Axxess GMRC-04 Non-Amplified Non-OnStar Interface Harness for 2005-2004 Chevrolet Equinox/Pontiac Torrent Designed for use in select 2000-2004 GM Vehicles without OnStar that use the "Door-n-Lock" Style harness Provides 12V Accessory output Retains warning chimes using on-board speaker Compatible with 2000-2004 Buick LeSabre, 2001-2003 Oldsmobile Aurora and 2000-2004 Pontiac Bonneville