Yamaha YP250 5GM2-AE1 2000 Service Manual page 89

YP805023
4. If the auxiliary light fails to come on.
1. Bulb and bulb socket
Refer to "CHECKING SWITCHES" section.
2. Voltage
S Connect the pocket tester (DC20 V) to the
bulb socket connector.
Tester (+) lead ! Blue/Red terminal
Tester (–) lead ! Black terminal
S Turn the main switch to on.
S Turn the lights switch to on or pilot position.
S Check the voltage (12 V) on the bulb socket
connector.
This circuit is not faulty.
CONTINUITY
1
2
MEETS
SPECIFICATION
LIGHTING SYSTEM
NO CONTINUITY
Replace the bulb and/or bulb socket.
OUT OF SPECIFICATION
The wiring circuit from main switch to bulb
connector is faulty. Repair.
79
ELEC