Fog light help please

[Liu997]

Originally Posted by CTScott

I have no idea from the pics what the second black wire is for. If you look at the switch itself, it has one black wire, which is the ground for the lighting circuit. If you follow the wires from the switch, Blue goes to D3-pin3, Green next to blue goes to D3-pin4, the other green goes to the accessory lighting wire, and black goes to ground.

You mean D4 right? I just checked and there was no D3 pin under the steering wheel