HORN, Horn Wiring Diagram for Mercury Cougar XR7 1990, List of elements for Horn Wiring Diagram for Mercury Cougar XR7 1990:, , Anti-theft module (left rear of trunk), Cruise control system, Electronic engine control module (behind right cowl panel), High pitch horn (below left front fender), Horn relay, Horn switch, Horn/haz fuse 20a, Hot at all times, Low pitch horn (below left front fender), Power distribution box (left fender apron, near battery), Speed control switch assembly, W/ anti- theft, , , POWER DOOR LOCKS, HORN, POWER MIRRORS, POWER ANTENNA, POWER WINDOWS, DEFOGGERS, TRUNK, TAILGATE, FUEL DOOR, POWER SEATS, STARTING/CHARGING, RADIO, WIPER/WASHER, ,