Harley 4+6Pin TCU Cable
The Harley 4+6Pin TCU Cable is a professional-grade diagnostic and programming adapter specifically designed for Harley-Davidson Transmission Control Modules (TCM). Featuring a precise dual-connector layout (4-pin and 6-pin), this cable interfaces directly with the Harley TCM on the workbench. Constructed with heavy-duty, heat-resistant wiring and gold-plated terminals, it guarantees stable and interference-free data transmission during critical bench operations. This cable is an essential tool for motorcycle technicians, ECU tuners, and locksmiths who need to perform offline diagnostics, TCM cloning, or module replacements without the need to connect to the motorcycle's main wiring harness.
Function
- Enables direct bench reading and writing of TCM EEPROM and Flash memory data.
- Supports TCM cloning, data backup, and virginizing for seamless second-hand module replacements.
- Allows reading and clearing of transmission-related Diagnostic Trouble Codes (DTCs) offline.
- Facilitates custom transmission tuning, shift point adjustments, and RevMatch calibration.
- Performs IMMO (Immobilizer) adaptation and synchronization between the TCM and the motorcycle's ECM.
- Recovers corrupted or “bricked” TCMs by establishing a direct boot-mode communication link.
Supported Car Models
Compatible with Harley-Davidson motorcycles equipped with the RevMax 6-speed or 8-speed transmission system utilizing the 4+6 pin TCM connector, including but not limited to:
- Touring Series: Electra Glide, Road Glide, Road King, Street Glide (2014+ models with RevMax transmission)
- Softail Series: Fat Boy, Heritage Classic, Softail Standard, Breakout (2018+ Milwaukee-Eight models)
- Trike Series: Tri Glide Ultra, Freewheeler
- CVO Series: CVO Limited, CVO Street Glide, CVO Road Glide (2014+ models)
- Other Models: Any Harley-Davidson motorcycle equipped with the RevMax TCM featuring the 4+6 pin connector interface.
