Husky 31866 Flat Connector Custom Wiring Harness for Brake Controller 1999-2006 Silverado; 2007 Silverado Classic; 2000-2006 Suburban/Tahoe; 2002-2006 Avalanche; 1999-2006 Denali/Sierra; 2007 Sierra Classic; 2000-2006 Escalade; 2003-2007 H2; 2005-2007 H2 SUT With OEM specific under-dash connector and brake control mating connector Flat connector