, This is a replacement 12v 35w Digital Canbus ballast with a D1/D3 connector.,Will replace standard ballasts if they fail on your car. We also , supply the power wires ‘into’ the ballast but they are universal fit , so you will need to find the power into the standard one 1st.,If you have one thats gone faulty then this is what you need. The , ballast does not effect the colour temperature. These will cost 100’s , from your main dealer!,Designed for D1SD3S & D1R bulbs