I won't be much help but my car has miscelaneous coax and other un-connected cables there in the area you are showing. The changer is actually connected to what looks like a DIN cable that goes back there and cross-connects to simething in the bundle you're working with...

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-Evan


Benz Fleet:
1968 UNIMOG 404.114
1998 E300
2008 E63


Non-Benz Fleet:
1992 Aerostar
1993 MR2
2000 F250