The problem is I miss the functionally of only running 2 channels as input the "Universal Input" into the Kenwood 600.6DSP. The Tahoe comes with a speed compensated volume and having all those extra channels.
Now my question would be are you able to use the extension harness the Kenwood XR600.6DSP and splice it into the extension harness for the input of the Kenwood amp using either what comes from wires in or out of the BOSE amp, and even use the wires that comes in and out from the Maestro RR radio replacement



I'm hoping it'll be plug and play, but I haven't found too many wiring diagrams online because Maestro AR hasn't posted such a thing. If wiring is needing to be sliced & soldered, that is fine too.
I have the Bose system without the center speaker, and its a 2007 Tahoe so its not advanced...I also have pictures of every wire in and out of the amp, head unit, and anything else imaginable.
If anyone has any input, please let me know. Thank you so much!