Custom Wire Harness Manufacturer

At Ouketech, we specialize in providing high-quality, custom wire harnesses and assemblies that are designed to meet the unique requirements of your applications. With over 15 years of experience in the wire harness industry, we offer comprehensive solutions for industries such as automotive, medical devices, aerospace, telecommunications, military, and more. Whether you need simple wire harnesses or complex assemblies with multiple components, Ouketech ensures the highest standards of quality and precision.

Our Advantages

Why Choose OUKETECH for Custom Wire Harness Solutions

We provide efficient, professional, and customized wire harness services, meeting industry needs with exceptional quality and on-time delivery.

Professional Experience

15 years of OEM/ODM production experience; customers include Siemens, Amphenol, Bosch, and other world-top brands.

Efficient Production

5000㎡ modern factory with automated equipment ensuring fast delivery.

Strict Quality Control

100% product inspection to ensure the reliability of each wire harness.

Custom Solutions

Offering tailored design and manufacturing services based on customer requirements

Certifications

Certified with international quality management standards such as ISO9001 ISO13485 and IATF16949.

Flexible Production Capacity

Supporting both large and small volume custom production to meet diverse customer needs

Precise Delivery

Optimizing production processes to ensure on-time delivery, reducing customer wait times

Global Customer Support

Offering 24/7 technical support to address customer needs at every stage

Experienced team

Our skilled engineers can quickly process orders from concept to drawing to wiring to final mechanical assembly

Competitive price

Customized wiring harnesses are of the best quality at the best price.

High-quality after-sales service

We provide comprehensive after-sales support to help customers resolve any issues they encounter while using our products, ensuring customer satisfaction.

Advanced Equipment

Equipped with advanced automated production equipment to improve production efficiency and product precision.

Our capability to customize wire harnesses.

Our wire harness customization capabilities include a wide range of professional services, allowing us to provide precise solutions tailored to our customers’ specific needs.

01

-65°C (-85°F) to 250°C (482°F)

 

02

0 to 600 volts or 3000 volts (military)

03

Based on your requirements, we offer a variety of insulating materials:

  • Polyvinyl Chloride(PVC)
  • Cross-Linked Polyethylene(XLPE )
  • Polytetrafluoroethylene(PTFE)
  • Silicone
  • Rubber
  • Nylon
  • Polyimide (PI)
  • Fluorinated Ethylene Propylene(FEP)
  • Polypropylene (PP)
  • Polyurethane (PU)
  • Polyethylene(PE)
  • Ethylene Propylene Rubber(EPR)
  • Polytetrafluoroethylene(PTFE)
  •  Perfluoroalkoxy(PFA)
  • Chlorinated Polyethylene(CPE )

04

Based on your needs, we offer various types of protection:

  • Waterproof Protection
  • Dustproof Protection
  • EMI Protection
  • High-Temperature Protection
  • Low-Temperature Protection
  • Chemical Corrosion Protection
  • Abrasion Resistance Protection
  • Impact and Vibration Protection
  • Flame Retardant Protection
  • Connector Protection
  • ESD Protection

05

Based on your needs, we offer a variety of filling materials:

  • Filler Cotton
  • Gel Filler
  • Foam Material
  • Harness Filling Resin
  • Fibrous Fillers
  • Aluminum Foil Filling
  • Paper, nylon, and polypropylene

     

06

IPC/WHMA-A-620, military, UL,IATF 16949, ISO 9001, and ISO 13485:2016. and other applicable standards

 

Custom Wire Harness Solutions | Explore Our Product Categories

Explore our collection of custom wire harnesses designed to meet the unique needs of various industries and applications. Whether you’re looking for automotive, medical, industrial, or electronic wire harnesses, we offer professional design and precise manufacturing services to ensure a perfect match for your equipment requirements.

  • Diverse Selection: Offering a wide range of wire harnesses to meet the needs of multiple industries.
  • Tailored Services: Custom designs and manufacturing services to meet your exact specifications.
  • High-Quality Standards: Strict quality control processes to ensure performance and reliability.

Browse through our product categories to find the perfect custom wire harness solution for your needs!

wire harness

Electronic Wire Harness

In consumer electronics, wire harnesses are used in smartphones, laptops, home appliances, and entertainment systems. These harnesses are designed for compactness and efficiency, ensuring reliable connections in space-constrained devices.

Custom wire harnesses used in the automotive industry are designed to handle high vibrations, temperature extremes, and harsh environments. They are critical in powering electrical systems, sensors, lighting, and infotainment.

Aerospace Wiring Harnesses

Aerospace wire harnesses are engineered to meet stringent industry standards, offering high performance in extreme conditions such as high altitudes and fluctuating temperatures. These are used in avionics, flight control, and communication systems.

Marine Wiring Harnesses

Marine wire harnesses are specially designed to endure harsh marine environments, including exposure to saltwater, moisture, and extreme temperatures. These harnesses are used in boats, yachts, and offshore equipment.

Medical device wire harnesses must meet strict safety and performance standards to ensure reliability in critical medical applications such as diagnostic equipment, monitoring systems, and life-saving devices.

Military Wire Harness

Wire harnesses used in military and defense applications are designed to operate under the harshest conditions, providing reliable connections for weapons systems, communication, and surveillance equipment

Industrial wire harnesses are used in manufacturing machinery, robotics, automation systems, and heavy-duty equipment. These harnesses must handle high power levels and withstand vibrations, wear, and environmental factors.

OEM / ODM Wiring Harness

Custom-designed wiring harnesses tailored to original equipment manufacturers (OEM) and original design manufacturers (ODM), ensuring precise fit and optimal performance for various applications.

Solar Wire Harness

Designed for solar power systems, these harnesses connect panels, inverters, and batteries, ensuring efficient energy transmission and durability in outdoor conditions.

Key Considerations for Custom Wire Harness Design and Manufacturing

There are many details to consider during the custom wire harness manufacturing process to ensure the final product meets requirements and operates reliably. Here are some key details.

 

1. Clarify Requirements and Design Specifications

  • Functional Requirements: Ensure you understand the specific use and environmental conditions (e.g., temperature, humidity, vibration) the wire harness will face.

  • Electrical Requirements: Pay attention to voltage, power, signal type, grounding, etc., especially in high-voltage or high-frequency applications.

  • Size and Layout: Accurate dimensions and connector layouts are crucial for ensuring the harness fits perfectly with the equipment.

  • Connector Types and Materials: Select the appropriate connectors, terminals, plugs, etc., to ensure secure and reliable connections.

2. Wire Material Selection

  • Conductor Materials: Common conductor materials include copper, tinned copper, aluminum, etc. Choose based on the required electrical conductivity, corrosion resistance, and other factors.

  • Insulation Materials: Choose the right insulation materials such as PVC, Teflon, silicone, etc., depending on factors like temperature tolerance, chemical resistance, and mechanical strength.

  • Sheath Materials: For protection, select materials that are resistant to wear, UV radiation, oil, and other environmental factors.

3. Wire Length and Routing

  • Length Precision: Ensure the length of each wire is precisely tailored to meet the design requirements or specific needs of the application.

  • Routing: The wiring should be routed logically to avoid unnecessary twists, bends, or entanglements. This ensures signal integrity and reduces the risk of power loss or damage.

  • Wire Marking: Add labels to wires if needed to indicate their function, connection method, or other important information, making installation and maintenance easier.

4. Terminals and Connectors

  • Terminal Types: Choose appropriate terminal types (e.g., plugs, sockets, terminal blocks) based on the device’s interface. Pay attention to materials and corrosion resistance.

  • Connection Security: Ensure that all connections are secure to prevent loosening due to vibration, thermal expansion, or other forces.

5. Shielding and Anti-Interference

  • In applications requiring electromagnetic (EMI) or radio-frequency interference (RFI) protection, use shielding (e.g., foil shielding, braided shielding) to ensure signal clarity and stable device performance.

6. Wire Harness Flexibility and Durability

  • For high-vibration applications, ensure the wire harness is designed with sufficient flexibility to avoid fatigue failure.

  • Perform durability testing to ensure the harness can withstand long-term use and mechanical stretching.

7. Environmental Adaptability

  • Temperature Resistance: Choose materials that can withstand high or low-temperature environments, depending on the application.

  • Waterproof and Corrosion Resistance: For use in damp or harsh environments, ensure the harness is protected with sealed connectors, rubber grommets, or other protective measures.

8. Quality Control and Testing

  • Electrical Performance Testing: Each wire harness should undergo electrical testing, such as continuity, insulation resistance, and voltage testing.

  • Mechanical Testing: Perform mechanical tests such as pull testing, bending tests, and vibration resistance to ensure the harness will perform well under real-world conditions.

  • Environmental Testing: Conduct tests such as high/low-temperature exposure, humidity, and salt spray tests to validate the harness’s performance in harsh conditions.

9. Certifications and Compliance

  • Depending on the application (e.g., automotive, medical, aerospace), ensure that the wire harnesses comply with relevant industry standards and certifications.

10. Delivery and After-Support

  • Packaging: Proper packaging ensures the wire harnesses are protected during transport and easy to install.

11. Cost Control

  • Material Optimization: Select materials based on functionality and application requirements to avoid overdesigning or using unnecessary expensive materials.

Custom wiring harnesses

The Multiple Advantages of Using Custom Wire Harnesses

Enhance safety, performance, reliability, and achieve higher production efficiency and cost-effectiveness with custom wire harnesses.

 

Enhanced Safety

Custom wire harnesses provide stable electrical connections, reducing the risk of poor contact and short circuits, ensuring the safety of electrical systems

Simplified Installation and Maintenance

Custom wire harnesses are designed specifically for devices, with clear connections, making installation easier and maintenance simpler by easily identifying and fixing issues.

Improved Product Performance

Custom wire harnesses optimize current transmission efficiency according to different application needs, reducing energy loss and improving device performance.

Space and Cost Savings

Custom wire harnesses optimize layout, reducing unnecessary cables and connectors, saving space inside the device and lowering production and installation costs

Increased Product Reliability

Custom wire harnesses use high-quality materials and precise manufacturing processes, ensuring the stability and long-term reliability of electrical connections, reducing failure rates.

Flexibility and Customizability

Custom wire harnesses can be tailored in size, shape, length, and connection methods according to specific requirements, offering bespoke solutions to meet diverse application needs

Wire Harness Manufacturing Process

1、Wire Cutting and Stripping

Wire Cutting: First, according to the design requirements, use an automatic cutting machine or manual cutting tools to cut the cables to the required length. The cutting length should be determined according to the drawings and actual needs, and cut to the specified length.

Stripping: At both ends of the cut cable, use an automatic stripping machine or manual tools to remove the insulation layer, exposing the copper wire. The stripping length needs to be determined according to the terminal requirements.

2、Terminal Crimping

Use a crimping machine to fix the terminals to the stripped ends of the wires. When crimping the terminals, ensure that the crimping point is firm and not loose, and that the crimping area has good contact with the wire surface to avoid current loss or overheating, and to withstand the specified current and environmental conditions.

3、Wire Harness Assembly

According to the design drawings, arrange multiple wire harnesses in a specific wiring pattern. For longer or more complex wire harnesses, multiple connection points such as branches and connectors may be involved. Precisely arrange the path of each wire, avoiding crossing, overlapping, or interference. Use cable ties, braided sleeves, heat shrink tubing, and other tools to neatly organize the wire harness and ensure that there is no friction or interference between the wire harnesses.

4、Insulation and Protection

Heat Shrink Tubing Application: In some areas requiring protection, such as connectors, bare wires, or terminals, use heat shrink tubing for wrapping. After heating, the heat shrink tubing will tightly wrap around the area, providing protection, insulation, and sealing.

Cable Braided Sleeving: For wire harnesses requiring extra protection, braided sleeving can be used to provide additional mechanical protection against wear and tear.

Sheathing or Casing: For special applications, protective layers such as rubber sheaths or PVC pipes may be needed to prevent damage to the wire harness or damage caused by external environmental factors (such as water, oil, chemicals, etc.).

5、Wire Harness Bundling and Fixing

Bundling: According to customer needs, organize the wire harness into a compact or loose structure. Use cable ties, tape, or ropes for fixing to ensure that the wire harness does not unravel or interfere with other components.

Wire Harness Identification: Use labels or color codes to identify each wire harness, ensuring clear differentiation between different wire harnesses for easy installation and maintenance. 6. Connector and Accessory Installation

6、Connector and Accessory Installation

Plug and Socket Installation: For wire harnesses with plugs or sockets, the plugs and sockets need to be connected to the wire harness, ensuring easy insertion and removal and a secure connection.

Other Accessories: Depending on the design requirements, other accessories such as terminals and cable kits may need to be installed to ensure the complete functionality of the wire harness.

7、Quality Inspection and Testing

Electrical Testing: We conduct electrical testing on each wire harness to ensure that current flows smoothly and to check for short circuits, open circuits, or poor contact.

Test Items: Including resistance testing, conductivity testing, voltage withstand testing, and current carrying capacity testing.

Mechanical Testing: Testing the tensile strength, bending resistance, and wear resistance of the wire harness to ensure it can withstand stretching and friction during actual use.

Environmental Testing: Depending on the application scenario, environmental adaptability tests are conducted, including high temperature, low temperature, humidity, and UV irradiation tests, to ensure the stability of the wire harness in various harsh environments.

8、Packaging and Delivery

Packaging: We package the wire harnesses according to customer requirements, using anti-static bags, foam packaging, or cardboard boxes to protect the wire harnesses from damage during transportation.

Delivery Labeling: Ensure that each package is clearly marked with the product model, quantity, customer information, etc., for easy transportation and tracking.

Shipping Arrangements: Arrange appropriate transportation methods (such as express delivery, sea freight, air freight, etc.) according to customer needs to ensure timely delivery.

9、After-Sales Service

Installation Guidance and Support: We provide customers with installation guidance for wire harnesses, helping them to correctly use and install the products.

After-Sales Tracking and Feedback: Regularly communicate with customers to understand product usage, collect feedback, ensure customer satisfaction, and optimize and improve based on feedback.

You can easily request a quote by filling out the contact form on our website or sending us your project specifications. We’ll review your requirements and provide a competitive quote for your custom wire harnesses.

Yes! Our team of experienced engineers can assist with designing your custom wire harness to meet your specific needs. We will collaborate with you to ensure that the design is functional, efficient, and cost-effective.

Yes, every custom wire harness we produce undergoes thorough electrical testing to ensure it meets the required performance standards. We perform continuity testing, high-voltage testing, and other tests to ensure the harness functions properly.

We use high-quality materials to manufacture our custom wire harnesses, including:

  • Wires of various gauges

  • Connectors (Molex, JST, Delphi, etc.)

  • Insulating materials like PVC, Teflon, and silicone

  • Protective coatings such as nylon braiding and PVC sheathing

Space Efficiency: Custom wire harnesses are designed to optimize space, making your electrical systems more organized and compact.

Enhanced Durability: Our wire harnesses are built to withstand environmental factors such as heat, moisture, and vibration.

Improved Safety: With precise design and quality control, custom wire harnesses reduce the risk of wiring errors, enhancing the overall safety of your system.

Even if you don’t have an official drawing, we can provide a quote based on your specifications. You can send photos, samples or a basic description. To help us quote accurately, please provide the following information:

  • Wire length and wire type
  • Connector type or part number
  • Quantity
  • Any special requirements (e.g., shielding, labeling, overmolding)

You can submit your request through our website or email our sales team directly.

Send Your Inquiry Today

Send Your Inquiry Today