Yamaha YP250 5GM2-AE1 2000 Service Manual page 85

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YP******
5. Dimmer switch/Pass switch
Refer to "CHECKING SWITCHES" section.
YP******
6. Seat switch
Refer to "CHECKING SWITCHES" section.
YP******
7. Wiring connection
Check the connections of the entire lighting
system.
Refer to "WIRING DIAGRAM".
Check the condition of each of the lighting
system's circuits.
Refer to "LIGHTING SYSTEM CHECK"
YP805020
LIGHTING SYSTEM CHECK
1. If the headlight and the high beam indicator light fail to come on.
1. Bulb and bulb socket
Refer to "CHECKING SWITCHES" section.
2. Voltage
Connect the pocket tester (DC20 V) to the
headlight and high beam indicator light cou-
plers.
A
When the dimmer switch is on low beam.
When dimmer switch is on high beam or
B
the Pass switch is pushed.
Headlight:
Tester (+) lead ! Green
lead
Tester negative (–) lead ! Black
lead
High beam indicator light:
Tester (+) lead ! Yellow
Tester (–) lead ! Black
CONTINUITY
or Yellow
1
3
lead
4
lead
5
:
LIGHTING SYSTEM
NO CONTINUITY
Replace the left handlebar switch.
NO CONTINUITY
Replace the handlebar switch.
POOR CONNECTIONS
Correct.
NO CONTINUITY
Replace the bulb and/or bulb socket.
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