接通电源，并接地，开启电源开关。
转动点火钥匙，弹簧的压力使“开启”位置变为“启动”位置，起动接触器闭合，使得起动电机线圈或磁性开关与电池接通。
When the ignition key is turned against spring pressure past the on position to start, the starting contacts close. This connects the cranking-motor solenoid or magnetic switch to the Battery.
车灯开关开启时，蓄电池和前灯之间的电路接通。前灯的电路由脚踏选择开关来接通。
When the light switch is pulled out, the circuit from the Battery to the headlights is completed. This circuit is through the foot selector switch.
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