PIAGGIO 633929(IT) Service Station Manual page 64

Electrical system
C. High-beam bulb
34. Front right turn indicator
35. Horn button
36. Remote control headlight
37. Light switch
38. Helmet compartment light switch
39. Helmet compartment light switch
40. Instrument panel coolant temperature sensor
41. Mode button
42. Locking/unlocking switch
43. Horn remote control
44. Pressure sensor
45. Horn
46. Geared motor
47. Brake calliper sensor
48. Parking electronic control unit
49. Right wheel revolution sensor
50. Left wheel revolution sensor
51. Potentiometer
52. Rider presence sensor
53. Oil pressure sensor
54. External temperature sensor
55. Parking brake button
56. Instrument panel
57. Fuel level transmitter
58. Electric pump control device (for scooters with electric pump only)
1. +Key
3. Pump ground connection
4. +Pump
5. Ground
6. Engine revs
59. Fuel pump (for scooters with electric pump only)
60. Starter
61. Spark plug
62. HV coil
KEY
ELE SYS - 4
MP3 125