Secondary Lock

The secondary lock is a housing securing mechanism (second locking mechanism) that secures all wires in one terminal housing. If a secondary lock is installed at a terminal housing, it must always be opened or removed using specified tool before releasing and pulling out individual crimp contacts.

Secondary lock is distinguished by a different color from the rest of the contact housing. It simplifies recognizing the secondary lock and clarifies its function.

The shapes of the terminal housings depicted here are only a selection which, as an example, should make clear the various functions of the secondary lock.

Fig 1: Identifying Secondary Lock (Comb Type)

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Housing securing mechanism is released by removing a comb -arrow-.

Fig 2: Identifying Secondary Lock (Flap Type)

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Housing securing mechanism is released by opening a flap -arrow-.

Fig 3: Identifying Secondary Lock (Slider Type)

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Housing securing mechanism can be released by disengaging a slider -arrow-.