VESPA GTS Super 125 i.e. Service Station Manual page 89

Vespa GTS Super 125 i.e.
5) Check the turn indicator switch contacts.
6) With the turn indicator switch pressed to the right, check if there is voltage between the White-Blue
cable of the switch and the ground connection. If there is not, check the cable harnesses.
7) With the turn indicator switch pressed to the left, check if there is voltage between the Pink cable of
the switch and the ground connection. If there is not, check the cable harnesses.
8) Check that the cable harnesses of the bulbs and their ground connection are not interrupted.
level indicators
WARNING
ALL CONTINUITY TESTS MUST BE CARRIED OUT WITH THE CORRESPONDING CONNECTORS
DISCONNECTED.
If faults are detected:
1) With a multimeter, check resistance values between the White-Green cable and the Black cable of
the fuel level transmitter under different conditions.
2) If the transmitter operates correctly but the indication on the instrument panel is not exact, check that
the cable harnesses between them are not interrupted.
Electric characteristic
Resistance value when the tank is full
<= 7 Ω
Resistance value when the tank is empty
90 +13/-3 Ω
Lights list
Electrical system
ELE SYS - 89