Thread: LED Daytime Running Lights - Power Supply

Don't forget to post pics, those are the rules

Oops, sorry. The equipment / photo's. (SCA LED DRL with headlight control.)




The cables. I am working in the presumption that the *LAMP* cable connects to the + 12V cable to the headlight to turn the lights off at night.



Any help would be great, it's got to be something simple.

(Yes I have looked at the RAVE manual.)

Cheers,

mx

If they are proper DRLs you will need to connect to the headlight signal. The DRL LEDs are too bright for night use, that's why you will notice the OEM Audi, Merc ect either turn off completely or dim down at night (not to mention ADRs). Audis also dim when the indicator is turned on (on the side that is indicating). But if they are supercheap special then they're probably not that bright.

Did they come with instructions or a wiring diagram?

I'm have no first hand experience but from what I've read on other threads is that the black box is a voltage sensitive relay. When the engine starts and the battery receives charge from the alternator the VSR senses this and turns the DRLs on. It also senses when the engine is turned off and turns the DRLs off.

So all you have to connect is the battery positive and negative and joint the lamp wire to the headlight positive.

I would suggest park lamp positive rather than headlamp positive, so long as your park lamps stay on with the headlamps.

Dare I ask why you want them at all?

These are the only instructions, what is on the box. Hardly detailed but probably simple.

Thanks so far guys.





Cheers,

mx

Wire as shown. As beeuety said use park light positive for the small lamp connection.
And post a pic of them when your done!