Hisun HS400 Service Manual page 238

Troubleshooting
IF THE STARTER MOTOR FAILS TO OPERATE:
Check the following:
1. Fuses (main, ignition, signaling system)
2. Battery
3. Starter motor
4. Starter relay
5. Main switch
6. Gear position switch
7. Brake light switch
8. Diode 1
9. Wiring connections (the entire starting system)
Electrical
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