三菱4A91发动机 刹车灯开关 四插 SW805465

For Mitsubishi 4A91 engines in Southeast V3 Lonsun, V5 Lingzhi, and some domestically produced Eclipse (2008–2015, 1.5L), you can directly use this brake light switch (OEM SW805465). Four-pin design; core function is to control brake lamp illumination and extinguishment, while sending brake signal to the ECU to ensure safe driving and proper shifting logic. Replacement difficulty is low; simply disconnect battery negative, remove the four-pin connector and unscrew to install; use the appropriate tools to ensure proper torque.