摩托车档位灯不亮了,用万能表怎么判断问题所在?

2025年03月14日 21:04
有2个网友回答
网友(1):

摩托车档位灯不亮了,可以用万用表判断故障原因。摩托车档位显示的原理是换到哪个档位,发动机上档显开关对应的触点就会接地搭铁,只要拔下发动机左侧档显开关的插头,用万用表电阻档分别测量换到每个档时该档接线是否搭铁,即可判断档显开关是否正常。也可以拔下万用表的表笔,用的一端接在发动机外壳金属上,另一端分别接线束中档显开关各个插头,接到哪条线上,对应的档显灯就会亮,如果不亮,有可能是该档的灯泡坏了或是接触不良,也可能是从这个插头到档显灯之间的接线有问题。

网友(2):

一般的档位灯(LED灯)用万用表还不好测量,还不如拆开小链轮盖板,找到并拆下档位灯的“下档显”部件,如附图所示。不论是哪种下档显,测量时先打开电门开关;用一条导线一端接车体(负极);一端则逐个接触部件上的黄铜接点,看灯是否亮起即可知道档位灯问题所在。

(感谢图片提供者)

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