parking light wiring

I just bought some projector headlights, and i need to know which wires are the negative and positive for the parking light, to hook up the halo, there is a A B C on the parking light and i dont know which one is what any help would be appreciated
Thanks.

I just bought some projector headlights, and i need to know which wires are the negative and positive for the parking light, to hook up the halo, there is a A B C on the parking light and i dont know which one is what any help would be appreciated
Thanks.

White is positive.

there is not a white, only a black, grey, and another black it looks like.

There is not a white, only a black, grey, and another black it looks like. Each one runs into either the A B C on the parking light that houses the bulb.

Find your truck here. The wiring diagrams are under chassis electrical.

http://www.autozone.com/servlet/UiBroker?UseCase=RG001&UserAction=viewRepairGuideYMMEYear