NAMZ Throttle-By-Wire Extension Harness 12 Inch for 2008-2015 Harley-Davidson FL Touring
Taller handlebars on a TBW-equipped Touring bike demand more than just longer switch harnesses — the throttle-by-wire circuit needs proper extension too, and skipping it puts the entire ride at risk. This kit handles that critical piece of the job, keeping the electronic throttle system operating exactly as intended without compromising the motorcycle’s ECM or ride-by-wire calibration.
Key Features
- Designed and tested specifically for use with the Harley-Davidson Electronic Throttle Control (TBW) system — no harm or interference to the motorcycle’s ECM or CAN bus
- OEM color-coded wires for straightforward, accurate terminal-to-terminal connection during installation
- Factory pins pre-installed; connects by transferring OEM connector pins into the extension harness before re-seating the OEM connector
- Includes color-coded wires and heat shrink tubing for a clean, protected finished install
- Must be used in addition to the NAMZ NHCX-MB series standard handlebar switch extension — this kit covers the TBW circuit only
- Made in the U.S.A.
Technical Specifications
- Extension Length: 12 inches
- Terminal Type: Factory pins pre-installed; terminal-to-terminal connection method
- Wire Type: OEM color-coded
- Heat Shrink Included: Yes
- System Compatibility: Harley-Davidson Electronic Throttle Control (TBW/ETC)
- Country of Origin: United States
Fitment Notes
- Fits 2008-2015 Harley-Davidson FL Touring (Bagger) models equipped with Electronic Throttle Control (TBW), including Street Glide, Road Glide, Road King, Electra Glide/Ultra, and Tri-Glide Trike variants
- This is a supplemental kit — the NAMZ NHCX-MB series standard handlebar switch extension must also be purchased separately for a complete handlebar swap installation
- Installation requires removal of the OEM TBW connector pins; pins are transferred into the extension harness before the OEM connector is re-seated — this is not a plug-and-play process
- Tri-Glide Trike (FLHTCUTG) models additionally require the NAMZ Reverse Harness Extension, sold separately
- Models with hardwired (non-connector) TBW harnesses are not compatible
- For 2016-up TBW-equipped Touring models, see the NAMZ NTBW-J series
- Review the Fitment tab for the complete year and model breakdown
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