8120 install

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Feb 12, 2009 | 04:02 PM

aquavettes

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Racer

Joined: Feb 2001

Posts: 448

Likes: 55

From: Fishers IN

8120 install

all working now

I have a Bose Premium no OnStar. Using the harness that came with 8120. do I have to connect the front speakers to the harness wires with no rca plugs or can I or (should) use the aux connections with the rca plugs and the GMCO add on. Thanks

Last edited by aquavettes; Feb 17, 2009 at 11:24 PM.

Feb 12, 2009 | 04:06 PM

TheKomoman

Le Mans Master

Joined: Jun 2004

Posts: 9,289

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From: Skippack PA

St Jude Donor '13

Quote:

Originally Posted by aquavettes

I have a Bose Premium no OnStar. Using the harness that came with 8120. do I have to connect the front speakers to the harness wires with no rca plugs or can I or (should) use the aux connections with the rca plugs and the GMCO add on. Thanks

You can and should use the RCA's on the GMCO.

If you wind up with alternator whine or popping noises you may wind up having to put ground loop isolators on each set of those GMCO's, but that seems to vary by car.

Feb 12, 2009 | 06:38 PM

pentavolvo

Le Mans Master

Joined: Nov 2004

Posts: 8,718

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From: Dyer IN

Cruise-In IX Veteran

rca's on gmco

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