Wiring harness designer
Harness Studio
Design wiring harness diagrams in your browser: connectors, pins, wire colours, routing and looms. Free, no sign-up, and your drawings stay on your device.
What it does
- Connector and device blocks with named, coloured pins and tracer stripes
- Automatic orthogonal wire routing with crossing and bend scoring
- Loom grouping and a bundle view
- JSON and SVG export; autosave in your browser
- Interface in English, Русский, 简体中文 and Español
Starter map
Includes a 2023 Light Bee X starter map, derived from the publicly archived Canada X and Light Bee L1E diagrams. It is provisional: check every pin and colour against your own bike before you wire anything.
Use it without leaving the page.
It works best on a desktop screen. Open it full screen.
Questions
Is Harness Studio free?
Yes. It is free to use in your browser with no sign-up.
Where are my drawings saved?
In your own browser. Use Export to save a JSON backup and Import to restore or share a drawing.
Does it include a SURRON wiring diagram?
It includes a provisional 2023 Light Bee X starter map. Verify it against your own bike before wiring.
Is the source code available?
Yes, the source is published for viewing on GitHub at github.com/kevingraehl/harness-studio.