Trailer tow circuit for Land Rover Range Rover L322 (2002-2005)

BLK WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLU WIRE BLU/BRN WIRE BLU/BRN/YEL WIRE BLU/GRN WIRE BRN WIRE ELECTRIC BRAKE TRAILER MODULE EXTERIOR LAMPS CIRCUIT FUSE 1 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/PPL WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN ON LIGHTING MODULE SWITCH MAXI FUSE 17 ORG/ WIRE PPL REAR FUSE BOX RED WIRE RED/WHT WIRE TRAILER ECU TRAILER PICK-UP TRAILER SOCKET RELAY WHT WIRE YEL WIRE