Horn circuit for Lexus GS II (1997-2000)

BLK WIRE BODY ECU 1 (IN PASSENGER SIDE JUNCTION BLOCK) COMBINATION SWITCH ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) ENGINE ROOM R/B 2 (ON LEFT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) GRN WIRE GRN/BLK WIRE HORN FUSE HORN RELAY HORN SWITCH HOT AT ALL TIMES J/C 18 (RIGHT KICK PANEL) LEFT HORN RIGHT HORN