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led residual current

Aaron Harris
Aaron Harris
in Ford Focus Club

Featured Replies

Hi,

I have noticed that on my mk 3 focus st that my fog light led bulb is faintly lighting up even when the car is off (but does drains the power and goes off) and there are no other lights on. I am guessing it’s led residual current. To stop this led from lighting up unless it’s switched on would putting a resistor in parallel stop this?

the bulb fitted is a Auto Beam led. 
 

any help would be much appreciated,

Aaron

  • Quote


    Wire it in series and it should stop the draw 

  • Quote
    • Like 1

    Yes. in series, But I've got that with my non-Ford number plate bulb but I'm just going to live with it. 

  • Quote
    • Author
    On 2/10/2022 at 10:09 PM, Jonro2009 said:

    Wire it in series and it should stop the draw 

    The Bulb is a P21W would these normally be a 21W? So I think I need a 6.8 ohm resistor in series…

    thanks for your help 

    Aaron

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