| 摘要 |
A dummy plug of an option device electric connector in heavy construction equipment is disclosed, which comprises a dummy connector which has a mounting hole in an interior of a body and mounts a connection terminal into an interior of the mounting hole as the electric connector slides and is inserted along an inner wall surface of the mounting hole; and a fixing holder which is extended from a lateral surface of the body of the dummy connector and forms a circular shape at its front end and has a through hole at one side of the same wherein the dummy plug of an option device electric connector in heavy construction equipment is attached or detached from an option device electric connection.
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