Yamaha TZR50 '03 Service Manual page 220

(+) probe of tester
(-) probe of tester
• Place the lights switch "LIGHTS" in positions "POS"
and "OFF", successively.
• Check to see if the continuity is correct in the lights
switch.
Position of
the switch
Activated
Deactivated
: Continuity
• Check (main beam):
(+) probe of tester
(-) probe of tester
(+) probe of tester
(-) probe of tester
• Place the lights switch "LIGHTS" in positions "ON"
and "OFF", successively.
• Check to see if the continuity is correct in the lights
switch.
Position of
the switch
Activated
Deactivated
: Continuity
*
Red / yellow terminal
Blue terminal
In good In bad
condition condition
X
X
X: no continuity
Red / yellow terminal
Blue terminal
Red / yellow terminal
Blue/black terminal
In good In bad
condition condition
X
X
X: no continuity
IN GOOD CONDITION
LIGHTING SYSTEM
X
X
X
X
IN BAD CONDITION
Replace the light switch "LIGHTS"
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ELEC