Yamaha Grizzly550 User Manual page 347

9. Check the rear brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 9-79.
OK ↓
10.Check the gear position switch.
Refer to "CHECKING THE
SWITCHES" on page 9-79.
OK ↓
11.Check the entire starting system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 9-5.
OK ↓
Replace the diode 1 or ECU.
ELECTRIC STARTING SYSTEM
NG →
Replace the rear brake light switch.
NG →
Replace the gear position switch.
NG →
Properly connect or repair the starting sys-
tem wiring.
9-10
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