HERCOO Blue LED Lights Bulbs of AC Climate Heater Control Compatible with Chevy 03-06 Silverado Avalanche Tahoe Suburban, 05-09 Trail Blazer, GMC 03-06 Sierra Yukon XL, 05-09 Envoy XL XUV

PACKAGE INCLUDES LED lights ONLY, replace the incandescence bulbs behind the AC climate heater control, assembly unit is not included. COMPATIBILITY: Replacement for dual climate control ONLY, NOT for unit with automatic control function; for Silverado 2003 2004 2005 2006 1500, 1500 HD, 2500, 2500 HD, 3500, Avalanche 1500 2500, Tahoe, Suburban; 2005 2006 2007 2008 2009 Trail Blazer; GMC 2003-2006 Sierra Yukon, Yukon XL, 2005-2009 Envoy, Envoy XL, Envoy XUV. SOLDERING TYPE LED LIGHTS directly soldered to the board, same as stock ones, soldering skill required; blue LED bulbs refresh the heater temperature climate control and make it much brighter than Incandescent; no resistors required. APPLICATION: Fan Speed Control, Temperature Control, Air Flow Mode Selector Control, AC/Air Conditioning, OFF/Power, PANEL/VENT, Panel & Floor/MIX/BI-LEV, FLOOR/Heater, Floor & Defrost /BLEND, DEF (Defrost), Rear Defrost/Defogger. After-Sales Support: 1year After-Sales Support since order purchase date email us if there's any issue before or after purchase, your case will be taken seriously .