电喇叭不响，可先按下按钮，如继电器有“咯咯”响声时．可将继电器火线拆下．接触喇叭接线往．无火花，表示断路，应再用火线触及车架、喇叭架、上下触点和接线柱等处．查找故障。l，如果用火线触及喇叭接线往时，火花很强，而喇叭不响，表示有搭铁故障。2．如果按下按钮．继 Electric horn does not ring, you can press the button, such as the relay has a “giggle” sound. Relay firewire can be removed. Contact the speaker wiring to. No spark, said the circuit, should be re-hit the fire line frame, speaker stand, up and down contacts and terminals and other places. Find fault. l, if you touch the speaker line with the fire line, the spark is strong, and the speaker does not ring, that there is a ground fault. 2. If you press the button. Following