new pulsar 125 Workshop-manual : Page 166

          18. LIGHTS/INSTRUMENTS/SWITCHES/HORN/
    FUEL UNIT                                                              Pulsar   CK   125


 STARTER BUTTON
 Remove the headlight. (Refer to 18-1.)
 Disconnect the starter button black and
 yellow/red wires.
 Check for continuity between the black and
 yellow/red wires.
            Color
 Position           Black     Yellow/Red
    FREE
    PUSH                           
                                                 Yellow/Red Black          Starter Button


 HORN BUTTON
 Remove the headlight. (Refer to 18-1.)
 Disconnect the horn button black and light
 green wires.
 Check for continuity between the black and
 light green wires.
            Color
 Position           Black     Light Green
    FREE
    PUSH                           
                                                           Light Green       Horn Button
                                                  Black



 HORN
 Disconnect the horn wire coupler.
 The horn is normal if it sounds when a 12V
 battery is connected across the horn wire
 terminals. Replace the horn if it does not
 sound.




 FUEL GAUGE
 Remove the seat. (Refer to 4-8.)
 Disconnect the fuel gauge and fuel unit wire
 couplers.
 Connect the fuel gauge green wire with the
 yellow/white wire. Turn the ignition switch
 ON and the fuel gauge is normal if its needle
 moves from E to F and then moves from F to
 E when the ignition switch is turned OFF.


                                                 Fuel Gauge Wire Coupler
                                                                                         18-4