Yamaha 2004 Rhino 660 YXR660FAS Service Manual page 393

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3. Voltage
• Connect the pocket tester (DC 20 V) to the
indicator light assembly 1 coupler.
Tester (+) lead → Brown terminal 1
Tester (–) lead → White/Blue terminal 2
• Turn the main switch to "ON".
• Check the voltage (12 V).
4. Diode 2
• Remove the diode from the coupler.
• Connect the pocket tester (Ω × 1) to the
diode terminals as shown.
• Check the diode for continuity as follows.
Tester (+) lead →
Blue/Black terminal 1
Tester (–) lead →
White/Blue terminal 2
Tester (+) lead →
White/Blue terminal 2
Tester (–) lead →
Blue/Black terminal 1
This circuit is not faulty.
SIGNALING SYSTEM
MEETS
SPECIFICATION
Continu-
ity
No conti-
nuity
CORRECT
9 - 41
W/Y
B/G
W/L
OUT OF SPECIFICATION
The wiring circuit from the main switch to the
bulb socket connector is faulty, repair it.
1
2
NOTE:
When you switch the tester's positive and neg-
ative probes, the readings in the left chart will
be reversed.
INCORRECT
Replace the diode 2.
– +
ELEC
Br Br W/Y
Br Br B/G
Br Br W/L
1 2
L/B
W/L