OURPCB Logo
Custom Wiring Harness Assembly

Custom Wiring Harnesses Built to Your SpecificationPrototype to Production Assembly

Contract manufacturing for custom wire harnesses, cable assemblies, and tested OEM harness builds.

Get a Harness Quote
Prototype to Production
MOQ confirmed per drawing
Dedicated Engineering Team
Free design review
Lead Time
Confirmed at quotation
High-Volume Capable
Custom assemblies

Get Free Quote Instantly

24H Reply | No Obligation

Step 1/2
Your information is secure and will never be shared
Experienced
Engineering Team
Prototype to Volume
Dedicated
Engineering Team
Design Support
ISO 9001
Certified
+ IATF 16949
On-Time
Track Record
Reliable Delivery

High-volume production for clients across multiple industries and countries

Strong on-time delivery track record

Where We Add Value

Custom harness support across demanding industries

Automotive & EV
Battery & powertrain harnesses

Consistent quality as you scale from prototype to series production, with DFM input from our engineering team to help control build cost and reliability.

Medical Devices
Flexible & biocompatible builds

Experience building to ISO 13485 process expectations with medical-grade materials, and professional handling of confidentiality and documentation requirements.

Industrial & Robotics
Reverse engineering welcome

Have only product photos and no drawings? Our reverse-engineering capability plus a 1-unit MOQ make rapid iteration straightforward, with proactive optimisation suggestions along the way.

Trusted by companies across industries

Automotive
Medical Devices
Industrial Automation
Robotics
Consumer Electronics

Your Custom Wire Harness Journey

From concept to delivery in 5 simple steps. We handle the complexity, you get the perfect solution.

1

Submit Requirements

Upload drawings, photos, or just describe your needs. Don't have specs? We'll help you design!

  • Accept sketches, photos, or text descriptions
  • Specify industry and application
  • An engineer follows up during Australian business hours
2

Free Engineering Review

Our dedicated engineering team optimizes your design with DFM analysis and cost-saving recommendations.

  • Design for Manufacturing (DFM) analysis
  • Cost optimization suggestions
  • Alternative material recommendations
  • 3D modeling (if needed)
3

Quote & Sample

Transparent pricing with detailed cost breakdown. MOQ confirmed at quotation.

  • Itemized cost breakdown
  • MOQ confirmed per drawing
  • Sample approval before production
4

Prototype Production

Prototype build with progress updates and electrical testing; lead time confirmed at quotation.

  • Real-time production updates
  • Mid-process inspection photos
  • 100% electrical continuity testing
  • Quality matches production
5

Volume Production

5-7 days production cycle. Price locked, 100% electrical testing, free storage for 3 months.

  • Fast 5-7 day turnaround
  • Quality identical to samples
  • Price lock for 6 months
  • Free warehousing 3 months

Custom Solutions by Industry

Real-world custom wire harness projects across diverse applications

Automotive custom wire harness

Battery Management System Harness

Challenge:

High temperature resistance (150°C) + EMI shielding required

Solution:

PTFE wire + double-layer shielding (braided + foil)

Volume:

Prototype through to high-volume production

Timeline:

Prototype, then recurring production

Common Applications:

Engine wiring harnesses
Dashboard assemblies
Sensor cable assemblies
EV battery packs

What Can We Customize for You?

Unlimited flexibility to match your exact specifications

Connector Customization

  • Brands: Molex, TE, JST, Hirose, JAE, Amphenol, Samtec, Phoenix + 200 more
  • Special treatments: Gold-plated contacts, IP68 waterproof, 250°C high-temp
  • Custom services: Non-standard connector molding, laser-engraved customer logos

Cable Selection

  • Gauges: 14-32 AWG (most common: 16-30 AWG)
  • Materials: PVC, Silicone, PTFE, TPE, PU
  • Colors: 10 standard colors + custom Pantone matching
  • Properties: UL94-V0 flame retardant, oil resistant, UV resistant, LSZH

Special Processes

  • Overmolding: PVC/Silicone/TPU, single or dual-color
  • Shielding: Braided, foil, spiral wrap options
  • Heat shrink: Dual-wall, printed, transparent options
  • Assembly: Crimping, soldering, ultrasonic welding

Technical Specifications Range

Wire Gauge
14-32 AWG
Common: 16-30 AWG
Temperature Range
-40°C to +150°C
Special: up to 250°C
Waterproof Rating
Up to IP68
IP67, IP68 available
Certifications
CE, RoHS, AS/NZS
ISO 9001

Why Work With Us

What you can expect from our custom harness service

MOQ Per Drawing

Minimum order quantity is confirmed per drawing at quotation.

Prototyping

Prototype lead time is confirmed per drawing at quotation.

Free Engineering Support

DFM review and design input from our engineering team.

Fully Customizable

Connectors, cables, overmoulding and shielding to spec.

Reverse Engineering

CAD drawings from photos or samples when you have no drawings.

Warranty Coverage

18-month warranty with free repair or replacement for non-human damage.

Reliable Delivery

Strong on-time delivery track record with real-time progress updates.

Volume Pricing

Tiered pricing that scales as your quantities grow.

Experience custom service built around your project

Get Free Quote Now
Our Commitments

What We Commit To

Clear, specific commitments for your custom project

Quality Guarantee

  • 18-month warranty, Free repair/replacement for non-human damage
  • Sample-production consistency, Free rework if discrepancy
  • 100% electrical testing, Full inspection before shipment
  • ISO 9001 certified Quality management system

Delivery Guarantee

  • Strong on-time track record, Cover shipping for delays
  • Real-time progress updates, Full production tracking
  • Rush service, 7-10 day express
  • Free 3-month storage, Flexible inventory management

Confidentiality & Support

  • Sign NDA, Strong confidentiality record
  • 24-hour response, Reply within business day
  • Free design review, DFM optimization advice
  • No-obligation quote, Exit anytime if unsatisfied

Approve the Sample Before You Commit

If a sample doesn't meet your agreed specification, we provide free rework until it does, before you commit to production. Your success is our success.

Approve before production
Free rework
No hidden fees

Frequently Asked Questions

Common questions about custom wire harness manufacturing

Ready to Start Your Custom Wire Harness Project?

Request your engineering consultation and detailed quote

24-Hour Response
Engineering team replies within 1 business day
Free Design Support
Our engineering team helps optimize your design
No Obligation Quote
Detailed pricing with no commitment required