Changhe Freida Brake Light Switch 4-Pin Narrow Port SCD177

Changhe Fuirda brake light switch (four-pin narrow mouth SCD177) uses high-temperature engineering plastic and copper alloy contacts; precision and durability comparable to OEM; replacement is reliable for brake light operation. Replaces failed switch directly; main function to control brake light illumination and extinction, ensuring rear warning when braking. Installation is easy: disconnect negative battery, unplug old switch, unscrew and reverse-install the new unit; typical owner can do it.