首先检查保险丝看是否熔断，然后拔下喇叭插头，用万用表测量在按喇叭开关时此处是否有电。
First check the fuse to see whether the fuse, and then pull off the horn plug, using a meter measurement in the horn switch when there is electricity.
施工人员千万不能为了应付住户而只换换开关和插头处的电线，否则会给住户以后用电埋下安全隐患。
Construction personnel must not in order to meet household only change at the switch and the plug wire, otherwise they will be electricity for households later buried safe hidden trouble.
伟纳电气是一家专业从事开发高品质开关插座、插头转接器、各种电子电器产品的高新企业。
Wei Steiner electric is a professional engaged in the development of high-quality switch socket, plug adapter, a variety of electrical and electronic products-tech enterprises.
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