"Example 5: 2009 Cadillac Escalade w/Bose This system has 7 channels from the HU to the amplifier: F L/R, R L/R, Sub, Center, and Prompt. The OE amplifier mixes the voice prompts into the output signal (there is no dedicated prompt .... I realize the only way I'm going to get what I'm looking for is to remove the factory radio completely, which would mean Nav, rear camera, bluetooth, onstar, etc... I would have to redo all of it, and I just don't have the time right now. ...
