以下转发
KL is the abbreviation for ‘klemme‘ which is the German term for connector / connection.
KL15 is ignition switch position #2 (on)
KL30 is battery positive, hot at all times
KL31 is battery negative, connected all the time
KL50 is ignition position #3 (start)
KLR means ignition switch position #1 (accessory)
KL30和KL31 简单来说,就是汽车电池的正负极。
KLR、KL15、KL50代表的是汽车系统的三种电源模式。
KLR 指的是汽车电源的ACC模式 radio 档,启动功能,收音机,
KL15 汽车的Run 模式 启动功能,空调,升降车窗
KL50 汽车的Crank 模式 点火档
这三种模式对应与汽车三个继电器的开闭。
ACC Run Crank
IGN1 OFF ON ON
IGN2 OFF ON OFF
Start OFF OFF ON