19. SWITCHES/HORN/FUELUNIT/THERMOSTATICSWITCH /TEMPERATUREGAUGE/INSTRUMENTS/LIGHTS PEOPLE 250 Horn HORN INSPECTION Remove the front cover. ( 2-5) Disconnect the horn wire couplers. The horn is normal if it sounds when a 12V battery is connected across the horn wire terminals. Fuel Unit FUEL UNIT FUEL UNIT INSPECTION Remove the fuel unit. Disconnect the fuel unit wire connectors. Measure the resistance between the fuel unit wire terminals with the float at upper and lower positions. Wire Terminals Upper Lower Y/WG 9.19.3 9596 Electric tester: YF-3501 Fuel Unit Fuel Full FUEL METER INSPECTION Connect the fuel unit wire connectors and turn the ignition switch "ON". Before performing the following test, operate the turn signals to determine that the battery circuit is normal. Check the fuel meter for correct indication by moving the fuel unit float up and down. Upper Float Position Display Upper Much (Full) Lower Less (Empty) Wire Terminals Display Free From Much to Less Apply From Less to Much The fuel meter is normal if it operates as above indicated. If not, check for loosely tightened nuts, poorly connected terminals or shorted wires. Lower . Fuel Empty 19-5