Custom Wire Harness Assembler
Contract wire harness assembly for OEM programs from prototype to repeat production. IATF 16949 and ISO 13485 certified systems with no minimum order quantity and 48-hour prototyping options.

Your Wire Harness Assembly Partner
As a contract wire harness assembler, we combine engineering review with controlled manufacturing capabilities to deliver custom wire harness assemblies against your released drawing and BOM. Our wire harness manufacturing facilities support prototype builds, first articles, and repeat production.
Dual Factory
China & Philippines wire harness production
48-Hour Prototype
Rapid wire harness prototyping
Certified Quality
No MOQ
No minimum order required
Wire Harness Types & Solutions
We manufacture a comprehensive range of wire harness types designed for specific performance requirements and environmental conditions. Each wire harness is custom engineered for your application.
Waterproof Wire Harness
IP67/IP68 rated wire harness assemblies designed for outdoor and harsh environment applications with sealed connectors
Learn MoreHigh Voltage Wire Harness
High voltage wire harness for EV battery systems, charging stations, and high power applications up to 1000V DC
Learn MoreShielded Wire Harness
EMI shielded wire harness with braided or foil shielding for electromagnetic interference protection in sensitive electronics
Learn MoreHigh Flex Wire Harness
Continuous flex wire harness designed for robotics, motion control systems, and applications requiring repeated bending cycles
Learn MoreAutomotive Wire Harness
IATF 16949 certified automotive wire harness for ECU, sensors, infotainment, and vehicle electrical systems
Learn MoreMedical Wire Harness
ISO 13485 compliant medical device wire harness for diagnostic equipment, patient monitors, and surgical systems
Learn MorePrecision Wiring Harness
Tight-tolerance wire harness builds with repeatable routing, FAI control, and traceability
Learn MorePower Tool Wire Harness
Compact battery, trigger, motor, and charger harnesses for cordless tools and handheld equipment
Learn MoreWire Harness Industry Applications
Our wire harness manufacturing expertise spans across multiple industries, delivering specialized wire harness solutions for demanding applications.

Automotive Wire Harness
ECU, sensors, infotainment, and EV battery wire harness systems

Medical Device Wire Harness
Diagnostic equipment, patient monitors, surgical wire harness systems

Industrial Wire Harness
Automation, control panels, heavy machinery wire harness

Robotics Wire Harness
Robotic arms, motion systems, automation wire harness
Wire Harness Manufacturing Process
Our streamlined wire harness assembly process controls quality from design review to production release.
Design Review
Wire harness DFM analysis
Prototyping
48-hour wire harness samples
Validation
Wire harness testing
Production
Scalable wire harness manufacturing
Quality Check
100% electrical testing
Delivery
On-time global shipping
Advanced Wire Harness Production
Our wire harness manufacturing facilities feature advanced equipment and skilled technicians to deliver wire harness assemblies that meet the highest quality standards. We offer comprehensive wire harness manufacturing capabilities including:
- Automatic wire cutting and stripping for wire harness production
- Double-end terminal crimping for wire harness connectors
- Ultrasonic welding and precision soldering
- Wire harness overmolding and potting services
- 100% electrical continuity testing for all wire harness
- Hi-pot and insulation resistance testing
- Environmental testing for wire harness durability
- Custom wire harness test jig development
Wire Harness Technical Specifications
Professional Wire Harness Manufacturing Services
As a contract wire harness assembler, OurPCB specializes in building custom wire harness assemblies for a wide range of industries. Our wire harness manufacturing capabilities include everything from simple two-wire harness assemblies to complex multi-circuit wire harness systems with many terminations.
Every wire harness we manufacture undergoes rigorous quality control processes in accordance with our IATF 16949 and ISO 13485 certifications. Our wire harness production facilities in China and the Philippines enable us to offer competitive pricing while maintaining the highest standards of wire harness quality.
Whether you need automotive wire harness for vehicle electrical systems, medical wire harness for healthcare devices, or industrial wire harness for manufacturing equipment, our experienced wire harness engineering team can develop custom solutions tailored to your specific requirements. We also produce specialized trailer wire harness, motorcycle wire harness, dashboard wire harness, door wire harness, power wire harness, and data wire harness assemblies for OEM and aftermarket applications.
Our wire harness manufacturing services include rapid prototyping with 48-hour turnaround, design for manufacturing (DFM) support, precision wiring harness builds for tight-tolerance applications, and full-scale wire harness production. With no minimum order quantity, we serve everyone from startups developing their first wire harness prototypes to large OEMs requiring high-volume wire harness production.
Wire Harness Manufacturing FAQ
A wire harness is a systematic arrangement of wires, terminals, and connectors that transmits electrical power and signals throughout a system. While cable assemblies typically involve a single cable with connectors at each end, wire harnesses integrate multiple wires bound together with tapes, sleeves, conduit, or braiding for organized routing in complex systems like vehicles, medical devices, or industrial equipment. Wire harness manufacturing requires specialized expertise in wire routing, termination, and testing.
We have no minimum order quantity (MOQ) for wire harness manufacturing. Whether you need a single prototype wire harness or planned production releases, we can support your requirements. This flexibility makes us a practical wire harness assembler for startups, established OEMs, and everyone in between.
Our China wire harness manufacturing facility offers 48-hour rapid prototyping for standard wire harness designs. Complex wire harnesses with custom tooling or specialized connectors may require 5-7 business days. We also offer expedited wire harness prototype services for urgent projects that need even faster turnaround.
Our wire harness manufacturing facilities are certified to IATF 16949 (automotive quality), ISO 13485 (medical devices), ISO 9001 (quality management), and maintain IPC/WHMA-A-620 workmanship standards. We can build with specified UL-rated wire, safety-rated components, and RoHS-compliant material requirements where the customer drawing calls for them.
Yes, our wire harness engineering team provides comprehensive design support including DFM (Design for Manufacturing) review, wire gauge optimization, connector selection, routing recommendations, and thermal analysis. We help optimize your wire harness design for manufacturability, reliability, and cost-effectiveness before production begins.
Related Wire Harness Assemblies & Services
Cable Assembly
Custom cable assembly manufacturing
ServicesRapid Prototyping
48-hour wire harness prototype
ServicesDesign Support
Wire harness DFM review
CapabilitiesQuality Testing
Wire harness testing services
CertificationsIATF 16949
Automotive wire harness certification
CertificationsISO 13485
Medical wire harness certification
AssembliesTrailer Wire Harness
Custom trailer wiring solutions
AssembliesMotorcycle Wire Harness
OEM & aftermarket motorcycle harness
AssembliesPrecision Wiring Harness
Tight-tolerance builds with FAI control
AssembliesDashboard Wire Harness
Instrument panel wiring assemblies
AssembliesData Wire Harness
Signal & data transmission harness
AssembliesPower Wire Harness
Power distribution wire harness
AssembliesDoor Wire Harness
Vehicle door wiring assemblies
AssembliesPower Tool Wire Harness
Compact tool battery and trigger wiring
Start Your Wire Harness Project Today
Get a detailed wire harness quote within 24 hours. Our wire harness engineering team is ready to support your project from concept to production.