Faulty Lighting Or Signaling System - Yamaha YFM70RY Service Manual

TROUBLESHOOTING
EAS28710

FAULTY LIGHTING OR SIGNALING SYSTEM

Headlight does not come on
• Wrong headlight bulb
• Too many electrical accessories
• Hard charging
• Incorrect connection
• Improperly grounded circuit
• Poor contacts (main or light switch)
• Burnt-out headlight bulb
Headlight bulb burnt out
• Wrong headlight bulb
• Faulty battery
• Faulty rectifier/regulator
• Improperly grounded circuit
• Faulty main switch
• Faulty light switch
• Headlight bulb life expired
Tail/brake light does not come on
• Wrong tail/brake light
• Faulty battery
• Too many electrical accessories
• Incorrectly adjusted rear brake light switch
• Incorrect connection
• Broken tail/brake light LED
Tail/brake light broken
• Wrong tail/brake light
• Faulty battery
• Tail/brake light LED life expired
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