DRL kit includes a switch and a heavy-duty flasher Mounts on one 1/2'' - 13 stud Wiring system features weatherproof Packard connectors to prevent corrosion problems Adapts easily to vehicle equipped with Daytime Running Light (DRL) systems Normal DRL function transferred to snow plow lights Features high/low beam halogen headlamps and integrated park/turn lamps Use matrix to determine appropriate adapter plug kit, sold separately Not compatible with vehicles using quad headlamp or separate DRL headlamps Unique plug-in adapter design allows installation without cutting or splicing existing wiring High impact polycarbonate and steel construction