Ignition switch is the switch of the ignition system, which can open or close the main circuit of the ignition coil freely, is also applicable to other electrical systems. The ignition switch, commonly known as master switch, master switch or master key, is the master gate that controls the circuit system of the whole vehicle. It has plug type and knob type two kinds. We are the auto parts supplier in China. We provide all auto parts. You can consult us about ignition switch.Ignition Switch factory website:http://www.ronyuautoparts.com/ignition-system/ignition-switch/