Custom Design & Engineering
Complete harness design and reverse engineering capabilities.
Accelerated Wire Harness Manufacturing
Custom wire harness engineering, design, and manufacturing for every stage of development.
Get to Market Faster with Rapid Prototyping
We understand how critical timing is. Whether you need prototype wire harnesses, wire assembly design, reverse engineering, or partial harnesses, we deliver comprehensive wire harness solutions. For time-sensitive projects, we specialize in rapid-turnaround prototyping and production-level small batches using advanced techniques like ultrasonic splice welding — delivering higher-quality weld joints, better process control, and lower energy usage compared to conventional methods.
Need custom wire harnesses on a tight deadline? Let’s discuss your timeline and specifications.
Small Batch Production
Pre-production harness builds for limited-run quantities.
Prototype Development
Custom wire harness prototypes for testing and validation.
Specialized Techniques
UV laser marking, ultrasonic welding, vinyl braiding, and more.
Custom Wire Harness Solutions for Critical Applications
We engineer, design, and manufacture custom wire harnesses tailored to your exact specifications across industries ranging from aerospace and agriculture to medical devices and military applications. Our Eden Prairie, MN facility combines cutting-edge equipment and a skilled workforce to deliver exceptional quality on projects of any size or complexity. With deep industry expertise in regulatory requirements and real-world operating conditions, we design solutions that deliver the reliability and performance your applications require.
What Sets Us Apart
END-TO-END EXPERTISE
Our teams handle everything from simple looms to complex builds with capabilities including wire cutting, stripping, terminating, braiding, looming, and potting — all tailored to your specs and volume.
UNCOMPROMISING QUALITY
Every harness undergoes quality control, from continuity checks to full functional testing and advanced diagnostics using CableScan systems — ensuring performance, safety, and reliability under real-world conditions.
SMARTER MANUFACTURING
We utilize ultrasonic splice welding, heat shrinking, label wrapping, and laser-printed wire — delivering clean, repeatable results with minimized energy use and maximum consistency. Have a custom process or unique requirement? Let’s talk.
Real-World Applications
MOBILITY & MANUFACTURING
From OEM manufacturing to automotive, utility vehicles, and power sport vehicles, we support low-volume production with reliable, scalable harness solutions that prioritize performance and efficiency.
CRITICAL SYSTEMS & REGULATED INDUSTRIES
We understand the rigorous standards of aerospace, military, medical, oil & gas, and telecommunications applications — designing harnesses that are robust, compliant, and built to endure.
INNOVATION & INDUSTRIAL APPLICATIONS
We offer flexible solutions for industrial equipment, robotics, agriculture, and custom new product development that meet complex routing requirements, emerging technologies, and evolving form factors.
Request a Sample Wire Harness
Considering us for your next project? Request a sample harness to evaluate our build quality and performance standards. Complimentary samples available with no strings attached – see the difference for yourself.
Articles & Case Studies
Benefits of Rapid Turnaround in Wire Harness Prototyping
RFA provides comprehensive electrical harness design and manufacturing services, offering clients custom-made harnesses from concept through production, including component selection, engineering support, and quality testing to meet project requirements.
Improve Efficiencies with Custom Wire Harness Design and Prototyping
RFA provides comprehensive electrical harness design and manufacturing services, offering clients custom-made harnesses from concept through production, including component selection, engineering support, and quality testing to meet project requirements.
Electronic Control Systems Integration
RFA provides comprehensive electrical harness design and manufacturing services, offering clients custom-made harnesses from concept through production, including component selection, engineering support, and quality testing to meet project requirements.
Looking for a Wire Harness Partner You Can Count On?
Our team is ready to discuss your project requirements and deliver results that exceed expectations.