VESPA GTS Super 125 i.e. Service Station Manual page 102

Electrical system
IMMOBILIZER ANTENNA CONNECTOR
1. Key powered (Red-White)
2. Ground lead (Black)
3. Electronic control unit (Orange-White)
FUEL LEVEL TRANSMITTER CONNECTOR
1. Fuel level indicator (White - Green)
2. Ground lead (Black)
3.Low fuel warning light (Yellow-Green)
COOLANT PUMP CONNECTOR
1. Ground lead (Black)
2. Injection load relay (Black-Green)
3. Injection load relay (Black-Green)
THE FOLLOWING INFORMATION REFER TO THE VERSION EQUIPPED WITH MIU G3 ECU.
DIAGNOSTICS CONNECTOR
1. Not connected
2. Ground lead (Black)
3. Electronic control unit (Violet - White)
ELE SYS - 102
Vespa GTS Super 125 i.e.