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Axxess GMOS-LAN-03

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Product Features:

  • Interface designed to allow the replacement of the OEM Radio with an aftermarket receiver in non-amplified 2006-2007 GM Vehicles that use the new GMLAN Data Bus system
  • Retains full functionality of the OnStar system
  • Retains warning and safety chimes with adjustable level output
  • Output for audible turn signal sound
  • Retention of the Retained Accessory Power (RAP) convenience features
  • Required outputs for the installation of a navigation radio included
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
  • Check the Product Instructions to see basic instructions and compatibility list for the Metra Axxess GMOS-LAN-03
  • Provides accessory (12-volt 10-amp)
  • Retains R.A.P. (Retained Accessory Power)
  • Used in non-amplified systems or when replacing amplified systems
  • ASWC harness included (ASWC-1 not included)
  • Retains OnStar/OE Bluetooth
  • Adjustable volume for chimes and OnStar
  • High level speaker input
  • USB updatable
  • Retains balance and fade

Compatibility List:

  • Chevrolet:
    • 2007 - 2010 Cobalt
    • 2006 - 2011 HHR
    • 2008 - 2012 Malibu
  • Pontiac:
    • 2007 - 2008 G5
    • 2009 - 2010 G6
    • 2006 - 2009 Solstice
  • Saturn:
    • 2006 - 2009 Aura
    • 2006 - 2009 Sky


Second Depth
The second depth is used only when the box is slanted or angled. This value is the top measurement and it is measured in inches.
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
The height of the item, measured from top to bottom, in inches.
The width of the item from left to right (side-to-side) measured in inches.
Color of handle.

Warranty and Return Policy

Parts Warranty Duration
90 days
Labor Warranty Duration
90 days
Warranty Provider

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Browse 3 questions and 4 answers
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where would I hookup the 3 wires that involve the navigation if the new radio I'm putting don't have one? 1 wire says vss or speed sense the other wire is for parking brake and last one says reverse I am lost about these 3 wires
Ben S
benjss_76 on Dec 9, 2015
Best Answer: Hello Ben,

If your install does NOT require those wires, simply cap them off, and leave them alone.
Reply · Report · Rick MStaff on Dec 10, 2015
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where or do I need to worry about the little pin plug with the adapter? (it looks like a headphone jack) sticking out of it is that part of the car chimes?
Ben S
benjss_76 on Dec 22, 2015
Best Answer: Hey Ben,

There isn't anything to 'worry' about. The jack is there for IF you use the Axxess ASWC-1 module in your install. The GMOS harness is prewired to accept that module, but if you don't have plans to use it, then simply leave it alone.
Reply · Report · Rick MStaff on Dec 22, 2015
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GMOS-LAN-03 I recently installed this on my Malibu 10 and there no plug in for my steering access do I have to buy another harness for the steering wheel it self to connect this, it's plug with the microphone cable?
eduardo a on Apr 15, 2015
Best Answer: Hello Eduardo,

As noted in your manual "ASWC harness included (ASWC not included)" . This implies you require the Axxess ASWC-1 Steering Wheel Control Module. Luckily you won't have any wiring to do, as the GMOS is pre-wired, but you still require the module:
Reply (1) · Report · Rick MStaff on Apr 15, 2015
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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Axxess GMOS-LAN-03