Aaron Harris Posted February 10, 2022 Share Posted February 10, 2022 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 Link to comment Share on other sites More sharing options...
Jonro2009 Posted February 10, 2022 Share Posted February 10, 2022 Wire it in series and it should stop the draw 1 Quote Link to comment Share on other sites More sharing options...
alanfp Posted February 10, 2022 Share Posted February 10, 2022 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 Link to comment Share on other sites More sharing options...
Aaron Harris Posted February 11, 2022 Author Share Posted February 11, 2022 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 Quote Link to comment Share on other sites More sharing options...
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