Thanks for the question Emily
Westin Running Board Light Kit WES27-6000
For the wiring diagram you will want to go directly to the manufacture's website to get that. you can also contact Westin Automotive directly and they can send a copy to you.
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Established in 1977, Westin Automotive has been delivering world-class products to automotive aftermarket industry enthusiasts who recognize innovation, quality and durability. Adhering to strict quality standards that dictate the development of its new products, Westin strives to do more than just produce functional products. Aesthetics and style are also integral to the company's offerings that include towing and winch accessories, truck racks, bumpers and bed rails. Based in San Dimas, California, Westin Automotive has a reputation among off-roaders who are looking to spruce up their trucks, Jeeps and SUVsShop Westin Now