20. LIGHTS/METERS/SWITCHES DOWNTOWN 125i HORN INSPECTION Remove the front cover (refer to the "FRAME COVERS (2) REMOVAL/INSTALLATION" section in the chapter 2) Disconnect the horn connectors (1) from the horn. Connect a 12 V battery to the horn terminals. The horn is normal if it sounds when the 12 V (1) battery is connected across the horn terminals. REMOVAL/INSTALLATION Disconnect the horn connectors from the horn. Remove the bolt (2) and horn. Installation is in the reverse order of removal. 20-13