Analysis Of Electric Horn - ZONGSHEN ZS250GY-3 Service Manual

Turn on ignition switch,turn on/off turning light switch
and check the turning light.
Turning light cannot illuminate or
illuminate dimly.
The power of storage battery is
not enough or the circuit between
storage battery and ignition switch
has open circuit or short circuit.
When rubbing,there is spark
or the voltage is normal.
Connect the power lead of electric horn.
Connect the non-power connection of
electric horn(connection of button)with
the cathode wire.
After connection,the electric horn
can make sound.
The inner connecting point of horn
has bad connection or the lead
between electric horn and button
has open circuit.

2.9 Analysis of electric horn

E l e c t r i c h o r n c a n n o t
make sound.
T u r n i n g l i g h t c a n
illuminate brightly.
Power supply of storage
battery is normal.
Remove the power lead from the power
connection of electric horn,then rub the
power lead with cathode wire.Check
the spark or measure the voltage with
multimeter.
After connection,the electric horn
still cannot make sound.
Adjust the volume and tone of
electric horn.
After adjustment,electric horn
still cannot make sound.
Electric horn is
damaged.
When rubbing,there is no spark or
the voltage is not normal.
The power wire between
ignition switch and electric
horn has open circuit.
After adjustment,the horn
sound is normal.
Electric horn is adjusted
unproperly.
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