The AUX1 and AUX2 inputs are connected to the TV. So once the TV is back in the MOST loop you enable AUX1 and 2 from the setup or green menu (not sure which menu) then they, and TV, will be selectable from that button 
The inputs you add to the red connector will look like this...
http://forum.a8parts.co.uk/showpost....8&postcount=25
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Matt
2004 A8 3.7q, 1998 A4 2.8q, 1994 Coupe 2.8q SORN,
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