HORN, Horn Wiring Diagram for Nissan Sentra XE 1990, List of elements for Horn Wiring Diagram for Nissan Sentra XE 1990:, Fuse block, Fuse r 10a, Horn, Horn relay (on right inner fender panel), Horn switch, Hot at all times, Nca, , , DEFOGGERS, POWER DOOR LOCKS, POWER WINDOWS, COOLING FAN, HORN, STARTING/CHARGING, RADIO, WIPER/WASHER, ,