
GM ONSTAR LAN DATA BUS INTERFACE
©Copyright 2004-2010 Metra Electronics Corporation
INSTALLATION INSTRUCTIONS
©Copyright 2004-2010 Metra Electronics Corporation
THIS PRODUCT INCLUDES INSTRUCTIONS FOR INSTALLATION WHICH
MUST BE CAREFULLY FOLLOWED. THE INSTRUCTIONS ARE WORDED
IN SUCH A MANNER TO ASSUME THAT THE INSTALLER IS CAPABLE
OF COMPLETING THESE TYPE OF ELECTRONIC INSTALLATIONS. IF YOU
ARE UNCLEAR AS TO WHAT YOU ARE INSTRUCTED TO DO OR BELIEVE
THAT YOU DO NOT UNDERSTAND THE INSTRUCTIONS SO AS TO
PROPERLY AND SAFELY COMPLETE THE INSTA
CONSULT A TECHNICIAN WHO DOES HAVE THIS KNOWLEDGE AND
UNDERSTANDING. FAILURE TO FOLLOW THESE INSTRUCTIONS
CAREFULLY AND TO INSTALL THE INTERFACE AS DESCRIBED COULD
CAUSE HARM TO THE VEHICLE OR TO SAFETY SYSTEMS ON THE
VEHICLE. INTERFERENCE WITH CERTAIN SAFETY SYSTEMS COULD
CAUSE HARM TO PERSONS AS WELL. IF YOU HAVE ANY QUESTIONS
IN THIS REGARD PLEASE CALL THE HELP LINE OR THE METRA AT
1-800-221-0932 FOR ASSISTANCE.
• 10 pin harness with rca’s
• 16 pin to 30 pin GM harness
For amplified sound systems only
* READ IMPORTANT WARNING ON PAGE 1
BEFORE ATTEMPTING ANY INSTALLATION
The GMOS-LAN-02 is designed to retain the amplified
sound systems, retain Onstar, and retain the warning
chimes that are normally lost when the OEM radio is
removed. It also provides a 12 volt accessory output for
proper aftermarket radio operation.THE GMOS-LAN-02
also PROVIDES a MUTE, PARKING BRAKE, VSS OR
SPEED SENSE, AND A REVERSE OUTPUT TO MAKE
INSTALLING AN AFTERMARKET NAVIGATIONAL RADIO
• Silverado (new body) 2007-11
• Sierra (New body) 2007-11
• H2 2008-09 (Must have RPO code UQA)