Yamaha T135SE Service Manual page 329

9Set the main switch to "ON".
9Set the turn signal switch to "4" or "6".
9Measure the voltage (DC 12 V) of the
chocolate 1 or dark green lead terminal 2
at the turn signal light coupler (wire har-
ness side) and chocolate 3 or dark green
4 at the turn signal indicator light coupler
(wire harness side).
9Is the voltage within specification?
YES
This circuit is OK.
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Yamaha T135 Service Manual
NO
The wiring circuit
from the turn signal
switch to the turn
signal light coupler
is faulty and must
be repaired.
8-37
SIGNALING SYSTEM
EAS00801
4. The gear position indicator lights fail to
come on.
1. Gear position indicator light bulb and socket
9Check the gear position indicator light bulb
and socket for continuity.
Refer to "CHECKING THE BULBS AND
BULB SOCKETS".
9Are the gear position indicator light bulb and
socket OK?
YES
2. Neutral switch
9Check the neutral switch for continuity.
Refer to "CHECKING THE SWITCHES".
9Is the neutral switch OK?
YES
ELEC
NO
Replace the gear
position indicator
light bulb, socket or
both.
NO
Replace the neutral
switch.