（1）故障診斷接到該車后，將點火開關(guān)放置“ON”檔，充電指示燈亮，這
是正常的，說明充電指示燈自身沒有損壞。
(1) Upon receipt of the car fault diagnosis, placing the ignition switch "ON" file, charging indicator light, which
It is normal, indicating that the charge indicator itself is not damaged.
（2）啟動發(fā)動機，發(fā)現(xiàn)充電指示燈依舊是亮的，正常情況下，它應(yīng)該是滅
的。于是，懷疑可能是由于交流發(fā)電機不充電，使指示燈繼電器常閉導(dǎo)致。 
(2) Start the engine and found that the charging indicator is still lit, under normal circumstances, it should be destroyed
The. Thus, the suspect may be due to the alternator is not charging, so that the indicator relay normally closed lead.
（3）熄火，檢查交流發(fā)電機，聞到線路被燒焦的味道。拆下交流發(fā)電機進(jìn)
行解體，發(fā)現(xiàn)內(nèi)部線路燒壞，更換新的交流發(fā)電機。
(3) turn off, check the alternator, the smell of charred flavor line. Remove the alternator into
OK disintegration found burned inside wiring, replacement of the alternator.
（4）再次啟動后，充電指示燈沒有亮，認(rèn)為故障解決。但沒過一會，又聞到線路被燒焦的異味，并且發(fā)現(xiàn)交流發(fā)電機外接線路異常熱，立刻熄火。難道還有其他故障？
(4) starts again, the charging indicator does not light, consider troubleshooting. But not after a while, they smelled the odor of charred lines, and found that the alternator circuit abnormal external heat, immediately turn off. Is there another failure?
（5）線路過熱，一般是由于電流過大導(dǎo)致，而電流過大又可能是線路被短路或負(fù)載減少導(dǎo)致。
(5) Line overheating, generally due to the current is too large, and the current is too large and may be short or reducing the load line is lead. 
（6）結(jié)合交流發(fā)電機的工作電路：蓄電池負(fù)極搭鐵→蓄電池→點火開關(guān)→保險絲→電壓調(diào)節(jié)器→交流發(fā)電機→搭鐵回路，可以看出，很有可能是由于電壓調(diào)節(jié)器或交流發(fā)電機被短路導(dǎo)致。而充電指示燈再次啟動后會亮，說明交流發(fā)電機是可以正常工作的，不可能被短路。
(6) combined alternator operating circuit: Ground the negative battery ignition switch → → → Battery voltage regulator fuse → → → Ground alternator circuit, it can be seen, most likely due to the voltage regulator or AC power machine is shorted lead. And after the charge indicator will light starts again, indicating that the alternator is working properly, and can not be short-circuited.
（7）最后考慮只有電壓調(diào)節(jié)器被短路才可能導(dǎo)致線路過熱。于是，使用萬用表“電路通斷”檔檢測電壓調(diào)節(jié)器，發(fā)現(xiàn)電壓調(diào)節(jié)器并沒有被短路。這就奇怪了難道還有其他原因？
(7) Finally, consider only the voltage regulator circuit is shorted it may cause overheating. Then, using a multimeter, "Continuity" position detection voltage regulator, voltage regulator found that has not been short-circuited. This is strange Is there another reason?
（8）既然不是短路導(dǎo)致，那就只有負(fù)載減少導(dǎo)致電流過大。交流發(fā)電機是新?lián)Q的，應(yīng)該沒問題。那就只有電壓調(diào)節(jié)器了。
(8) Since it is not a short circuit cause, it is only due to reduced load current is too large. Alternator is new for, it should be no problem. It is only the voltage regulator.

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