汽油机不能启动的电系故障分析汽油发动机因电系故障不能起动（这是讨论的前提条件），其故障分析、判断步骤如下：１首先检查蓄电池的电压是否正常。打开大灯或按喇叭，如大灯不亮、喇叭不响，则表示蓄电池电压过低或容量不足，蓄电池到电流表或到接铁之间电路有接触不良... Gasoline engine can not start the electrical system fault analysis Gasoline engine electrical system fault can not start (this is the prerequisite for discussion), the fault analysis, determine the following steps: 1 First check the battery voltage is normal. Open the headlight or the horn, such as headlights do not shine, the speaker does not ring, it indicates that the battery voltage is too low or insufficient capacity, the battery to the ammeter or to the iron between the circuit has poor contact ...