VESPA GTS Super 125 i.e. Service Station Manual page 88

Electrical system
3) With the key switch set to «ON» and the horn button pressed, check if there is voltage between the
Yellow-Pink cable of the horn device and the ground connection. If there is not, check the cable har-
nesses.
4) Check the horn device ground connection.
Turn signals system check
KEY
1. Battery
2. Fuse No. 1
3. Key switch contacts
4. Fuse No. 4
5. Turn indicator control device
6. Turn indicator switch
7. Turn indicator bulbs
WARNING
ALL CONTINUITY TESTS MUST BE CARRIED OUT WITH THE CORRESPONDING CONNECTORS
DISCONNECTED.
1) Check that bulbs operate properly.
2) Check fuses No. 1 and 4.
3) Check key switch contacts.
4) With the key switch set to «ON», check if there is voltage between the Blue-Black cable of the turn
indicators switch and the ground connection. If there is not, check the cable harnesses and the con-
nections of the turn indicator control device.
ELE SYS - 88
Vespa GTS Super 125 i.e.