Yamaha FZ09E Service Manual page 451

• Faulty rectifier/ regulator
• Improperly grounded circuit
• Faulty main switch
• Faulty dimmer switch
• Headlight bulb life expired
Tail/brake light does not come on
• Too many electrical accessories
• Incorrect connection
Turn s ignal does not come on
• Faulty turn signal switch
• Faulty turn signal/hazard relay
• Burnt-out turn signal bulb
• Incorrect connection
• Damaged or faulty wire harness
• Improperly grounded circuit
• Faulty battery
• Blown, damaged or incorrect fuse
Turn signal blinks slowly
• Faulty turn signal/hazard relay
• Faulty main switch
• Faulty turn signal switch
• Incorrect tum signal bulb
Turn signal remai ns lit
• Faulty turn signal/hazard relay
• Burnt-out turn signal bulb
Turn s ignal blinks quickly
• Incorrect tum signal bulb
• Faulty turn signal/hazard relay
• Burnt-out turn signal bulb
Horn does not sound
• Damaged or faulty horn
• Faulty main switch
• Faulty horn switch
• Faulty battery
• Blown, damaged or incorrect fuse
• Faulty wire harness
TROUBLESHOOTING
9-4