HORN, Horn Wiring Diagram for Ford Aerostar 1991, List of elements for Horn Wiring Diagram for Ford Aerostar 1991:, , (not used), 20a, Fuse 16, Fuse panel, G206 (behind center of i/p, left side of ashtray), High pitch horn (behind right radiator support), Horn relay (behind left side of i/p, on relay bracket), Horn switch, Hot at all times, Low pitch horn (behind right radiator support), Nca, Steering wheel control switch, W/ cruise control, W/o cruise control, , , HORN, DEFOGGERS, POWER DOOR LOCKS, POWER MIRRORS, STARTING/CHARGING, POWER WINDOWS, POWER SEATS, RADIO, WIPER/WASHER, ,