HORN, Horn Wiring Diagram for Mercury Cougar XR7 1991, List of elements for Horn Wiring Diagram for Mercury Cougar XR7 1991:, , (behind left side of i/p) g202, Anti-theft module (left rear of trunk), Cruise control system, 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), Nca, Power distribution box (left fender apron, near battery), Speed control switch assembly, W/ anti- theft, , , HORN, POWER ANTENNA, POWER SEATS, DEFOGGERS, POWER MIRRORS, POWER DOOR LOCKS, POWER WINDOWS, RADIO, STARTING/CHARGING, TRUNK, TAILGATE, FUEL DOOR, WIPER/WASHER, ,