Automotive Wiring Harness Market Top Key Players- Sumitomo, Yazaki Corporation, Delphi, Furukawa Electric, Lear Corporation, Leoni AG, Motherson Sumi, BizLink Holding Inc

A wiring harness is a standardized set of wires, connections, and terminals that run throughout the vehicle and aid in the transmission of data and electrical power. They play a crucial role in connecting various components. Vinyl, rubber, or a combination of materials are used to make these cables.


As the number of features in cars grows to provide safety, comfort, luxury, and other benefits, so do their component parts, and to meet their needs, they require electronics that may help them save a lot of space.


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Some autos have so many wires that if they were stretched out, they could stretch for several kilometers. As a result, by tying them together in a wire/cable harness, they can be protected from abrasion, vibration, and moisture, all of which can harm them.



COVID has undoubtedly had a negative impact on global auto production, resulting in lower sales for wiring harness manufacturers, but China has seen a V-shaped recovery beginning in April 2020. In 2020, Europe’s auto output fell by 25%, with total passenger car sales of 11 million units, down from 15 million in 2019.


The US dropped 13-14 percent year over year, which was a tremendous relief for all wiring harness producers. LEONI was also forced to make the difficult decision to temporarily halt production at its wiring systems sites in Europe, North Africa, and the United States. Leoni faced significant additional sales, earnings, and liquidity effects in late March 2020.



Due to a lack of automation in the field, wire harnesses account for about half of the labour cost in a vehicle. Until now, wire harness in automobiles has primarily employed two types of interfaces (software).


CAN (CONTROLLER AREA NETWORK)It mainly controls the communication between major components of vehicle such as door modules, weather control module, power seat modules etc.


LIN (LOCAL INTRANET NETWORK) : It controls the other components of vehicle such as motor, heater, cooler etc.


In terms of basic materials used in vehicles, steel and copper have been replaced with aluminium and copper-based alloys in order to reduce overall vehicle weight, as heavier vehicles consume more fuel and have shorter battery life. Wire harness advancements and designs are often targeted at reducing the amount of metal used in a vehicle’s total weight.



TE Connectivity is a market leader in the automotive connection market, providing vehicle OEMs with the specialty cables and networking solutions they need to deploy connected and autonomous driving technologies. For this additional demand, the R&D division intends to increase research into next-generation cable technology.


Fujikura’s entire revenues decreased by 6% in fiscal year 2020-21, totaling $ 6.1 billion. The company’s overall sales are made up of 22% automotive wire goods and other electrical items.



  • Sumitomo
  • Yazaki Corporation
  • Delphi
  • Furukawa Electric
  • Lear Corporation
  • Leoni AG
  • Motherson Sumi
  • BizLink Holding Inc


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