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Yamaha Scorpio - Lighting System Check

Yamaha Scorpio
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7 - 31
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ELEC
LIGHTING SYSTEM
LIGHTING SYSTEM CHECK
1.Headlight and high beam indicator light do not come on.
CONTINUITY
1.Bulb and bulb socket
Check the bulb and bulb socket for continu-
ity.
Refer to the CHECKING OF BULBS sec-
tion.
NO CONTINUITY
Bulb and/or bulb socket are faulty, replace.
MEETS SPECIFI-
CATION (12 V)
2.Voltage
Connect the pocket tester (DC 20 V) to the
headlight and high beam indicator light
leads.
Headlight:
Tester (+) lead
Yellow
2
or Green
1
lead
Tester () lead
Black
3
lead
High beam indicator light:
Tester (+) lead
Yellow
4
lead
Tester () lead
Black
5
terminal
È
When dimmer switch is LO position.
É
When dimmer switch is HI position.
Start the engine.
Turn the lights switch to ON.
Turn the dimmer switch to LO or HI posi-
tion.
Check for voltage (12 V) on the Green
and Yellow lead at bulb socket connector.
This circuit is good.
Headlight
High beam indicator light
OUT OF SPECIFICATION
Wiring circuit from main switch to bulb socket
connector is faulty, repair.

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