headlight sensor

A motorcycle headlamp modulator (or simply headlamp modulator) is an accessory device that oscillates the intensity of a motorcycle headlamp at 240 ±40 cycles per minute (~4 Hz) between approximately 20% and 100% of full intensity. The headlight operates at full intensity 50-70% of the time. United States and Canadian regulations require headlight modulators to include a light sensor that disables modulation when the ambient light level drops below a certain point. When this happens, the headlamps burn steadily.

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  1. J

    Ooops

    Came home in daylight, walked off forgetting to lock car. Later when darkness fell had a neighbour call to say my headlights etc were on. The auto headlight feature had turned them on ! Popped back and locked car. Surprised as I had assumed if you left the car i.e out of keyfob range it would...
    • john1000uk
    • Thread
    • auto headlight auto lock headlight sensor keyfob mgs5 vehicle security
    • Replies: 16
    • Forum: MG MGS5 EV Forum
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