Yamaha T135SE Service Manual page 328

4. Voltage
9Connect the pocket tester (DC 20 V) to the
turn signal relay coupler as shown.
Positive tester probe → → brown/white 1 1
Negative tester probe → → ground
9Set the main switch to "ON".
9Measure
the voltage
brown/white lead terminal 1 at the turn sig-
nal relay coupler.
9Is the voltage within specification?
YES
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Yamaha T135 Service Manual
1 Br/W
Br
(DC 12 V) on
NO
The turn signal relay
is faulty and must be
replaced.
SIGNALING SYSTEM
5. Voltage
9Connect the pocket tester (DC 20 V) to the
turn signal light coupler (wire harness side)
as shown.
Turn signal light
å å Rear
∫ ∫ Front
Left turn signal light
Positive tester probe → → chocolate 1 1
Negative tester probe → → ground
Right turn signal light
Positive tester probe → → dark green 2 2
Negative tester probe → → ground
ç ç Turn signal indicator light
Positive tester probe → → chocolate 3 3
Negative tester probe → → ground
Positive tester probe → → dark green 4 4
Negative tester probe → → ground
A
B
C
8-36
ELEC
B L L B
Y G/Y
Ch Dg Dg Ch
2 1
[L]
L L
Ch Ch
B B
1
[R]
L L
Dg Dg
B B
2
3
4
Br L L Br
Dg Dg
Ch Ch
G B B G
Sb Y/W Y/W Sb
G/W
G/W
W W
P L/W L/W P