Yamaha T135SE Service Manual page 329

9 Set the main switch to "ON".
9 Set the turn signal switch to " 4 " or " 6 ".
9 Measure 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).
9 Is the voltage within specification?
YES
This circuit is OK.
SIGNALING SYSTEM
NO
The wiring circuit
from the turn signal
switch to the turn
signal light coupler
is faulty and must
be repaired.
8-37
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EAS00801
4. The gear position indicator lights fail to
come on.
1. Gear position indicator light bulb and socket
9 Check the gear position indicator light bulb
and socket for continuity.
Refer to "CHECKING THE BULBS AND
BULB SOCKETS".
9 Are the gear position indicator light bulb and
socket OK?
YES
2. Neutral switch
9 Check the neutral switch for continuity.
Refer to "CHECKING THE SWITCHES".
9 Is the neutral switch OK?
YES
ELEC
NO
Replace the gear
position indicator
light bulb, socket or
both.
NO
Replace the neutral
switch.