GM ONSTAR INTERFACE
©Copyright 2004 Metra Electronics Corporation
1-800-221-0932
www.metraonline.com
CADILLAC
Escalade 1999-2002
CHEVROLET
Avalanche 2001-2002
Silverado 1999-2002
Suburban 1999-2002
Tahoe 1999-2002
GMC
Sierra 1999-2002
Yukon 1999-2002
Yukon XL 2001-2002
GMOS-11
INSTALLATION INSTRUCTIONS
* Retains ONSTAR system when installing an aftermarket radio.
* READ IMPORTANT WARNING INSIDE
BEFORE ATTEMPTING ANY INSTALLATION
©Copyright 2004 Metra Electronics Corporation
1-800-221-0932
www.metraonline.com
* IMPORTANT WARNING
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 INSTALLATION YOU SHOULD
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.
GMOS-11
GMOS-11
REV. 03/17/06
INST-GMOS11
INTERFACE COMPONENTS
APPLICATIONS
• Cutting Tool • Tape • Crimping Tool • Connectors
TOOLS REQUIRED FOR INSTALLATION
• GMOS-11 Onstar Interface
• 10 pin harness w/stripped leads
• 12 pin to 21 pin GM and 9 pin Onstar harness
