KEY
1. Battery
2. Fuse No. 1
3. Key switch contacts
4. Fuse No. 3
5. Horn button
6. Horn
WARNING
ALL CONTINUITY TESTS MUST BE CARRIED OUT WITH THE CORRESPONDING CONNECTORS
DISCONNECTED.
1) Check fuses No. 1 and 3.
2) Check the key switch and horn button contacts.
3) With the key switch set to «ON» and the horn button pressed, check if there is voltage between the
Grey-Black 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. 3
Vespa LX 125 - 150 i.e. Electrical system
ELE SYS - 75