Indicator switch Bus 08/67-12/70Indicator switch The indicator switches are a frequently used part by courteous drivers, which are however very susceptible to use. Dust and humidity can also prevent the proper functioning of this switch. From now on we can deliver a replacing item from stock. # 0669 420 contains the complete unit inclusive the housing and assembly support, whereas # 0669 425 includes only the switch part with wiring and lever.