HORN, Horn Wiring Diagram for Toyota 4Runner SR5 1990, List of elements for Horn Wiring Diagram for Toyota 4Runner SR5 1990:, G200 (left kick panel), Haz-horn fuse 15a, Horn (right front side of engine compartment), Horn switch (part of combination switch), Hot at all times, R/b 2 (right side of engine compartment), , , DEFOGGERS, HORN, POWER ANTENNA, POWER DOOR LOCKS, RADIO, POWER WINDOWS, STARTING/CHARGING, POWER MIRRORS, WIPER/WASHER, ,