Yamaha NEOS 50 YN50 (2002) [150/161] Signalling system

ELEC

SIGNALLING SYSTEM

7-20

3. Horn

• Disconnect the “Pink” cable from the horn

terminal.

• Connect a bridge cable  on the horn ter-

minal and earth the bridge cable.

• Place the main switch on “ON”.



2.The brake lights do not light.

1.Bulb and bulb holder.

• Check the bulb and bulb holder for conti-

nuity

SATISFIES

THE SPECIFIED

VALUE

4. Voltage

• Connect the pocket tester (20 V DC) on the

horn, on the “Pink” terminal.

THE HORN DOES

NOT SOUND.

Cable (+) of tester



Pink 

Cable (–) of tester



Earth of frame

• Place main switch on “ON”.

• Check if there is a voltage (12 V) in the

“Pink” cable on the horn terminal.

Adjust the horn.

CONTINUITY

2.Brake switch

• Disconnect the brake switch cables from

the installation.

• Check the switch component for continuity

between “Brown  and Green/Yellow ”.

OUTSIDE SPECIFIED VALUE

The horn is defective.

NO CONTINUITY

Change the bulb and/or bulb holder.

THE HORN SOUNDS

The horn is in good condition.