Headlamp: Description and Operation

Voltage is applied to the Main Light Switch at all times. With the Main Light Switch in HEAD, voltage is applied to the Dimmer Switch. With the Dimmer Switch in LO, voltage is applied to the LO filaments of the Headlamps. With the Dimmer Switch in HI, voltage is applied to the HI filaments of the Headlamps and to the HI Beam Indicator.