Question about O2 sensor pigtail wiring

[Rak123]

Hey guys, so the clip for my oxygen sensor caught fire on the manifold at my last drift event.
I got a new oxygen sensor and a new pigtail today, so I went to go solder the pigtail in.
But I have a question, there are 2 gold wires and one silver wire for the factory harness, which goes where on my new pigtail?
http://imageshack.com/a/img673/5086/tYPsei.jpg
You can see the 2 gold wires on the left and the silver one on the right, also one of the gold wires is thicker than the other one
http://imageshack.com/a/img537/1802/Fxaaa5.jpg
And this is the new pigtail, there is a black, white, and brown wire for it.

So if anyone can guide me as to which wires go where I would appreciate it.

The engine is an sr20 notchtop

[ultimateirving]

The function of the 3 wires are as follows: One wire is 12v heater, it's not really needed and provides 12v when the iginition is on.
The second wire is a signal and communicate with the Ecu. The third is a ground wire but I think that's just to complete the heater circuit so not as important either. Use a multi meter to figure out which one is the signal
And wire it up