[Plug & play] No modification needed. Full LED tail lights assembly Compatible for 1500/2500/3500 2002-2005 Same connections and wires with the original cars. Easy to instal, Cannot fit 2006-2008 [Waterproof] Waterproof and dust-proof , sealed to prevent moisture and dust [Inclusion] Including 1 pair of tail lights assemblies [Function] Safer driving at night with brighter light , use dynamic sequential turn signal, gives you and your family safer driving. no extra bulbs needed. [Quality Tested] Thoroughly Tested,comply with rigorous quality and safety standards with heat resistance and water proof LED tail lights