- Installation Video: New L.E.D. turn signals for Harley-Davidson Motorcycles. Custom Dynamics Genesis 4 Halo Free September 15, 2020 13:37 Updated New L.E.D. turn signals for Harley-Davidson Motorcycles. Custom Dynamics Genesis 4 Halo Free Related articles - Installation Video: Custom Dynamics Genesis LED front Signals - Troubleshooting: BCM Turn Signal Sync - Installation Video: PB-AW-1157 HARLEY DAVIDSON LED PROBEAM INSTALL & REVIEW - Installation Video: Custom Dynamics Genesis 4 LED Inserts. Install & Overview - CanBUS Harley-Davidson Rapid Turn Signal Indicator Flash