Faulty Signal And Lighting System; Headlight Dark; Bulb Burnt Out; Flasher Does Not Blink - Yamaha YP250 Service Manual

YP909000

FAULTY SIGNAL AND LIGHTING SYSTEM

HEADLIGHT DARK

D Improper bulb
D Too many electric accesories
D Hard charging
D Faulty rectifier/regulator
D Faulty battery
D Improperly connected coupler, connector,
wireharness
D Improperly grounded
D Faulty main switch or Lights (dimmer) switch
D Bulb life expired

BULB BURNT OUT

D Improper bulb
D Faulty battery
D Faulty rectifier/regulator
D Improperly grounded
D Faulty main switch
D Bulb life expired
FLASHER DOES NOT BLILNK
D Improperly grounded
D Insufficient battery capacity
D Faulty fuse
D Faulty turn switch
D Faulty flasher relay
D Broken wireharness, incorrect coupler con-
nection
D Bulb burnt out

FLASHER KEEPS ON

D Faulty flasher relay
D Insufficient battery capacity
(nearly discharged)
D Bulb burnt out (front or rear)
FAULTY SIGNAL AND LIGHTING SYSTEM

FLASHER BLINKS SLOWER

D Faulty flasher relay
D Insufficient battery capacity
(nearly discharged)
D Improper bulb
D Faulty main and/or turn switch

FLASHER BLINKS QUICKER

D Improper bulb
D Faulty flasher relay

HORN DOES NOT SOUND

D Faulty battery
D Faulty fuse
D Faulty main and/or horn switch
D Improper horn adjustment
D Faulty horn (burnt coil, connector)
D Broken wireharness
9-8
TRBL
SHTG