ThunderMax USB Pigtail Harness for ECM Auto Tune System
Spend less time tearing into your bike and more time on the road. This pigtail harness takes the hassle out of ECM tuning sessions on custom builds and cramped motor bays, letting you plug in and get to work without the frustration of pulling covers or fighting for access. Whether you’re dialing in a fresh tune or troubleshooting on the fly, it keeps your workflow clean and your build intact.
Key Features
- Extends USB port access on hard-to-reach ThunderMax ECM installations without requiring cover removal
- Provides a second port for a communication cable connection to the ThunderMax ECM
- Ideal for custom motorcycle builds where ECM access is obstructed or difficult to reach
- Recommended for Harley-Davidson models with restricted clearance around the ECM, including Dyna, Softail Rocker, and 2002–2005 V-Rod platforms
- Made in the USA
Technical Specifications
- Compatibility: ThunderMax ECM Auto Tune System
- Function: USB port extension pigtail for ECM communication cable access
- Country of Origin: USA
Fitment Notes
- Designed for use with the ThunderMax ECM Auto Tune System — not a direct vehicle fitment part
- Particularly beneficial on Harley-Davidson Dyna, Softail Rocker, and 2002–2005 V-Rod models, where ECM clearance is restricted
- Review the Fitment tab for complete application and compatibility details
