< Back OY-INGM1

Metra OY-INGM1 aftermarket radio wire harness interface for select GM models. When replacing the OEM radio with an after market radio some feature are lost, with this interface most of those features are retained. This interface will provide and retain 12 volt accessory power, provide navigation outputs, retain chimes, retain steering wheel controls and retain balance and fade. This interface will work in non-amplified models.

  • Provides accessory power (12-volt 10-amp)
  • Retains R.A.P. (retained accessory power)
  • Provides wires for multimedia radios (parking brake, reverse, speed sense)
  • Retains chimes
  • Retains audio controls on the steering wheel
  • Retains balance and fade
  • Micro-B USB updatable

For non-amplified models, or models with an analog activated amplifier.

SWC Programming Sequence
(1) Press and hold (2) Tap

BUICK
Century (1) 2004-2005
LaCrosse (1) 2005-2009
Rainier (2) 2004
Rainier (2) 2005-2007
Regal (1) 2004
Rendezvous (1) 2002-2007
Terraza (1) 2005-2007

CADILLAC
Escalade, Escalade ESV & EXT (2) 2003-2006

CHEVROLET
Avalanche (2) 2003-2006
Cavalier (2) 2000-2005
Colorado (2) 2004-2012
Corvette (1) 2005-2013
Express (2) 2003-2007
Impala (1) 2000-2005
Kodiak C4500-C8500 (2) 2003-2009
Malibu (2) 2001-2003
Malibu Classic (2) 2004-2005
Monte Carlo (1) 2000-2005
Silverado (2) 2003-2006
Silverado Classic (2) 2007
SSR (2) 2003-2006
Suburban (2) 2003-2006
Tahoe (2) 2003-2006
Trailblazer (2) 2002-2004
Trailblazer (2) 2005-2009
Uplander (1) 2005-2008

GMC
Canyon (2) 2004-2012
Envoy (2) 2002-2004
Envoy (2) 2005-2009
Savana (2) 2003-2007
Sierra (2) 2003-2006
Sierra Classic (2) 2007
TopKick C4500-C8500 (2) 2005-2009
Yukon / Yukon XL (2) 2003-2006

HUMMER
H2 (2) 2003-2007
H3/H3t (2) 2006-2010

ISUZU
Ascender (2) 2003-2008
H-Series (2) 2003-2008
I-Series (2) 2006-2008

OLDSMOBILE
Alero (1) 2001-2004
Bravada (2) 2002-2004
Intrigue (1) 2002

PONTIAC
Aztec (1) 2001-2005
Grand Am (1) 2001-2005
Grand Prix (1) 2004-2008
Montana SV6 (1) 2005-2006
Sunfire (2) 2000-2005

SAAB
9-7× (2) 2005-2009

SATURN
Relay (1) 2005-2007

Wiring diagram for adding an amplifier & speakers to your ride