PIAGGIO 633823 Service Station Manual page 52

Electrical system
KEY
1. Immobilizer aerial
2. Injection ECU
3. Engine rev sensor
4. Magneto flywheel
5. Diagnostics socket
6. Voltage regulator
7. Key switch
8. Fuse-box
9. Fuse-box
10. Battery
11. Starter motor
12. Start up remote control switch
13. Starter button
14. Stop button on front brake
15. Stop button on rear brake
16. Helmet compartment light switch
17. Helmet compartment light switch
18. Helmet compartment light bulb
19. Saddle opener actuator
20. Saddle opening receiver
ELE SYS - 2
MP3 250 i.e.