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Built-in LED illuminates the logo pattern in blue
The helmet features an integrated LED indicator that flashes red upon detecting a crash
and tube junctions are keyed to aid in the assembly
Spring-loaded ball bearing adjuster allows for tension adjustment
Uses Stock Slider
Diode Dynamics DRL Warning Canceller (Single) 1999 GMC Sierra 2500 Built-in LED illuminates the logoOverview Some vehicle manufacturers, such as BMW and Audi, use alternating current on new vehicles to extend the lifetime of halogen bulbs. This is also often the case on DRLs, to achieve a lower brightness level during the day. Specifically, this is called Pulse Width Modulation. HID conversion kits require continuous current to operate correctly. If HIDs are installed onto a DRL circuit, the lights will flicker very quickly when the vehicle is