一辆轻型客车的白金触点近来经常烧蚀。驾驶员起初以为是电容器不好或分电器白金触点接触不良 ,但更换新件后仍无效。于是检查点火线圈上的“点火”和“起动”两接线柱上的导线是否接反 ,发现接线正常 ,接着又更换点火线圈 ,故障依旧。无奈之下 ,请笔者检修。经分析后 ,笔者先 The platinum contacts of a light bus have recently been ablated. The driver at first thought it was a bad capacitor or distributor platinum contacts poor contact, but after the replacement of new pieces still invalid. So check the ignition coil on the “ignition” and “start” the two leads on the wiring is reversed, found that the wiring is normal, then replace the ignition coil, the fault still. In desperation, please I overhaul. After analysis, the author first