Iac Valve Wiring..

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Here's the deal. I'm lazy and I just went ahead and left my IAC valve half wired. When I made my harness I was going off of honda standard wire color codes. The F22B1 had a two wire, a yellow/black for positive and brown/black for negative(I think... I'm not at my car.) The ATR Mani has those two wires, and a solid black wire. It's not ground, trust me on that one, I tried it and it was a violent idle. Does anyone else have a 3 wire IAC valve and what does the solid black go to? Lemme know, thanks..