Heavy duty warning lights signal your presence to other drivers. Whether you need to pull over to the side of the road, drive slower than usual, get through bad weather, or light up a work area, these heavy duty truck parts will keep you and other drivers safe.FleetPride offers a large inventory of semi truck and trailer warning lights. We carry strobe lights, strobe light bars, LED light bars, trailer light bars, LED beacon lights, LED flasher relays, LED directional lights, LED pedestal lights, and strobe light heads. Browse our diverse assortment to find what you need.Grote is a world-class supplier to the heavy duty truck and trailer industry known for advanced lighting and safety systems. In addition, Grote has high battery connectors, cable, test clips, and accessories for the lighting, air, and electrical OEM and aftermarket industries. Their technology and systems are flexible and of high quality, giving you peace of mind.Grote takes pride in keeping quality and innovation at the center of their manufacturing process. Their goal is to deliver the best products and experiences to customers.Founded in 1901, Grote is headquartered in Madison, Indiana and has grown to more than 1,000 employees working in Canada, Mexico, Germany, and China.