Vehicle Fit Guide

Select your particular vehicle by using these series of options. We will then provide a list of all which fit your vehicle.

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Vehicle Fit Guide

Find Metra parts specifically for your car.


Stock No. GMOS-014

GM 2000-2013 Class-2 Data Interface


The GMOS-014 is designed to retain Onstar – Rear seat entertainment (RSE) – SAT radio – and retain the warning chimes that are normally lost when the OEM radio is removed. It also provides a 12 volt accessory output for aftermarket radio operation.

  • Provides accessory (12 volt 10 amp)
  • Retains R.A.P. (Retained Accessory Power)
  • Can be used in non-amplified or analog-digital amplified models
  • Retains chimes
  • Provides NAV outputs (Parking Brake – Reverse – Mute – Speed Sense)
  • Pre-wired ASWC-1 harness included (ASWC-1 sold separately)
  • Retains OnStar – OE Bluetooth
  • Adjustable volume for chimes and OnStar
  • High level speaker input
  • USB updatable
  • Retains factory rear seat entertainment and satellite radio (in select vehicles)

Century 2004-2005
Lacrosse 2005-2009
Rainier 2005-2007
Rainier* 2004-2004
Regal 2004
Rendezvous 2002-2007
Terraza 2005-2007

Escalade ** 2003-2006
Escalade ESV ** 2003-2006
Escalade EXT ** 2003-2006

Avalanche* 2003-2006
Cavalier 2000-2005
Colorado 2004-2012
Corvette 2005-2013
Express 2003-2007
Impala 2000-2005
Kodiak 2003-2009
Malibu 2001-2003
Malibu Classic 2004-2005
Monte Carlo 2000-2005
Silverado Classic* 2007
Silverado* 2003-2006
SSR* 2003-2006
Suburban* 2003-2006
Tahoe* 2003-2006
Trailblaze 2007-2009
Trailblazer* 2002-2006
Uplander 2005-2008

Canyon 2004-2012
Envoy 2007-2009
Envoy* 2002-2006
Savanna 2003-2007
Sierra Classic* 2007
Sierra* 2003-2006
TopKick 2005-2009
Yukon* 2003-2006

H2** 2003-2007
H3/H3T 2006-2010

Ascender 2003-2008
H Series 2003-2008
I Series pickups 2006-2008

Alero 2001-2004
Bravada* 2002-2004
Intrigue 2002

Aztec 2001-2005
Grand Am 2001-2005
Grand Prix 2004-2008
Montana SV6 2005-2008
Sunfire 2000-2005

9-7X 2005-2009

Relay 2005-2007

*NOTES* *These vehicles have a digital amplifier option. Please refer to the Service Parts Identification sticker located in the glove box (for all models except for the Buick Regal which is on the spare tire cover). If the codes UQA or Y91 are present then you have a digital amplifier.

**These vehicles come standard with a digital amplifier.

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