Yamaha YBR125ED 2005 Service Manual page 298

EAS00800
4. The neutral indicator light fails to come on.
1. Neutral indicator light bulb and socket
• Check the neutral indicator light bulb and
socket for continuity.
Refer to "CHECKING THE BULBS AND
BULB SOCKETS".
• Are the neutral indicator light bulb and
socket OK?
YES
2. Neutral switch
• Check the neutral switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the neutral switch OK?
YES
NO
Replace the neutral
indicator light bulb,
socket or both.
NO
Replace the neutral
switch.
SIGNALING SYSTEM
3. Voltage
• Connect the pocket tester (DC 20 V) to the
meter assembly coupler (wire harness
side) as shown.
Positive tester probe → brown 1
Negative tester probe → sky blue 2
• Set the main switch to "ON".
• Measure the voltage (DC 12 V).
• Is the voltage within specification?
This circuit is OK.
7 - 39
ELEC
2
G G
Sb Sb
B B
Br L L Br
1
YES
The wiring
from the main switch
to the meter assem-
bly coupler is faulty
and must
repaired.
– +
NO
circuit
be