What causes no sound from either the radio or ONSTAR?
How to install aftermarket stereo with a stock Bose sound system Tahoe, Yukon, Suburban, Escalade - YouTube
2007-2014 Chevrolet Tahoe/Suburban, and GMC Yukon/Yukon XL
2003 Chevrolet Tahoe Bluetooth RADIO JVC KW-XR810 Pac-Audio Bose - YouTube
Amazon.com: ASC Audio Premuim Car Stereo Radio Wire Harness and Antenna Adapter for Some GM Chevrolet 03-06 Silverado, Tahoe, Suburban, Sierra etc.- Built in 12 Volt Power Wire - Works w/wo Bose/Amp-