GM ONSTAR CLASS II DATA BUS INTERFACE
Installation Instructions
* READ IMPORTANT WARNING ON PAGE 2
BEFORE ATTEMPTING ANY INSTALLATION
THE GMOS-04 IS DESIGNED TO BE USED WITH VEHICLES
THAT HAVE A FACTORY AMPLIFIED SYSTEM INCLUDING
THE BOSE AUDIO SYSTEMS. BESIDES RETAINING THE
ONSTAR SYSTEM, THE GMOS-04 WILL ALSO RETAIN THE
WARNING CHIMES THAT WILL BE LOST WHEN THE FACTO-
RY RADIO IS REMOVED. THE GMOS-04 WILL ALSO PROVIDE
A 12 VOLT SWITCHED WIRE FOR PROPER RADIO OPERA-
TION. THE GMOS-04 NOW PROVIDES MUTE, PARKING
BRAKE, VSS OR SPEED SENSE, AND A REVERSE OUTPUT TO
MAKE INSTALLING AN AFTERMARKET NAVIGATIONAL
RADIO SIMPLER AND LESS TIME CONSUMING.
• SEE APPLICATIONS LIST INSIDE •
TOOLS REQUIRED FOR INSTALLATION
• Cutting Tool • Tape • Crimping Tool
• Connectors (ie: butt-connectors, bell caps, etc.)
1-800-221-0932
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GMOS-04
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