Custom Dynamics® Introduces Redesigned Signal Stabilizer™ and SMART Triple Play® Modules


Smaller Size. Same Trusted Performance.

For decades, Custom Dynamics® has developed innovative motorcycle lighting electronics that help riders improve visibility, functionality, and safety. Two of the most trusted products in our lineup, the Signal Stabilizer™ and SMART Triple Play®, have become staple upgrades for Harley-Davidson® owners looking to maximize the performance of their motorcycle lighting systems.

Now, both products have been completely re-engineered into compact, space-saving designs that are less than half the size of their predecessors, making installation easier than ever while retaining all of the industry-leading technology riders have come to trust.

Designed for Today's Motorcycles

One challenge every motorcycle owner understands is finding room under the seat. As motorcycles continue to integrate more electronics, wiring, communication systems, and accessories, available installation space becomes increasingly limited.

Our engineering team took on that challenge by redesigning two of our most popular electrical modules with a simple goal:

Make them dramatically smaller without sacrificing a single feature.

The result is a new generation of Signal Stabilizer™ and SMART Triple Play® modules that fit more easily into tight installation spaces while delivering the same reliability, functionality, and performance that have made them favorites among riders and installers alike.

Signal Stabilizer™

The Smart Solution for LED Turn Signal Conversions

One of the most common issues riders encounter when upgrading from incandescent bulbs to LEDs is improper turn signal operation. Traditional solutions often rely on power-wasting, heat-generating resistors that simply burn off excess energy to mimic the load of incandescent bulbs.

The Signal Stabilizer™ takes a more advanced approach.

Designed specifically for Harley-Davidson® equipped with motorcycle LED turn signals, the Signal Stabilizer™ restores a smooth, factory-style flash rate without resistors, excessive heat, or unnecessary power consumption.

Why Riders Choose a Signal Stabilizer™

When converting front, rear, or all four turn signals to LEDs, riders need a reliable way to maintain proper turn signal functionality. The Signal Stabilizer™ accomplishes this through Custom Dynamics' proven no-load, no-heat technology.

Key benefits include:

  • Restores proper factory-style turn signal flash rate
  • Supports front, rear, or complete LED turn signal conversions
  • No heat-generating resistors required
  • Recycles up to 90% of power for improved electrical efficiency
  • Compatible with LED or incandescent turn signals
  • Adjustable load settings
  • Alarm-compatible design
  • Waterproof construction
  • Maintains factory 4-way hazard light functionality
  • Plug-and-play installation with OEM-style connectors

Now More Compact Than Ever

The redesigned Signal Stabilizer™ measures just 0.55" H × 1.28" W × 1.88" L. That's less than half the size of the original module, making it significantly easier to conceal beneath the seat while maintaining the same trusted performance.

Backed by Custom Dynamics' Lifetime Product Warranty, it's the same proven technology riders have relied on for years, now in a package that's easier to install than ever before.

SMART Triple Play®

Transform Rear Turn Signals Into Run, Brake & Turn Lights

If the Signal Stabilizer™ helps ensure your LED turn signals function properly, the SMART Triple Play® helps your motorcycle become more visible from behind.

Designed for motorcycles equipped with a center taillight and rear 1156 or two-wire turn signals, the SMART Triple Play® converts rear turn signals into multi-function lights that operate as:

The result is a larger, brighter rear lighting signature that helps increase visibility to surrounding motorists.

More Visibility. More Customization.

What has made the SMART Triple Play® a rider favorite for years is its ability to enhance both safety and personalization.

The module includes:

  • 10 user-selectable brake light strobe and flash patterns
  • Optional steady brake mode
  • Adjustable running light intensity
  • Ability to match rear turn signal brightness to the center taillight
  • Selectable flash activation on center taillight only, rear turns only, or both
  • Built-in short circuit protection
  • Plug-and-play installation

The SMART Difference

The patented SMART Triple Play® technology is engineered to maintain proper turn signal operation even when braking and signaling simultaneously.

Its Smart Function automatically allows the turn signal flash pattern to override brake flashing when needed, helping maintain clear signaling communication to surrounding traffic.

Compact Design. Full Functionality.

Like the Signal Stabilizer™, the SMART Triple Play® has been completely redesigned into a more compact form factor.

The new module measures 2.25" × 2.0" × 0.5". Its slim profile makes installation substantially easier in the confined spaces commonly found beneath today's motorcycle seats.

Despite the smaller size, riders still receive:

  • Full SMART Triple Play® functionality
  • User-selectable programming options
  • Built-in circuit protection
  • Plug-and-play installation
  • Lifetime Warranty
  • U.S. Patent No. 8,588,997 B2 technology

Which Module Do I Need?

Many riders ask about the difference between the Signal Stabilizer™ and SMART Triple Play®.

Choose the Signal Stabilizer™ if:

  • You're converting turn signals from incandescent bulbs to LEDs
  • You need to correct hyper-flash or improper flash rates
  • You want an efficient alternative to load resistors
  • You need a plug-and-play flash-rate correction solution

Choose the SMART Triple Play® if:

  • You want rear turn signals to function as run, brake, and turn lights
  • You're looking to improve rear visibility
  • You want programmable brake flash patterns
  • You want a larger, more attention-grabbing rear lighting signature

Many riders install both products together because they serve different purposes and work hand-in-hand within a comprehensive motorcycle lighting upgrade.

Smaller Modules. Bigger Installation Benefits.

The Signal Stabilizer™ and SMART Triple Play® have remained best-selling Custom Dynamics® products because they solve real-world lighting challenges while delivering unmatched reliability.

Now, with both modules redesigned to be less than half the size of their original versions, riders gain all the benefits they've come to expect with even easier installation and improved packaging flexibility.

Whether you're upgrading to LED turn signals, increasing rear visibility, or building a complete lighting system, these newly redesigned modules continue to provide the performance, safety, and innovation that have made Custom Dynamics® a trusted name in motorcycle lighting.

Ready to Upgrade?

Browse the products featured below and find the perfect fit for your bike.

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