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saraja · 07-07-2006, 06:50 AM

Radio Intsall Update

Gentlemen (and ladies),

Thought I'd wrap this up for anyone who runs into the same situation.

Synopsis
2000 - 2003 GM was in transition with the radio/On-Star/operator notification systems. During that time you could have any of the following combos depending on the model/year (I believe they all had On-Star):

No Bose/No RDS/No Class 2
No Bose/RDS/No Class 2
No Bose/Class 2

Bose/No RDS/No Class 2
Bose/RDS/No Class 2
Bose/No RDS/Class 2

Their may be other combos as well. The Class 2 interface really complicated things by including driver notification (chimes) in the radio system as well.

Back to my setup (On-Star/No Bose/No RDS/No Class 2) 2000 Suburban.
If you have a vehicle with this setup and you want to keep On-Star working you must get a PAC OS-1 interface device (or equivalent) ~$100. Scosche and Precision VAR this device as well. I went this route and it works perfectly.

If you don't care about On-Star and don't want to drop the coin on the PAC OS-1 you'll have to play with the wiring a bit. The radio has two connectors. The larger (21 Pin) is your standard radio connector. The 18 Pin is the interface to On-Star and any other sub-systems. You will need to tie one or more wires on the 18 Pin to a suitable trigger to activate the factory amp. See the wiring diagram attached above for more details.

If you have a Class 2 radio you will need the PAC OS-2 (or equivalent) along with the chime module.

07-07-2006, 06:50 AM	#13
saraja Newbie Join Date: Jul 2006 Posts: 12 My Photos: ()	Radio Intsall Update Gentlemen (and ladies), Thought I'd wrap this up for anyone who runs into the same situation. Synopsis 2000 - 2003 GM was in transition with the radio/On-Star/operator notification systems. During that time you could have any of the following combos depending on the model/year (I believe they all had On-Star): No Bose/No RDS/No Class 2 No Bose/RDS/No Class 2 No Bose/Class 2 Bose/No RDS/No Class 2 Bose/RDS/No Class 2 Bose/No RDS/Class 2 Their may be other combos as well. The Class 2 interface really complicated things by including driver notification (chimes) in the radio system as well. Back to my setup (On-Star/No Bose/No RDS/No Class 2) 2000 Suburban. If you have a vehicle with this setup and you want to keep On-Star working you must get a PAC OS-1 interface device (or equivalent) ~$100. Scosche and Precision VAR this device as well. I went this route and it works perfectly. If you don't care about On-Star and don't want to drop the coin on the PAC OS-1 you'll have to play with the wiring a bit. The radio has two connectors. The larger (21 Pin) is your standard radio connector. The 18 Pin is the interface to On-Star and any other sub-systems. You will need to tie one or more wires on the 18 Pin to a suitable trigger to activate the factory amp. See the wiring diagram attached above for more details. If you have a Class 2 radio you will need the PAC OS-2 (or equivalent) along with the chime module.