Classification of Automotive Wire Harness Industry
Release time：
2025-04-10
According to voltage classification: Wiring harnesses can be divided into high voltage harnesses and low voltage harnesses.
According to voltage classification: Wiring harnesses can be divided into high voltage harnesses and low voltage harnesses. High voltage harnesses have a voltage of 60V or above (generally between 60V and 800V) and are mainly used for driving power transmission of new energy vehicles; The voltage of the low-voltage wiring harness is below 60V (12V-48V), and the general voltage for vehicles is 12V, mainly used for transmitting signals throughout the vehicle.
According to the layout classification in automobiles, wiring harnesses can be divided into body assembly wiring harness, engine wiring harness, dashboard wiring harness, door wiring harness, roof wiring harness, chassis wiring harness, high-voltage wiring harness, etc.
The body assembly wiring harness realizes the contactless operation of the entire vehicle circuit and the control function of multiple loads in the system, solving the complex problem of wiring harness and improving the reliability and safety of system operation.
The electronic fuel injection engine wiring harness uses a common wire to transmit multiple signals, realizing the control function of multiple loads in the engine electronic fuel injection system and solving the problem of complex wiring harness.
The dashboard harness is extremely easy to assemble and has better processability. The door control system wiring harness, through docking with the vehicle body wiring harness, realizes functions such as electric glass lifting, electric heating control mirror, electric door lock, and speaker.
The roof harness, through docking with the body harness, realizes functions such as interior roof lights, electric sunroof, rain sensor, and ONS TAR. Floor wiring harness, connecting all electrical components on the floor such as door switches, handbrake, seat belt warning, seat adjustment, etc.
High voltage wiring harness, specifically designed for use in new energy vehicles.
High voltage wiring harness is the main carrier of power output for new energy vehicles and a new system under electrification, replacing the engine wiring harness of traditional vehicles. Mainly including high-voltage connectors, high-voltage cables, charging sockets, etc.
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