VESPA GTS Super 125 i.e. Service Station Manual page 86

Electrical system
KEY
1. Battery
2. Starter relay
3. Fuse No. 1
4. Fuse No. 3
5. Ignition switch contacts
6. Fuse No. 2
7. Electronic control unit
8. Starter motor
9. Stop buttons
10. Fuse No. 4
11. Starter button
12. Engine stop switch
WARNING
ALL CONTINUITY TESTS MUST BE CARRIED OUT WITH THE CORRESPONDING CONNECTORS
DISCONNECTED.
1) Check fuses No. 1, 2, 3 and 4.
2) Check ignition switch contacts.
3) Check the contacts of the stop buttons and the starter button.
4) With the ignition switch set to «ON», the brake pulled and the starter button pressed, check if there
is voltage between the Orange-White cable of the start-up relay and the ground connection. If there is
not, check the cable harnesses.
ELE SYS - 86
Vespa GTS Super 125 i.e.