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倒车灯诡异问题解决作业
在这里打开
财产: 25224 爱卡币
来自: 江苏省|常州市
倒车灯诡异问题解决作业
小编 车上有问题出现自己想折腾解决的话必须弄清楚该部件的工作原理，如需更换则要知道部件所在位置，当然要能够确定问题处在哪里（通俗的说也就是必须知道电路走向和工作原理）当然大问题大件不建议自己动手，自己折腾的时候要想好有没有该用的工具。另外自己折腾也要时刻做好失败的准备，（取决于判断故障源）
这几天一连发了几个作业，虽然都是小作业，不过如果遇到类似情况的我认为可以作为小小的参考。今天要解决的是老车都会出现的问题，笼统的说就是个电路问题。
故障表现 倒车灯经常会出现比正常亮度暗一点的情况，此时拍打灯罩和后备箱盖没有变化（老桑这类情况一般怕打几下就会亮了，前提是灯完全不亮）。我这是比正常亮度暗了一半
梳理原理 倒车灯（站在车前看在变速箱体左侧下部）是行车中全车通电（或者电门打开）情况下，挂倒车档之后通过变速箱拉杆挤压倒车灯开关触点使开关连通（倒车档开关一头是触点，另一头两个输出桩，自复式开关和门边开关原理一样不过倒车灯开关是常开，门边开关是常闭）。开关是串联在整个电路中，控制负极，特别提醒的是整个电路中除了有个倒车开关在变速箱体上，连接倒车灯的线路往上到暖风阀处还有个一公一母的对插头（那有一大把线路包扎在一起不过这个插头是分出来单独的很容易看见）经过插头就通往防火墙了，那里面具体我就不清楚了。最后到达尾箱排线，
分析原因 倒车灯亮，有时微量，不灭，首先肯定不是断路。应该是电压偶发性的降低。（多数是因为接触不良）
解决故障&&拧下倒车灯灯泡两只。打开电门不发动挂倒档，此时正常倒车灯两边应该电压为12V左右。拿出万用表测得电瓶电压空载是12.41V，打开电门后12.32V（正常有仪表灯ECU在供电降压）此时测倒车灯泡出电压为10.2-11.5v之间游动，偶然也会9v以下。根据这个数据大致可以判断出整个线路中有接触不良的现象，由于只能轻松的发现三个连接点，所以自己折腾的话只能看这三个地方（倒车灯开关，公母插头，后排线）
以上提到的三个部位都有照片，应该能看的清楚，自己在家搞，爬到车底有点费劲（弹簧还原了要不然根本就不去）
后尾灯罩内部，还是原厂的
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onmousewheel="return imgzoom(this);" alt="" />、
后排线灯座
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onmousewheel="return imgzoom(this);" alt="" />
倒车灯开关从图中位置看下去，最后用一只眼睛看，能够看见。照片不容易从上面拍到
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onmousewheel="return imgzoom(this);" alt="" />
放大之后有点隐约可见
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
公母插头暖风阀下面，能看见
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
万能爱卡　　　760) {this.resized= this.width=760; this.alt='Click here to open new window';}" onmouseover="if(this.width>760) {this.resized= this.width=760; this.style.cursor='hand'; this.alt='Click here to open new window';}" onclick="if(!this.resized) {} else {window.open('/imgextra/i2//TB2T0MGXVXXXXaGXpXXXXXXXXXX_!!.jpg_728x728.jpg');}" onmousewheel="return imgzoom(this);" alt="" />
[每日热点]:
在这里打开
财产: 25224 爱卡币
来自: 江苏省|常州市
下去看看吧
前胎弄个砖升高一点
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
黑胶皮那个地方就是倒车灯开关
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
位置小，排气支管挡住了，手必须从传动轴前面绕过去，很累啊，一只手还要拿相机
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onmousewheel="return imgzoom(this);" alt="" />
就它了，倒车灯开关只起到通断电作用，所以拿下两个插头，让老婆在车里一直挂倒档（无需开电门），用万用表通断档反复测开关两头通断情况完好(也就是开关是没有问题的)，清理下线桩插上扣紧即可
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
万能爱卡　　　760) {this.resized= this.width=760; this.alt='Click here to open new window';}" onmouseover="if(this.width>760) {this.resized= this.width=760; this.style.cursor='hand'; this.alt='Click here to open new window';}" onclick="if(!this.resized) {} else {window.open('/imgextra/i2//TB2T0MGXVXXXXaGXpXXXXXXXXXX_!!.jpg_728x728.jpg');}" onmousewheel="return imgzoom(this);" alt="" />
[每日热点]:
在这里打开
财产: 25224 爱卡币
来自: 江苏省|常州市
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
下面弄好，上面的插头和后排线就简单多了，
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onmousewheel="return imgzoom(this);" alt="" />
插头只需扒开用细铁丝对准插孔摸一下就行，然后反复拔插几下基本就完事，后排线也是如此，一切清理好之后用万用表电阻档测清理过的接头，对接之后电阻基本为0.（说明全完通路，电阻越大证明接头肯定松动或者氧化）。
至此我能自己排除的原因都排除了，全部装好后试车，倒车灯电压为11.9V 发动后为12.2V，应该是正常，目测亮度白天看不出，必须借助万用表
问题得到解决。
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[每日热点]:
设置我的状
财产: 71528 爱卡币
来自: 北京市|北京市
俺最近只有一个小小心得，就是尾巴的灯坏了一边的，顺便把另一边的也换了，绝对不会超过一个月的。
以上通过两个车总结出来了。这灯泡设计的寿命也太精准了
Ｒ②④⑥⑧
┗╋╋╋┫
&&①③⑤⑦
[每日热点]:
财产: 93 爱卡币
来自: 上海市|上海市
超级能折腾！
[每日热点]:
财产: 5447 爱卡币
来自: 河北省|邢台市
楼主是个能人
[每日热点]:
财产: 28581 爱卡币
来自: 江苏省|宿迁市
常州普桑贴贴精华
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财产: 5090 爱卡币
来自: 上海市|上海市
[每日热点]:
财产: 331 爱卡币
来自: 湖北省|武汉市
我的倒车灯貌似不亮了，自己不会整……准备改天找个师傅给我修理修理
[每日热点]:
财产: 27053 爱卡币
来自: 浙江省|杭州市
备用帖子，收藏
[每日热点]:
回复成功，收到1个大米！
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更换超亮倒车灯简单作业
财产: 3896 爱卡币
来自: 陕西省|西安市
共获得爱卡币
更换超亮倒车灯简单作业
一直觉得原车倒车灯几乎没有任何照明作用特别是贴了尾灯膜以后更甚所以决定换掉
废话不说直奔主题
型号：T15透镜聚光+矩阵散光&&超高亮倒车灯 7.5W
电压：12V 直流 (即一般小汽车的输出电压)
颜色：白色
用途：倒车灯
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onmousewheel="return imgzoom(this);" alt="" />
首先上一张原车的倒车灯效果
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onmousewheel="return imgzoom(this);" alt="" />
下面是安装过程 很简单
& && &&&先拆掉后备箱门板上的螺纹卡子然后拆掉下图部分的螺丝
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
然后就能看到尾灯上的螺丝了拆掉就能把尾灯拿掉了
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onmousewheel="return imgzoom(this);" alt="" />
然后转动倒车灯的底座倒车灯就被拿出来了
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onmousewheel="return imgzoom(this);" alt="" />
拔掉旧灯泡装上新灯泡
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onmousewheel="return imgzoom(this);" alt="" />
最后就个把之前拆下来的东东原封不动的装回去就ok了
晒晒效果图
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
[每日热点]:
爱卡K5欢迎您！
财产: 62564 爱卡币
来自: 江苏省|淮安市
这个正好需要，太好了
我的K5，我自己做主……760) {this.resized= this.width=760; this.alt='Click here to open new window';}" onmouseover="if(this.width>760) {this.resized= this.width=760; this.style.cursor='hand'; this.alt='Click here to open new window';}" onclick="if(!this.resized) {} else {window.open('/k53.jpg');}" onmousewheel="return imgzoom(this);" alt="" />
[每日热点]:
财产: 18301 爱卡币
来自: 湖南省|衡阳市
晚上效果咋样，好的话，求连接我也安装
湖南的妹子火辣辣
[每日热点]:
2012年度老好人
财产: 252682 爱卡币
来自: 江苏省|无锡市
7.5W 很亮吧
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[每日热点]:
阅读灯的作业上了哦
财产: 13967 爱卡币
来自: 江苏省|南京市
我回头换一个15W的试试
760) {this.resized= this.width=760; this.alt='Click here to open new window';}" onmouseover="if(this.width>760) {this.resized= this.width=760; this.style.cursor='hand'; this.alt='Click here to open new window';}" onclick="if(!this.resized) {} else {window.open('.cn/attachments/a/day_f0af9efZXnTZ5QZvgug.jpg');}" onmousewheel="return imgzoom(this);" alt="" />
[每日热点]:
财产: 3896 爱卡币
来自: 陕西省|西安市
共获得爱卡币
&br /&晚上效果咋样，好的话，求连接我也安装 还不错，比原车的强的太多了
[每日热点]:
财产: 21225 爱卡币
来自: 北京市|北京市
760) {this.resized= this.width=760; this.alt='Click here to open new window';}" onmouseover="if(this.width>760) {this.resized= this.width=760; this.style.cursor='hand'; this.alt='Click here to open new window';}" onclick="if(!this.resized) {} else {window.open('.cn/attachments/a/day_c0fdbf79eGYgogJrEVmTu.gif');}" onmousewheel="return imgzoom(this);" alt="" />
[每日热点]:
财产: 7221 爱卡币
来自: 陕西省|汉中市
不像是T15的哇，关注耐用度哈哈
[每日热点]:
爱卡K5欢迎您！
财产: 62564 爱卡币
来自: 江苏省|淮安市
我那个换个，效果一般呢
我的K5，我自己做主……760) {this.resized= this.width=760; this.alt='Click here to open new window';}" onmouseover="if(this.width>760) {this.resized= this.width=760; this.style.cursor='hand'; this.alt='Click here to open new window';}" onclick="if(!this.resized) {} else {window.open('/k53.jpg');}" onmousewheel="return imgzoom(this);" alt="" />
[每日热点]:
财产: 18301 爱卡币
来自: 湖南省|衡阳市
这个算技术贴，我继续观望
湖南的妹子火辣辣
[每日热点]:
回复成功，收到1个大米！
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