I was just looking around in my engine bay and found something not plugged in so I looked around for the female end and found it hanging down right of TB and plugged it in. I didn't know what it was for so I tried to look for it on the WIS and am not sure what it does. Can anyone tell me what it is? I believe its been unplugged since I bought the car back in May. Its the one with black and yellow wires just behind the TB.
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