4 pin 444046-1 Auto Waterpfoof Housing Plug Wire Harness Connector 1.8 Series

Structural error proofing
In the wiring harness design, if the same connector appears in the adjacent position, you can choose the same type of connector with different structures according to the electrical terminal to achieve the effect of error prevention; you can also choose different structures of electrical terminals and mating terminals at the beginning of the design For connectors, the same type of connectors should be selected as much as possible to reduce the types of terminals and the types of crimping abrasives in the wiring harness production process.
Example: The co-pilot gravity sensor and the co-pilot seat belt not fastening reminder of a certain model are both 2-hole connectors, located under the co-pilot seat. In the prototype car, there are often cases of wrong plugging. Consider the model to prevent mistakes. The model of the co-pilot’s seat belt is not fastened to remind the harness end to remain the same as MG610392. The model of the co-pilot’s gravity sensor is changed to MG611272-5 Side-by-side changes. These two plug-in structures Error proofing of components
Connector design and selection:

 ①Connector design and selection is based on the premise of satisfying the electrical terminal, select connectors with different shapes, and the mating part with the mating end remains unchanged, and realize error prevention by changing the tail shape, tail length, shape, etc. .
②Some connectors need to be equipped with self-locking or back cover. When the connector body remains unchanged, you can choose a different back cover or self-locking, including the size of the back cover and self-locking, the direction of the outlet, the guide groove, and the color to prevent wrong.
Example: The idling start-stop switch of the instrument switch group of a certain car model is consistent with the start-stop switch and the connector body, and they are relatively close to each other on the body, so error prevention needs to be considered. The inner core of the connector is the same, the model is 1534120-1, and the back cover needs to be matched. 5.
In order to prevent mistakes, choose different back covers, and the color and guide groove of each back cover are not consistent. Therefore, the shell model of the start-stop switch is: 1-1534121-2 (brown) , the idle start-stop switch Select the shell: 1-1534121-5 (blue), so as to achieve the effect of error prevention.

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