Sym DD 50 Service Manual page 144

This chapter Contents
15. ELECTRICAL EQUIPMENT
Headlight Voltage Inspection
Front cover
Connect a tachometer.
Do not disconnect the headlight harness
connector after engine started.
Turn the headlight ON and to high beam position.
Measure the voltage between the blue wire (+)
and green wire (-) while the headlight harness is
still in connection. Measure alternating current
voltage with a voltmeter.
Headlight connector
Gradually increase engine speed and read the
voltage in each specified rpm.
Control voltage: 12.0~14.0 V / 5000 rpm
Resistance Measurement of Resistor at 20℃.
Resistor (10.2Ω5W) Green/Black and Body
ground: 9.0Ω~10.0Ω
Resistor (5.9Ω5W) Pink and Body ground: 5.6
Ω~6.2Ω
Resistor
15-7