Replacement OEM Tow Package Wiring Harness (4-Flat) with Circuit Protected Modulite Module. Tow Plug ReplacementSeries, Powered Circuit Protected Unit, Rated 2.1/5.6 Works with 2010-2011 Lexus RX 350 & RX450h Hybrid Please note this product does not ship to Pennsylvania. T-Connectors require no splicing of wires. Simply locate your vehicles wiring harness connector, unplug the connection and insert the T-Connector into the vehicle"s harness. No special tools required. * Quick and easy installation * Solid, weatherproof, one-piece construction * No cutting, splicing or taping * Includes converter where needed * Just plug in the T-Connector and you"re ready to tow * Simple do-it-yourself instructions on every package