Yamaha YFM250XL(C) Service Manual page 302

SIGNAL SYSTEM CHECK
EB806024
1.If the neutral indicator light fails to come
on:
1.Bulb and bulb socket
Check the bulb and bulb socket for conti-
nuity.
2.Neutral switch
Refer to "SWITCH INSPECTION".
3.Voltage
Connect the pocket tester (DC 20 V) to
the bulb socket leads.
Tester (+) lead → Brown terminal 1
Tester (–) lead → Sky blue terminal 2
Turn the main switch to "ON".
Check the voltage (12 V).
This circuit is not faulty.
8
CONTINUITY
CONTINUITY
MEETS
SPECIFICATION
8 - 32
SIGNAL SYSTEM
NO CONTINUITY
Replace the bulb and/or bulb socket.
NO CONTINUITY
Replace the neutral switch.
Br
Sb
OUT OF SPECIFICATION
The wiring circuit from the main switch to
the bulb socket connector is faulty, repair
it.
– +
ELEC
1
Br
Sb
2