GM ONSTAR CLASS II DATA BUS INTERFACE
GMOS-05
Installation Instructions
1-800-221-0932
© COPYRIGHT 2004-2008 METRA ELECTRONICS CORPORA
TION Rev
. 08-19-08
www.axxessinterface.com
The GMOS-05 is designed to be used in vehicles listed below to retain
Onstar and the warning chimes that are lost when the OEM radio is
removed, and also provide a 12 volt accessory output for proper after-
market radio operation. THE GMOS-05 NOW PROVIDES MUTE, PARK-
ING BRAKE, VSS OR SPEED SENSE, AND A REVERSE OUTPUT TO MAKE
INST
ALLING AN AFTERMARKET NAVIGATIONAL RADIO SIMPLER AND
LESS TIME CONSUMING.
* READ IMPORTANT WARNING ON PAGE 1
BEFORE ATTEMPTING ANY INSTALLATION
*NOTE: This inteface will also work in vehicles listed
below that are NOT equipped with Onstar.
*NOTE: This inteface will NOT work to retain factory amplifiers.
BUICK
LeSabre 2000-05
OLDSMOBILE
Aurora 2001-03
PONTIAC
Bonneville 2000-05
APPLICATIONS
INTERFACE COMPONENTS
• GMOS-05 Data Interface
• 14 pin harness with stripped leads
• 12 pin harness to 32 pin GM
harness with stripped leads