Sep. 02, 2024
An automotive wiring harness is a collection of wires, connectors, and terminals that are bound together into a single unit and used to transmit electrical power and signals between various components in a vehicle. Wiring harnesses are designed to be durable and withstand the harsh conditions of the automotive environment, including exposure to moisture, heat, and vibration. Overall, the automotive wiring harness is a critical component of a vehicle&#;s electrical system, and it plays a crucial role in ensuring the safe and efficient operation of the vehicle.
Link to FSW
So today we&#;re talking about what the top 10 best Automotive Wiring Harness companies are for :
https://www.yazaki-group.com/
Yazaki Corporation is a Japanese multinational automotive component manufacturer specializing in the production of electrical wire harnesses, connectors, and other electronic components for the automotive industry. Founded in , the company is headquartered in Tokyo, Japan. Yazaki Corporation is one of the world&#;s largest and oldest automotive wire harness manufacturers, with operations in over 40 countries and regions worldwide. The company is renowned for its high-quality products and innovative technologies and has established long-term partnerships with many leading automotive manufacturers such as Toyota, Ford, General Motors, Chrysler, and Honda, among others, serving as major suppliers to them.
In addition to wire harnesses, Yazaki also produces a wide range of other automotive components such as instrument panels, displays, and sensors. The company is committed to sustainable development and actively strives to reduce its environmental impact by using renewable energy sources and implementing environmentally friendly manufacturing processes.
https://sumitomoelectric.com/
Sumitomo Electric Industries is a Japanese multinational corporation that operates in five industries including automotive, information and communications, electronics, energy and environment, and industrial materials. Established in , the company is headquartered in Osaka, Japan. In the late 19th century, Japan heavily relied on expensive imported cables. Sumitomo Electric Industries, in the interest of the country, decided to break ground in the cable business. Starting with the production of copper wires and silicon copper wires, the company played an important role in supporting the development of Japanese industries, successfully producing the first high-voltage underground cable domestically, and installing the world&#;s longest submarine cable. Since then, Sumitomo Electric Industries has continuously accepted challenges to achieve a prosperous and dream-filled future.
Sumitomo Electric Industries has a wide range of products in various industries. Some of their products include automotive wire harnesses and harness components, high-voltage motor cables, electronic components such as center panels, electronic control units, and junction boxes. They also supply various products to smartphones, flat-screen TV, and other highly advanced electronic product manufacturers.
https://www.lear.com/
Lear Corporation is a Michigan-based multinational company that was founded in under the name American Metal Products Company. Initially, the company produced tubular, welding, and stamping components for the aviation and automotive industries. In the s and s, Lear Corporation achieved growth through a series of acquisitions. The company aimed to become a complete supplier of automotive interior systems, including seats, electrical systems, flooring, interior components, and dashboards, providing original equipment manufacturers (OEM) with these products.
Today, Lear Corporation is one of the world&#;s leading suppliers of automotive seating and electrical systems, supplying major automakers such as Ford, General Motors, BMW, and Toyota. In addition to automotive seating and electrical systems, the company also produces other automotive components, including flooring and acoustic systems, instrument panels, and overhead systems.
https://www.furukawa.co.jp/
Furukawa Electric Co., Ltd. is a multinational company based in Osaka, Japan, and is one of the world&#;s largest manufacturers of wire and cable. The company&#;s origins can be traced back to the founding of Nikko Copper Refinery by Ichibei Furukawa in Yokohama in , which was a copper refining plant that became a part of Furukawa Industries. In , a new company was formed called Furukawa Denki Kogyo, which merged its copper business with its own Yokohama wire manufacturing company acquired in . The business of Furukawa Electric Industries, Ltd. has expanded into areas such as telecommunications, electronics, new materials, and automotive components. They continue to develop a variety of products in six business areas: telecommunications, energy, automotive products, electronics, building/construction, and new businesses/developing products.
https://www.autoelectric.com/
Nexans autoelectric is a systems and development supplier that collaborates with leading automotive manufacturers to develop intelligent technologies for future mobility. They specialize in cable harnesses and vehicle wiring system components for vehicle performance, electric vehicles, or autonomous driving. Founded in , Nexans autoelectric is headquartered in Floss, Germany, with offices in Germany, Ukraine, the Czech Republic, Romania, Mexico, Slovakia, Tunisia, and China.
The company was formerly known as Alcatel Automotive Electrical Systems GmbH and was renamed Nexans autoelectric GmbH in . They are a key supplier to European automakers such as Volkswagen, BMW, Daimler, Renault, PSA Peugeot Citroën, and others.
https://www.leoni.com/
Leoni AG is a global supplier of wires, cables, and wiring systems, as well as a provider of related development services. Its primary customer base is the automotive industry, for which Leoni develops and manufactures technologically advanced products ranging from single-core automotive cables to complete wiring systems with integrated electronic devices.
The history of Leoni AG is characterized by tradition and rapid development. The foundation of the company was laid in the Middle Ages. In the late s, rapid development began, transforming a medium-sized German company into a multinational corporation in less than a decade.
https://www.fujikura.co.jp/
Fujikura Ltd. is a global electrical equipment manufacturer headquartered in Tokyo, developing and manufacturing power and telecommunications system products, including equipment for fiber optics such as cutters and splicers. They also provide a wide range of automotive products.
Fujikura provides an extensive range of automotive products, including wire harnesses, various types of sensors, and electronic products. They support the business of global automakers through a 14-pole service structure based on 49 overseas networks in three countries. Some of their products include wire harnesses, junction boxes and main fuse boxes, ECU units, safety airbag harnesses (wedge-shaped wires), high-voltage cables and connectors for EV and HEV, and micro coaxial cable (MCX) components.
Are you interested in learning more about wiring harness suppliers from China? Contact us today to secure an expert consultation!
https://www.motherson.com/
Motherson Sumi Systems, now known as Samvardhana Motherson, is an Indian manufacturer of wiring harnesses, plastic components, and rearview mirrors for the automotive industry. Founded in as a joint venture with Sumitomo Wiring Systems of Japan, the company is a major supplier to companies in India, North America, Europe, and China.
https://www.delphiautoparts.com/
Delphi Technologies, headquartered in London, is a pioneering automotive parts manufacturer. Established in , the company was formerly known as Delphi Automotive, a subsidiary of General Motors, which was renamed Aptiv, and its powertrain and aftermarket-related business was spun off into an independent company, Delphi Technologies PLC.
Delphi Technologies specializes in designing and producing optimized wiring harnesses, connectors, and electronic products for hybrid and electric vehicles. They supply various automotive manufacturers worldwide. With a focus on sustainability, Delphi Technologies has been driving innovation in the automotive industry for over a century, constantly adapting to new technologies and industry trends.
https://www.elecpeek.com/
Elecpeek is a brand owned by Renhotec Group, a Chinese company specializing in designing, manufacturing, and marketing new energy electric vehicle connectors, HV energy storage battery connectors, power cable connectors, quick connect connectors, HVIL Connector, and high voltage current EV charger connectors.
Their products cover various RF coaxial connectors, computer peripheral connectors, photovoltaic connectors, military connectors, new energy electric vehicle connectors, etc., which are widely used in the fields of 5G communication and the Internet of Things, industrial automation, medical equipment, instruments, and meters, new energy vehicles, and AI intelligent manufacturing.
After seven years of unremitting efforts in international trade and with the long-term struggle of all employees, Renhotec has fully utilized the talent advantage of Wuhan and relied on the perfect industrial chain resource allocation and convenient coastal transportation and logistics of Dongguan and Shenzhen, achieving rapid growth from sales of 10,000 yuan to 10 billion yuan, with an annual growth rate of over 50%.
Currently, the company&#;s products are exported to 81 countries and regions around the world, covering Europe, the Americas, Oceania, Africa, Asia, the Middle East, and more. The company provides customers with professional, high-quality, comprehensive services to ensure their satisfaction.
Wiring a car can be a daunting task even for a professional. Not all wiring is created equal including how they are laid out. Sort of like how some people prefer to buy a complete suspension kit and others prefer to piece things together. We all work differently and wiring is the same way. We see there are several different versions of wiring out on the market and wanted to know the different styles available to help you choose the best one for your car. We contacted Andrew Erichsen of Painless Performance to help explain the different harnesses options.
We break down each one below, but Andrew also had a video to share with us that goes over each wiring harness style as well.
&#;The first and foremost is a Direct-Fit harness. These are harnesses that have all the wires pre-terminated so you just have to lay it in the car and pop the connectors into place,&#; explained Andrew. Generally these are OEM replacements but some of them like the ones Painless Performance offers have upgrades. These upgrades would include mini-blade fuse box and additional circuitry for updated wiring requirements. Out of any wiring harness, these would most likely be the easiest ones to install, especially if you can take out the original harness to see where the new one goes.
The downside to these is that if you want to change how the wires are laid out or change the ends to something different other than stock, you&#;ll have to cut and modify the harness anyways. The other consideration is that these will use the direct fit factory bulkhead connector. If you wanted to tuck those wires away elsewhere, you won&#;t have that option.
The other end of the spectrum is a universal wiring harness. &#;These are customizable wiring harnesses that can be adapted to fit into just about any car. These give you the most adaptability to wire everything yourself,&#; continued Andrew. Now this might be a bit intimidating but Painless includes a 1/2&#; thick full color instruction book. These books explain what every single wire does, how it needs to be hooked up, and gives you different configurations for different applications. All the wires are labeled with a short description and number &#; that number you can look up in the instructions.
These are going to offer maximum flexibility to fit any chassis but you&#;ll need a bit of knowledge and planning to figure out every terminal to get it hooked up properly. These can be ordered with either a grommet or bulkhead so you can fish the wires through anywhere you need.
Between a Direct-Fit and a Universal harness is Painless&#; Pro-Series harness. We actually installed one of these a few years ago in our Project Way-Gone. These harnesses are upgraded from factory with extra circuits, but don&#;t come pre-terminated like a Direct-Fit harness does but does come with every terminal or connector you&#;d need. All the wires are terminated at the upgraded fuse box though. The reason you&#;d want this is so you can lay the wires and tuck them away exactly how you want, not how the factory did it. The wires are extra long which allows you to do a much better job of hiding the wires than the factory. Same as all their harnesses they are color coded and printed with a number inside the instruction manual.
The Pro-Series can also be had with a bulk-head style under hood harness like a Direct-Fit, or a grommet style like the Universal. When we installed our Pro-Series harness we opted for the grommet style so we were able to move the wires over and out of the way a bit and it just looked cleaner to us than this big bulkhead on the firewall. They also offer these in a trunk mount version too where the fuse panel is mounted in the trunk instead of under the dash.
There&#;s another style of wiring on the market where it&#;s the opposite of what Painless offers. In these kits the wires are terminated at the ends for whatever they are connecting to, but unterminated at the fuse panel. This is sort of like a Painless Pro-Series but instead of terminating the ends, you have to terminate them at the fuse box. The downside here is that the fuse box has to be a little bit bigger to accommodate those connections. Again it&#;s more of a user preference than anything.
As you can see just like how there are many different versions of brakes for your ride, there&#;s many different versions of wiring harnesses as well. There&#;s no right or wrong answer, simply a matter of what works best for your application and needs along with your preference.
Source: Painless Performance (800) 423-
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