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I have a 2002 F-250SD Crew/4wd/7.3 It had a black box under the hood that made the headlights turn on high and low when high is selected. but, it melts the bulb connectors, so I removed it and plugged the "new" bulb connectors directly on the bulbs as to original.. my fog lights don't work because I haven't a clue where to plug the wire in to power them up.. they're supposed to come on with the pull out light switch in the cab.. anyone know of a wiring diagram for the lighting or where to find the plug under the hood? THANKS..