HORN, Horn Wiring Diagram for Pontiac Firebird 1990, List of elements for Horn Wiring Diagram for Pontiac Firebird 1990:, Acc fuse 20a, Convenience center (behind i/p, to right of steering column), Fuse block (left side of i/p), High-pitch horn (left front corner of engine compt), Horn relay, Horn switch, Hot at all times, Low-pitch horn (left front corner of engine compt), Slip ring, , , STARTING/CHARGING, POWER WINDOWS, WIPER/WASHER, TRUNK, TAILGATE, FUEL DOOR, RADIO, HORN, POWER DOOR LOCKS, POWER MIRRORS, COOLING FAN, POWER ANTENNA, DEFOGGERS, POWER SEATS, ,