To reduce the possibility of contact failure of a switch in electric components for an automobile such as a lamp unit and to improve the contact in the switch.
The respective contact parts 12A and 14A of terminal members 12 and 14 are each disposed in a predetermined positional relations on a guide rail 11C of a base member 11. Two contact parts 15E selectively contacting the respective contact parts 12A and 14A are formed on a first side 15A of a movable contact piece 15 sliding on the guide rail 11C in parallel in the sliding direction. A leaf spring-like part 15G for generating click by engaging with a projecting-recessed part 11F formed on a second surface 11B of the base member 11 is formed on a second side 15B of the movable contact piece 15.
SUMITOMO WIRING SYSTEMS
SUMITOMO ELECTRIC INDUSTRIES