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. Jomarkh

    Auto lights MG5 LR PFL

    Why are the auto lights on my MG5 LR PFl the first to go off travelling to work on the motorway and the last to come on on my journey home compared with every other car? My MG5 SR PFl however turns the lights on even if it's overcast and rarely turns them off again.
    • Jomarkh
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    • auto lights headlight sensor lighting system long range mg5 prefacelift standard range
    • Replies: 8
    • Forum: MG5 EV Forum
  2. 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: 20
    • Forum: MG MGS5 EV Forum
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