Thanks a lot, really helped out.
Im using the halogen sidelight signal pin 10 to supply the LED headlight pins 10 and 12.
But when fitted this into the car, the DRL works fine, with the engine off.
As soon as the engine is on, the DRL flickers on and off.
I checked voltages and the with engine off, its around 11.8v at the pins
With the engine on its around 11.7 at the pins.
When i stick a bridge the pins with a full 14.4v from the battery with the engine on, the DRL work fine.
Do you think the BCM is not able to handle the load of the LED module and why is the BCM not pushing out a full 12v min? Could that be the issue? Not sure if you could check pin 10/12 on yours and see if your getting less than 12v or full battery voltage? If its full battery volatge, I'll have to use a relay and get the power direct from the battery.
Cheers