Car Wiring Diagrams for Horn circuit for Lexus GS III facelift (2007-2011)

8 HO SPIRAL CABLE (IN STEERING COLUMN) BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ECU-IG LH FUSE ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FRONT CONTROLLER GRN WIRE GRY WIRE HIGH HORN HORN FUSE HORN RELAY HORN SWITCH HOT AT ALL TIMES HOT AT ALL TIMES MBX-B FUSE HOT IN ON OR START LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LOW HORN ORG/ WIRE RED WIRE WHT WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE