HORN, Horn Wiring Diagram for Mitsubishi Sigma 1990, List of elements for Horn Wiring Diagram for Mitsubishi Sigma 1990:, (right side of engine compartment), 10a, Engine compartment relay box, Fuse 3, Horn switch, Hot in acc or on, Left horn, Right horn, , , COOLING FAN, POWER DOOR LOCKS, POWER ANTENNA, DEFOGGERS, POWER MIRRORS, POWER WINDOWS, HORN, RADIO, STARTING/CHARGING, WIPER/WASHER, ,