Any ideas which wire is positive and which is negative? I ordered the light and the harness from Z1...but since both wires are black...I'm not sure if one is positive and the other is negative or if they are "universal."
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Stillen Gen3 CAI|Berk HFC and CBE|UpRev|15mm H&R front spacers|20mm Ichiba rear spacers|Stillen front and rear sway bars|Yokohama S. Drives|Swift springs|JDM Blinking Fog|8000k HIDs|9% window tinting, 47% on full windshield
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