The 28 best wiring harness brands

  • 28 brands ranked
  • Ranked by brand visibility

Mopar, Nissan and General Motors lead our ranking of 28 wiring harness brands. Compare what each brand makes, visit its official site, or shop it online.

Wiring Harness brands, ranked

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  1. 1

    Mopar

    Chrysler's parts arm, supplying factory-spec engine and body harnesses for Dodge, Jeep and Ram vehicles.

    Popularity 10.0/10

  2. 2

    Nissan

    Dealer-sourced factory harnesses for Nissan and Infiniti, typically ordered by VIN.

    Popularity 8.2/10

  3. 3

    General Motors

    Chevrolet, GMC, Buick and Cadillac factory harnesses, usually ordered by VIN from dealer parts.

    Popularity 6.8/10

  4. 4

    Mercedes-Benz

    Original harnesses for engine, chassis and body circuits, with dealer-only part numbers on many models.

    Popularity 6.1/10

  5. 5

    Honda

    Classic minibike and ATV looms through to modern dash-to-radio kits for Civic and CR-V.

    Popularity 6.1/10

  6. 6

    BMW

    Dealer-listed harnesses for engine, chassis and comfort electronics, matched by chassis code.

    Popularity 5.9/10

  7. 7

    AUXITO

    AUXITO was formed in 2016 to improve driving safety by manufacturing and marketing LED light bulbs. Using the only best-in-class technology, they developed a global solution that is both simple and economical. They live in a world where they are continuously under pressure to travel quicker than ever before; therefore, they want their products to help make your journey safer and more pleasurable. You can trust AUXITO since they are continually pushing for improvement, which leads to better results.

    Popularity 5.2/10

  8. 8

    Toyota

    Genuine harnesses by part number, plus trailer and tow harnesses for Tacoma and Tundra trucks.

    Top products: Tacoma Wiring Harnessยท 7 Way Trailer Wiring Harness

    Popularity 5.2/10

  9. 9

    Audi

    Lighting, engine and infotainment harnesses, mostly sold through Audi dealer parts counters.

    Popularity 4.2/10

  10. 10

    ACDelco

    GM's aftermarket parts line with OE-replacement harnesses for Chevrolet, GMC and other GM models.

    Popularity 3.5/10

  11. 11

    Hyundai

    Cooling-fan, body and engine harnesses from Hyundai parts channels, matched to model year.

    Top products: Cooling Fan Resistor Wiring Harness

    Popularity 3.5/10

  12. 12

    Yamaha

    Yamaha-specific plugs for Grizzly and Wolverine ATVs, plus YZF and MT motorcycle looms with keyed connectors.

    Top products: Banshee Wiring Harness

    Popularity 3.4/10

  13. 13

    Standard Motor Products

    Replacement sensor and engine harnesses under the Standard brand, with original connector layouts.

    Popularity 3.4/10

  14. 14

    CURT

    Trailer wiring harnesses and 4-way or 7-way connector kits that plug into tow packages.

    Popularity 3.3/10

  15. 15

    Dorman

    Pigtail connectors and OE-style harnesses for repairs where one plug or lead has failed.

    Popularity 3.3/10

  16. 16

    Lexus

    Lexus parts-site harnesses for engine, body and infotainment, ordered by VIN.

    Popularity 3.1/10

  17. 17

    Jeep

    Jeep has been writing a deep history for more than 80 years since its foundation. The brand is a legend, and the story is legendary. Passion and authenticity are words that are synonymous with this brand. The slogan of the...

    Popularity 2.9/10

  18. 18

    Mazda

    Factory engine and body harnesses sourced by VIN from dealer parts departments.

    Popularity 2.8/10

  19. 19

    Dodge

    Dodge is synonymous with performance. They have the know-how and enthusiasm for innovation that has molded them into an automotive leader, from their fantastic equipment to more extraordinary team members. And it's evident in everything they build, from the classic...

    Popularity 2.8/10

  20. 20

    Subaru

    AWD, engine and sensor harnesses sold through Subaru parts channels and dealers.

    Popularity 2.8/10

  21. 21

    Porsche

    Sports car harnesses for engine and chassis circuits, usually matched to model year.

    Popularity 2.8/10

  22. 22

    Harley-Davidson

    Instrument and engine harnesses matched by model year and ECM type.

    Popularity 2.8/10

  23. 23

    Kawasaki

    Motorcycle, Teryx side-by-side and jet ski harnesses, bought by model number.

    Popularity 2.6/10

  24. 24

    Suzuki

    Model-and-frame-matched harnesses for motorcycles, ATVs and cars, sold through Suzuki parts channels.

    Popularity 2.5/10

  25. 25

    Jaguar

    The Jaguar floor mat line is made of thick, heavy rubber with logo branding, and it sits on floor anchors to protect the carpets. The brand, the British carmaker, also offers car covers, vent accessories and a men's clothing range...

    Popularity 2.5/10

  26. 26

    Tekonsha

    Brake controller and tow harness kits, including 7-way connectors for tow vehicles.

    Popularity 2.4/10

  27. 27

    Polaris

    Polaris-built harnesses for Ranger and RZR side-by-sides, plus Sportsman ATV and Indy snowmobile loom sets.

    Popularity 2.4/10

  28. 28

    Volvo

    Engine and electronics harnesses for Volvo, with restoration sources for older models.

    Popularity 2.2/10

Wiring Harness Buying Guide

A wiring harness is an important component that connects various electrical components in a vehicle. It is a set of wires, terminals, and connectors that transmit electrical power and signals between different parts of the car. When buying a wiring harness, it is essential to consider its quality, compatibility, and features to ensure safe and reliable performance. This guide provides some tips on how to select the right wiring harness for your vehicle.

Types of Wiring Harnesses

There are many types of wiring harnesses available in the market, each designed for a specific purpose or application. Some of the most common types are:

  • Engine Wiring Harness - This harness connects all the electrical components of the engine, such as the sensors, injectors, ignition system, and fuel pump. It is usually located near the engine compartment and is subject to high temperatures and vibrations.
  • Body Wiring Harness - This harness connects the lights, dashboard, audio system, power windows, and other electrical components in the cabin of the vehicle. It is usually located under the dashboard or along the door frames.
  • Chassis Wiring Harness - This harness connects the various components of the chassis, such as the brakes, steering, suspension, and fuel tank. It is usually located along the frame or under the vehicle.
  • Trailer Wiring Harness - This harness connects the lights, brakes, and other electrical components of a trailer to the vehicle's electrical system. It is usually attached to the rear bumper or hitch of the vehicle.

When selecting a wiring harness, it is essential to choose the right type for your vehicle and application. Using the wrong harness can result in incorrect wiring, damage to electrical components, and unsafe operation.

Quality and Durability

The quality and durability of a wiring harness are vital factors that ensure safe and reliable performance. A high-quality wiring harness should be made of high-grade materials, such as copper wires, brass terminals, and sturdy connectors. It should also be designed to withstand high temperatures, vibrations, and moisture, which are typical conditions in a vehicle's environment.

Poor quality wiring harnesses can lead to several problems, such as intermittent connections, electrical shorts, and increased resistance, which can cause damage to the electrical components, reduced performance, and safety hazards. Therefore, it is essential to select a wiring harness from a reputable manufacturer or supplier that meets the industry standards and has a good reputation for quality and reliability.

Compatibility

The compatibility of a wiring harness is another critical factor to consider when selecting one for your vehicle. A wiring harness should be designed to fit the specific make and model of your car and should be compatible with the electrical components it connects. Mismatched or non-compatible wiring harnesses can result in incorrect wiring, electrical shorts, and malfunctioning devices, which can cause safety hazards and reduce performance.

Therefore, before purchasing a wiring harness, it is essential to check the manufacturer's specifications and ensure that it matches the make, model, and year of your vehicle. It is also vital to check the electrical connections and compatibility with the components, such as the sensors, injectors, ECM, and other devices.

Length and Size

The length and size of a wiring harness are important factors that determine its installation and performance. A harness that is too short or too long can cause installation problems, fitting issues, and inefficient wiring. On the other hand, a harness that is too thin or too thick can lead to reduced performance, high resistance, and safety hazards.

Therefore, when purchasing a wiring harness, it is essential to check the length and size of the wires, connectors, and terminals, and ensure that they match your vehicle's requirements. It is also vital to ensure that the harness is flexible enough to allow for easy installation and routing.

Additional Features

Some wiring harnesses come with additional features that can enhance their performance and functionality. Some of the most common features are:

  • Protection - Some wiring harnesses come with additional protection, such as a braided sleeve, heat shrink tubing, or loom, that can protect the wires, connectors, and terminals from moisture, vibrations, and heat.
  • Fused Circuits - Some harnesses include fused circuits that can protect the electrical components from overloading or short circuits.
  • Connectors - Some harnesses come with pre-installed connectors that can simplify the installation process and reduce the risk of incorrect wiring.
  • Labels - Some harnesses have labels or tags that can indicate the wiring connections and simplify troubleshooting.

When selecting a wiring harness, it is essential to consider these additional features and determine if they are necessary for your vehicle and application. However, it is also vital to note that some features may add to the cost of the harness or require additional installation time and effort.

Cost

The cost of a wiring harness depends on various factors, such as the quality, features, and complexity of the wiring. High-quality wiring harnesses with additional features and protection can be more expensive than basic harnesses. However, it is essential to note that the cost of a harness should not be the primary factor in selecting one. A low-cost or inferior quality harness can result in safety hazards, damage to electrical components, and reduced performance, which can be costly in the long run.

Therefore, it is essential to balance the cost with the quality, compatibility, and features of the harness and ensure that it meets your vehicle's requirements and specifications. It is also vital to compare the prices of different manufacturers and suppliers to ensure that you get the best value for your money.

Installation

The installation of a wiring harness is a crucial aspect that determines its performance and safety. Installing a wiring harness requires technical skills, knowledge, and tools, and it is essential to follow the manufacturer's instructions and guidelines to ensure that the wiring is correct and secure.

Some harnesses may require modifications or adaptations to fit the vehicle, and it is essential to ensure that these modifications are done correctly to avoid safety hazards and malfunctioning devices. It is also important to test the wiring after installation and verify that all the components are working correctly.

Conclusion

A wiring harness is an essential component that connects various electrical components in a vehicle. When selecting a wiring harness, it is essential to consider its quality, compatibility, features, length, size, and installation to ensure safe and reliable performance. Choosing the right wiring harness can prevent malfunctioning devices, reduce safety hazards, and enhance the vehicle's performance.