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I had to cut my fog light harness to add the 9006 harness, while doing so i forgot which wire was which it is a 07 e90, does any one know the color code for which is pos/neg

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ttt

[E92-Lighting]

you can actually use a h11-9006 adapter for plug and play

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already cut

[TroyDeJ]

as long as its a halogen bulb polarity doesnt mater. if its led or xenon then polarity matters