Hi all, I know it’s a long shot, but, does anyone know why this has been bodged like me this?

To me it looks like someone has taken the amp out, do you have an aftermarket head unit...?? Pete
I now have permission from the boss to use Y.O.L.O. Enjoy life
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2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand Sold
2002 L322 Vogue 4.4 V8 Epson Green (Fatty Offroader) Sold
-Click for Project Fatty off roader-

The two black wires go through the rear light unit and down behind the bumper.
I've noticed the parking aid module is missing
No standard head unit
I disconnected the black wire thinking it was for the reverse camera as this still works, but, it worked when I disconnected the black wire