Quote:
Originally Posted by itskenallen
Problem is they're not lighting fully at all, even with the ignition on and the headlights off.
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I'd not connect that wire to anything yet then, take the headlights completely out of the equation, just connect the controller to the battery and the red & black wires to the DRL and see if they light fully. If they still don't light fully you have a faulty drl and/or controller.
Also, looks to me like in the image you attached they have mislabeled the wires. Looks like the one labeled 'DRL negative' is a white wire in a black sheath, from all the controllers I've seen it's normally a white wire that should be connected to the headlights for the dimming function. And the one marked 'Headlight / dashboard light' looks like the black negative wire that should be going to the DRL. If you've followed the labelling in that image, it's possible you have those 2 swapped around, which would blow the fuse and/or cause them not to light.