Trusted by Riders for Nearly 25 Years.
Delivering premium lighting designed for maximum performance, simple installation, and years of dependable riding.
Trusted by Riders for Nearly 25 Years.
Delivering premium lighting designed for maximum performance, simple installation, and years of dependable riding.
Select your ride! Suggested fitment for U.S. models only.
CD-STC-Y
Fitment for U.S. models only, unless otherwise noted.
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Custom Dynamics® SMART Amber/Red LED 1157 Bullet Turn Signals with Controller (sold separately) includes the SMART Turn Signal Controller which feeds selected brake flash/strobe pattern to the rear Amber/Red LED turn signals, ProBEAM® LED Run/Brake TriBar (sold separately) and any 4-wire Custom Dynamics® lighting product which has Squential and/or Dual Color functions.
This plug and play harness works in conjunction with the SMART Turn Signal Controller and Dual Color Amber/Red 1157 rear turn signals to feed brake signal to any 3-wire (red non-sequential) lighting product so that a separate Magic Strobes™ Brake Light Flasher (sold separately) can be installed to provide brake light flash/strobe pattern to those 3-wire products that are otherwise not affected by the SMART Turn Signal Controller.
Warning: Cancer & Reproductive Harm — www.p65warnings.ca.gov
2014-2023 Harley-Davidson® Street Glide (FLHX), Street Glide Special (FLHXS), 2015-2023 Road Glide (FLTRX), Road Glide Special (FLTRXS) and 2017-2025 Road King Special (FLHRXS). Does not fit International or Canadian models.
This product is only required when SMART Amber/Red LED 1157 Bullet Turn Signals with Controller is installed on the motorcycle in conjunction with any Custom Dynamics® 3-wire (red non-sequential) lighting product and Magic Strobes™ Brake Light Flasher (sold separately).
This is NOT required to flash/strobe any Dual Color or Sequential (4-wire) product.

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