Yamaha YQ50 Service Manual page 174

Br
3. Horn
• Disconnect the "Pink" lead at the horn terminal.
• Ground the horn terminal Q with a jumper
lead.
• Set the main switch to ON.
Br
4. Voltage
• Connect the pocket tester (DC20V) to the
"Pink" lead.
Pocket tester (+) lead © Pink Q
Pocket tester (-) lead © Ground
• Turn the main switch to ON.
• Press the "HORN" switch.
• Check the voltage (12V) between "Pink" and
ground.
Adjust the horn.
P
MEETS
SPECIFICATION
HORN DOES
NOT SOUND
MEETS
SPECIFICATION
8-24
SIGNAL SYSTEM
DOES NOT MEET SPECIFICATION
Defect in the wire harness between the main
switch and the horn © Repair.
HORN SOUNDS
Horn in good condition.
DOES NOT MEET SPECIFICATION
Horn is defect © Replace.
ELEC
Br P