harness.design icon
harness.design icon

harness.design

harness.design is a web-based CAD tool for designing wire harnesses, built for home builders, garage fabricators, professional wiring shops, race teams, and anyone else who needs to design and document a harness.

Schematic and Layout

Cost / License

  • Free
  • Proprietary

Platforms

  • Online

Features

Properties

  1.  Lightweight

Features

  1.  Ad-free
  2.  Cloud Sync
  3.  Dark Mode
  4.  Web-Based

harness.design News & Activities

Highlights All activities

Recent activities

  • April 2026
  • L
    Lightweight given a feature
  • harness.design icon
    AWildChance liked this
  • March 2026
  • harness.design icon
    samuelblok added this app
  • RapidHarness iconHarnWare icon
    RapidHarness and HarnWare named as an alternative by samuelblok

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What is harness.design?

harness.design is a web-based CAD tool for designing wire harnesses, built for home builders, garage fabricators, professional wiring shops, race teams, and anyone else who needs to design and document a harness.

It's fast and visual by design. Instead of filling out tables or clicking through complex menus, you work directly on the canvas, dragging, connecting, and arranging your harness interactively. The result is a clean, readable design you can produce in a fraction of the time, whether you're rewiring a classic car, building a competition harness, producing looms for clients, or wiring anything from a boat to a small aircraft.

Being fully web-based means there's nothing to install. Just open a browser and start designing.

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