Yamaha TZR50 '03 Service Manual page 233

4. Voltage
• Place the main switch in the "ON" position
• Connect the pocket tester (DC, 20 V) to the coupler
of the indicator relay.
(+) probe of tester
(-) probe of tester
• Check the voltage of the indicator relay
Voltage of the indicator relay:
12.0 V
Replace the indicator relay
2. The brake light does not come on when the front
or rear brake is activated.
1. Tail light/brake light bulb
• Remove the bulb of the tail light / brake light.
• Connect the pocket tester (Ω x 1) to the bulb
(+) probe of tester
(-) probe of tester
(+) probe of tester
(-) probe of tester
SIGNALING SYSTEM
brown terminal
to ground
MATCHES THE
SPECIFICATION
Terminal
Terminal
Terminal
Terminal
DOES NOT MATCH THE
SPECIFICATION
5. Cable connections
Check the connections of the
whole light system.
See the "ELECTRICAL DIAGRAM"
section
8-34
ELEC