Mitsubishi 4A91 Engine Brake Light Switch 4-Pin 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.