Trailer tow circuit for Audi Q5 I (2008-2012)

2 PIN CONNECTOR (NOT USED) BLK WIRE BLK/RED WIRE BLU WIRE BRAKE LIGHT SWITCH BRN WIRE CLIMATRONIC CONTROL MODULE COMFORT SYSTEM CONTROL MODULE (LEFT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM FUSE 4 FUSE 2 FUSE CARRIER 2 FUSE 3 FUSE CARRIER 4 FUSE 12 HOT AT ALL TIMES HOT AT ALL TIMES TRAILER FUSE HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED MONOTRONIC ENGINE CONTROL MODULE (ECM) POWER SUPPLY RELAY (RELAY FUSE B) ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RELAY/FUSE PANEL SF (RIGHT SIDE OF LUGGAGE COMPT) TOWING RECOGNITION CONTROL MODULE TRAILER CONNECTOR