Building the Future of
Harness Design
We're committed to building the best wiring harness design software for automotive professionals. Here's what's available now and what's coming next.
Available Now
Core features that are fully operational and ready to use
Connector Design Library
Select from one of the 1,350+ designs with 5,500+ part numbers or create custom connector designs once, reuse across all harnesses. Save time and ensure consistency.
Device Library
Create reusable device templates with multiple connectors and cavity descriptions. Define ECUs, sensors, and devices once, then import all connectors into any harness with a single click.
Real-Time Connection Validation
Each connection is validated as you work. No need to worry about duplicate pins, invalid wire colors and other connection errors.
Automated Cut Lists & BOMs
Export professional pinout sheets and cut lists with one click. Calculations include branch lengths and your flexible additional lengths for straight lay or concentric twisted harnesses.
Wire Idents System
Color-coded wire identification. Mark wires with up to 5 color bands in 3 locations.
Keyboard-First Design
Built for speed. Navigate and design with keyboard shortcuts. No endless clicking through menus.
Plus These Additional Features
Wire Specifications
Complete wire gauge library with support for AWG, metric and SAE standards.
Secure Cloud Storage
Your designs are automatically backed up and secure in the cloud.
Regular Updates
New features and improvements released regularly based on user feedback.
In Development & Planned
Upcoming features that will be included in your subscription at no additional cost
Visual Designer
IN PROGRESS⚠️ NOT CURRENTLY AVAILABLE - ETA: Early 2026
Our most requested feature. Draw harnesses visually with drag-and-drop. Syncs with your data-driven designs.
Good news: All roadmap features will be included in your subscription at no additional cost when released.
Have a Feature Request?
We're actively building EZ Wire based on feedback from automotive professionals. Your input helps shape the future of harness design software.
Share feature requests in our Facebook Group or contact us via email