VESPA 664787 Service Station Manual page 57

Vespa S 50 2T
- If no voltage is detected for terminal number 4,
replace the regulator.
- If there is voltage for terminal number 4, check
both the installation and the bulb of the oil warning
light.
Specific tooling
020331Y Digital multimeter
level indicators
- Check resistance between Pin 4 and the ground connection on the 5-way connector in the instrument
panel to check the efficiency of the fuel gauge.
Electric characteristic
Resistance value when the tank is full
< = 7Ω
Resistance value when the tank is half-full
38 Ω ±4 Ω
Resistance value with empty tank and low fuel warning light on
90 Ω +13 Ω -3 Ω
Lights list
1
2
3
4 Rear turn indicator light bulb
5
6 Warning light bulbs: turn indicators, low-beam lights,
high-beam lights, low fuel, low oil
7 Instrument panel lighting bulbs
BULBS
Specification
High/low beam light bulb
Front tail light bulb
Front turn indicator bulb
Stop and tail light bulb
Electrical system
Desc./Quantity
Type: Spherical
Power: 12V 35/35W
Quantity: 1
Type: All glass
Power: 12V 5W
Quantity: 1
Type: Spherical
Power: 12V - 10W
Quantity: 1 RHS + 1 LHS
Type: Spherical
Power: 12V - 10W
Quantity: 1 RHS + 1 LHS
Type: Spherical
Power: 12V 21/5W
Quantity: 1
Type: All glass
Power: 12V - 1.2W
Quantity: 5
Type: All glass
Power: 12V 1.2W
Quantity: 3
ELE SYS - 57