Custom headlights conversion to Litronic style (w/pics)

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Well, I don't have stock daytime running lamps so I'm not sure how they are set up in OEM.

The projectors themselves are powered this way; The bulb is wired into the low beam power, as this power is on whether the low beam or high beam is selected(stock high beam uses both low and high beam bulbs), and the high beam wire operates the shutter solenoid.

My led halos are wired into the stock running light circuit and come on with the running lights.
It's my understanding that models with daytime running lamps use the low beam in a low-power application as daytime running lamps.

Someone did a write up on this DIY section... Basically, you would need to determine the amount of power supplied by the OEM DRL circuit, the power needed by the DRLs that you wish to use, and go from there.

Example;
Low beams = 12v
DRLs = 6v(just guessing here)
You would need to design a circuit that supplies power to aftermarket DRLs when input voltage is 6v, but shuts off when input voltage is high(12v).

There may be another way to do it with the existing circuits in the car, but I'm not sure.

As far as using the HID projectors as DRL's in a low-power mode, that's not possible. Likewise, the low-power will not be enough to fire the ballast so it should not cause a problem with the HID set up.