Center Module - Brake Light - Harley Davidson Allows installation of a center brake light on choppers and custom bikes when used with Thunder Heart’s Micro Harness Controller part # 2120-0023, Compatible with LED and incandescent bulbs, Solid-state construction, fully...

Electronic Harness Controller Allows a dual-filament bulb to be used in three ways: tail, brake and turn signal (excluding the need for a center brake light); includes ribbon cable for integrating generic indicator lights, Performs all fuse, relay and signal-canceling...

Micro Harness Controller Performs all fuse, relay (includes starter relay) and signal-canceling functions in one simple package, Provides multiple flasher combinations (signal canceling, hazard lights, running lights and turn signal) from one dual-filament bulb, Billet 6061 T-6 aluminum housing and...

Micro Harness Controller Performs all fuse, relay (includes starter relay) and signal-canceling functions in one simple package, Provides multiple flasher combinations (signal canceling, hazard lights, running lights and turn signal) from one dual-filament bulb, Billet 6061 T-6 aluminum housing and...

Push Button Converter - Harley Davidson Convenient way to wire up push-button hand control switches, Takes momentary signal from a push-button hand control switch and converts it to a standard "latching" signal, Design is fully circuit-protected and has no relays...

ThunderMax Engine Control Module Kit with Integral Auto Tune - '14-'17 Softail Includes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Quick-Start Easy Install and Comprehensive User's Manual, technical support and...

ThunderMax Engine Control Module Kit with Integral Auto Tune - '21-'24 Softail Includes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Quick-Start Easy Install and Comprehensive User's Manual, technical support and...

ThunderMax Engine Control Module Kit with Integral Auto Tune - '21-'24 Touring Includes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Quick-Start Easy Install and Comprehensive User's Manual, technical support and...

Transmission Speedometer Sensor Chrome billet sensor, Includes OEM Deutsch connector, Made in the USA