Hopkins 47795 1999-2006 GM LiteMate Electronic Brake Control Vehicle Adapter (Pico 6518PT) For Listed GM Vehicles With Tow Package Avalanche 2002-2006 Silverado and Sierra 1999-2006 Suburban, Tahoe, Yukon, Denali and Escalade 2000-2006 H2 Hummer 2003-2006