< Back WM-GM11-SWC
This interface will provide and retain 12 volt accessory power, retain chimes, retain steering wheel audio controls and retain balance and fade. It works for non-amplified models, or models with an analog activated amplifier.
  • 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