Demco 9523071 Towed Connector Vehicle Wiring Kit - Select Buick/Chevy/GMC/Oldsmobile No cutting, splicing, drilling or taping required Designed to plug right into your vehicle's light harness Includes (1) Wiring harness with 4-flat connector, (1) 48 inch 4-flat extension, (20) 15" cable zip ties, (1) 4-flat bracket, (3) #8 self-tapping ground screw Factory matching light plugs Fits Buick Rainer 2004-2007, Chevrolet Trailblazer 2002-2008, GMC Envoy 2002-2009, Oldsmobile Bravada 2002-2004