Troubleshooting - Yamaha Grizzly550 User Manual

EAS27260

TROUBLESHOOTING

Any of the following fail to light: headlight or taillight.
TIP
• Before troubleshooting, remove the following part(s):
1. Seat
2. Battery cover
3. Tail/brake light cover
1. Check the condition of each bulb
and bulb socket.
Refer to "CHECKING THE BULBS
AND BULB SOCKETS" on page
9-82.
OK ↓
2. Check the fuses.
(Main and headlight)
Refer to "CHECKING THE FUS-
ES" on page 9-83.
OK ↓
3. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 9-84.
OK ↓
4. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 9-79.
OK ↓
5. Check the light switch.
Refer to "CHECKING THE
SWITCHES" on page 9-79.
OK ↓
6. Check the headlight relay.
Refer to "CHECKING THE RE-
LAYS" on page 9-87.
OK ↓
7. Check the entire lighting system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 9-15.
OK ↓
The lighting system circuit is OK.
NG →
Replace the bulb(s) and bulb socket(s).
NG →
Replace the fuse(s).
NG →
• Clean the battery terminals.
• Recharge or replace the battery.
NG →
Replace the main switch.
NG →
The light switch is faulty. Replace the left
handlebar switch.
NG →
Replace the headlight relay.
NG →
Properly connect or repair the lighting sys-
tem wiring.
9-17
LIGHTING SYSTEM