On the Vision X Headlight Conversion Kit # VX-46 the black wire is the ground. From what I understand the white wire is low beam and the red wire is high beams. Since they take 9007 bulbs though it shouldn't matter because one wire energizes a filament for low beams and the other energizes a filament for high beams. So basically you could switch them and they would still function. view full answer...
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