Os2-Bose Onstar® Interface (For Gm Bose®-Equipped Vehicles): R

REPLACES FACTORY RADIO WHILE RETAINING ONSTAR® ; PLUG-&-PLAY, NO CUTTING OR ;SPLICING INTO FACTORY PLUG ; PACOS2/PACOS2 BOSE COMMUNICATE DIRECTLY WITH THE ONSTAR® MODULE TO PREVENT FALSE ;TRIGGERING & ELIMINATING UNWANTED AUDIO NOISE ; ON-BOARD AMPLIFIER WILL DRIVE TWO 4W SPEAKERS IN STEREO ; USE WITH THE EXISTING FACTORY SPEAKERS OR EXTERNAL SPEAKERS; FOR 2003-2004 CADILLAC ESCALADE, ESCALADE EXT, & ESCALADE ESV; 2003-2004 CHEVROLET AVALANCHE, SILVERADO, SUBURBAN & TAHOE; 2002-2004 TRAIL BLAZER WITH BOSE®; 2003-2004 GMC ENVOY, SIERRA, SIERRA DENALI, YUKON DENALI & YUKON SLT; 2003 HUMMER H2; 2004 HUMMER H2 (WILL NEED A CM1 TO RETAIN WARNING CHIMES)