Horn circuit for Lexus IS II (2005-2008)

BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 2 (ON LEFT SIDE OF ENGINE COMPARTMENT) FRONT CONTROLLER GRY WIRE HIGH HORN HORN HORN FUSE HORN RELAY HORN SWITCH HOT AT ALL TIMES LEFT COWL SIDE J/B (AT LEFT END OF DASH) LOW HORN POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE SPIRAL CABLE STEERING PAD SWITCH WHT WIRE WINDSHIELD WIPER SWITCH