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承修一辆三菱牌小面包车倒车灯常亮不熄灭(曾自行更换3只进口倒车灯开关,而倒车灯仍然照亮不灭。)的故障。经拆检校试确诊为该持车单位检修时早将装在变速器盖上的倒车灯开关安装孔内的一粒小钢球随油液流失所致。按倒车灯开关原理:当把变速杆拨到倒档位置时,倒车灯开关安装孔内的小钢球被松开,弹簧轴推出,使触点闭合,接通倒车灯电路,于是倒车灯发亮(设置倒车警报器的,则警报器发响)。汽车日常在不论任何一档前进档变速行驶时,该开关乃是持久处于断开位置。
Repair a Mitsubishi minibus reversing lights always on does not extinguish (had to replace their own 3 imported reversing light switch, while the reversing light is still lit.) Fault. The demolition of the school test confirmed the vehicle maintenance unit will be installed on the gearbox cover reversing light switch mounting hole in a small steel ball with the oil loss due. Press the reversing light switch principle: When the gear shift lever to the reverse position, the reverse light switch mounting hole small steel ball was released, the spring shaft pushed out, the contact closed, turn on the reversing light circuit, so Reversing lights (setting reversing alarm, alarm sounded). Every day when a car drives at any speed, the switch is permanently off.