Custom Manufacturing

Get the right fit, the first time.

One-off custom manufacturing
Large volume & bulk product
Small volume production
Design and prototyping

We design and manufacture quality wiring harnesses right here in our Brisbane factory, with fast turnaround and full custom capability. Whether you need a one-off harness or bulk production, we deliver solutions that reduce downtime, improve productivity, and meet OEM standards without the OEM wait

Built for Your Business

Every build is different. That’s why we offer full custom wiring harness manufacturing to suit your specific machinery, equipment, and systems. Whether you're working in mining, earthmoving, fleet transport, defence, or with specialised vehicles – we create harnesses that work as hard as you do.

From early-stage design and prototyping through to high-volume production, we tailor each harness to your technical and environmental needs. We use only quality materials, and all products are manufactured in our Brisbane facility — with no overseas delays.

If you haven’t already, it’s time to discover the WHA difference.

Ask us for a quote
Custom wiring harnesses
Bulk runs or single one off jobs

One-Off or Bulk Runs? No Problem.

We cater to any order size:

  • One-off custom harnesses for repairs, rebuilds, and prototypes
  • Small volume production for specialised vehicles and limited runs
  • Large volume and bulk supply for OEMs and repeat-use applications

Whatever the job, you can expect accurate fitment, solid performance, and a fast, reliable turnaround.

Our priority is keeping your machines running and helping you maintain productivity.

Call our team 1300 001 942

Australian Made. Held to Higher Standards.

Our local Brisbane production means you get fast, dependable service without compromise on quality. We use industry-grade tools, tested components, and manufacturing machinery sourced from global leaders – meeting the standards required for defence, heavy equipment, and transport applications.

Every harness is built to spec, with our in-house team ensuring your product arrives ready to install and built to last.

Ask us for a quote
Customised Printing on wiring harnesses, your colours, your brand

Tested, Certified and Trusted

Before any harness leaves our site, it goes through a full electronic test using our advanced diagnostics system. Each wire and connector is checked for:

  • Continuity
  • Resistance
  • Capacitance
  • Diode polarity
  • Voltage
Testing wiring harnesses
Testing wiring harnesses

We generate a test certificate with each harness and provide full quality documentation if required. This level of testing ensures your harness performs from day one – saving you the time, cost, and frustration of rework or failure on site.

Our priority is keeping your machines running and helping you maintain productivity.

Call our team 1300 001 942

Designed to Suit Your Needs

We understand the pressure to keep machines moving and fleets working. Our custom manufacturing process is flexible, fast, and focused on delivering harnesses that solve real-world problems. Whether you need to match an OEM product, improve on a poor original, or create something entirely new – we’re ready.

Let’s talk about your next project – we can help you get started

Ask us for a quote
Custom wiring
Wiring Harnesses Australia
Get top quality wiring harnesses
without the hassle

Start with a quick, obligation-free quote.