# Any 12vDC electronic gurus here?

**URL:** <https://forums.speedlife.net/t/any-12vdc-electronic-gurus-here/201046>\
**Category:** PittSpeed Off Topic\
**Created:** [December 11, 2008, 2:56pm UTC](https://forums.speedlife.net/t/any-12vdc-electronic-gurus-here/201046 "2008-12-11T14:56:00Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![fmfkid250](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/fmfkid250/32/5973_2.png) [@fmfkid250](https://forums.speedlife.net/u/fmfkid250)\
**Post date:** [December 11, 2008, 3:50pm UTC](https://forums.speedlife.net/t/any-12vdc-electronic-gurus-here/201046/9 "2008-12-11T15:50:06Z")

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> [@Ferrets??](https://forums.speedlife.net/t/ferrets/38968/4):
>
> Newer Audi OEM equipment has LED’s dim when the headlights turn on. I would like mine to do that.  
> Here is thread of how project is progressing. [Click](http://www.pittspeed.com/forums/showthread.php?t=47610)

With standard LEDS Its 2.2mA the OEM \*\*\*\* is prob like 5K. you would need like a 12K resistor and a Single Pole Double throw Relay.

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