Yamaha TZR50 '03 Service Manual page 243

4. Horn
• Disconnect the pink cable from the horn terminal
• Connect a bridge cable
lead this to ground.
5. Voltage
• Connect the pocket tester (DC, 20V) to the pink horn
terminal.
(+) probe of tester
(-) probe of tester
• Check the voltage of the pink terminal.
Horn voltage:
12.0 V
Adjust or replace the horn.
SIGNALING SYSTEM
to the horn terminal and
THE HORN DOES NOT
SOUND
Pink terminal
To ground
MATCHES
SPECIFICATION
THE HORN SOUNDS
The horn is in good condition
DOES NOT MATCH
SPECIFICATION
Replace the horn.
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ELEC