what are wire harness connectors
wire harness connectors, also generally referred to as electrical harness connectors or electrical wire harness connectors, are simply called connectors. It is a component that can separately connect two or more wires. Components including wiring harness and connectors form the whole used for transmitting signals and electricity.
In terms of overall usage, the wire harness connector can ensure the safety and performance of electrical use and can be disconnected in a timely manner when needed. It efficiently connects the wiring harness and the equipment and belongs to a modular interface.
how to use wire harness connector
The harness connector is the interface of the vehicle's electrical system. The accurate use of the harness connector can play an important role, ensuring a stable connection between the wiring harness and the equipment and avoiding electrical faults. Starting from the function of the harness connector, the following will specifically explain how to use the harness connector in scenario applications.
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Install and connect
As long as the harness connector is accurately connected, the installation and connection can generally be completed. For example, when installing the headlight wiring harness, there will be a headlight plug connector at the end. This harness connector is aligned with the socket in the headlight assembly. Just push it in according to the corresponding position of the socket. With a click, it indicates that the harness connector has been locked.
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Trailer wiring harness case
The trailer wiring harness is an example of forming a system with connectors as the theme. The trailer electrical harness is capable of towing vehicles and trailers through the function of the harness connector, which is the trailer wiring connector.
Generally, the most commonly used trailer wiring harness and plug connectors are 4-pin trailer plug and Trailer Wiring harness 7-pin. Before connection, it is necessary to identify the type of harness connector in the vehicle first. In the 4-pin trailer wiring system, the harness connector needs to be locked corresponding to the socket of the vehicle. In the trailer wiring 5-wire system in the trailer plug wiring harness, it is necessary to ensure that the harness connector is fully aligned and locked to avoid signal loss due to misalignment.
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Detection
If there is a fault in the circuit, we usually first check whether the harness connector is faulty. A faulty harness connector is the cause of most faults. For example, when the warning light of the trailer harness does not light up, It is necessary to check whether the trailer wiring connector is loose or corroded. When the headlight wiring harness cannot be used normally, it is necessary to check whether the headlight plug connector is damaged. The harness connector can be reconnected again to try to restore the connection.
In the car wiring connector, power must be cut off before inspection to avoid accidents.
what are the 3 types of connectors
It is classified into three types according to structure:
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Wire-to-wire connector
It is the most commonly used connection method between wire harnesses, used for the mutual connection of two wires to achieve the purpose of extending the circuit and regulating the branches.
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Wire-to-board connector
It refers to the connector that connects wires to the circuit board.
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Board-to-board connector
It refers to a connector that directly connects two circuit boards without the need for cables, enabling the realization of complex circuit structures within a limited space.
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The differences, features, functions and application scenarios of these three types of connectors are summarized in the table:
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Difference |
Connect objects |
Features |
Function |
Application |
|
Wire-to-wire connector |
Wire connection wire |
It is composed of a male end and a female end |
Circuit extension, regulation branch |
Automotive wiring harnesses, home appliance wiring harnesses, and internal wiring of electronic devices |
|
Wire-to-board connector |
Wire connection circuit board |
The wire ends are crimped to the wires, and the board ends are welded with pins or plugged into sockets |
The interface point between the wire and the circuit board |
Automotive engine interface, motherboard audio interface, industrial control sensor interface |
|
Board-to-board connector |
Circuit board connection circuit board |
They are respectively soldered onto two different circuit boards and then plugged in to connect the electrical components between the boards |
Stacking between circuit boards |
The connection between the main board and the secondary board of intelligent electronic devices |
Frequently Asked Questions
what is the purpose of a wire connector?
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1. Facilitate circuit detection.
2. Provide stable electrical and signal transmission.
3. Protect wires or wire harnesses and seal the environment.
4. Simplify the assembly of electrical wiring harness modules.
5. Facilitate installation, replacement and maintenance
how to clean wiring harness connectors?
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1. Cut off the power.
2. Visually inspect for any dirt or damage.
3. Gently brush off the dust and dirt with a soft-bristled brush.
4. Keep dry.
5. Reconnect and test
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