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- Retains factory features in select GM Class II Data Bus vehicles while functioning with an
aftermarket radio.
- Supports Bose, Monsoon, Y-91 audio and non-amplified audio systems.
- Retains chime functions.
- Built-in chime volume adjustment.
- EIA color coded wiring for easy installation.
1. The Front and Rear fading are not retained on Y-91 Bose System.
2. Chime includes: seat belt, check engine, key in ignition, low fuel, low oil and lights on.
SOCGM-17C Module
SOCGM-17C Harness (GM-C2)
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If the vehicle is equipped with an amplified audio system, the SOCGM-17C has a built-in audio
level adaptor that outputs the proper audio level from the aftermarket radio to the factory
amplifier. To use this feature, plug in the male 8-pin connector on the GM-17C harness to the
GRAY female 8-pin connector on the GM-17C module. The module is also labeled “Bose” and
“Non Bose” to avoid confusion. (see picture below)
If the vehicle is NOT equipped with a factory amplified system, plug in the male 8-pin connector
to the BLACK female 8-pin on the GM-17C module.
The SOCGM-17C has a potentiometer to adjust the chime volume. It is set at half way by
default. To adjust the volume, simply use a suitable screw driver and turn the potentiometer
clockwise to increase the volume and counter-clockwise to decrease the volume.
BOSE
(Amplified)
Connection
Non-BOSE
(Non-Amplified)
Connection
Chime
Volume
Adjustment
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Buick
GMC
2004-2005
Century
2004--2011
Canyon
2005-2007
LaCrosse
2002-2009
Envoy
2004-2007
Rainier
2003-2007
Savana
2003-2005
Rendezvous
2003-2006
Sierra
2005-2007
Terraza
2007
Sierra Classic
Cadillac
2003-2006
Yukon
2004-2006
Escalade
Hummer
Chevrolet
2003-2007
H2
2003-2006
Avalanche
2005-2009
H3
2000-2005
Cavalier
Isuzu
2004-2013
Colorado
2003-2008
Ascender
2006-2013
Corvette
Oldsmobile
2004-2007
Express
2001-2004
Alero
2000-2005
Impala
2002-2004
Bravada
2000-2005
Monte Carlo
2000-2004
Silhouette
2003-2004
S-10
Pontiac
2003-2006
Silverado
2001-2005
Aztek
2007
Silverado Classic
2001-2005
Grand Am
2003-2006
SSR
2004-2008
Grand Prix
2003-2006
Suburban
2000-2006
Montana
2003-2006
Tahoe
2000-2005
Sunfire
2002-2009
Trailblazer
Saab
2005-2008
Uplander
2005-2008
9-7X
2003-2005
Venture
Saturn
2005-2007
Relay
NOTE:
There are instances on the Corvette when the chime will sound when either the “Traction Control”
or the “DIC” (Driver Information Center) buttons are pressed.
Traction Control Button Driver Information Center Buttons
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