joined: March 08, 2002

Location: Manitoba, Canada

Posted: July 16, 2003 at 8:54 AM / IP Logged

Get a OnStar bypass module as well as the Databus bypass module. This will help retain the OnStar and also will get rid of the OEM deck from the vehicle instead of having to have the OEM deck still in the truck somewhere. You can get these modules from anywhere that sells Metra or Ventura products.

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

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edt1221

Member - Posts: 3

Joined: July 15, 2003

Location: United States

Posted: July 16, 2003 at 10:54 AM / IP Logged

Thanks for your help.

ed thompson

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2002 Trailblazer w/ Onstar

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