cciyu 10 Pack Yellow 3-3014SMD T4/T4.2 Neo Wedge HVAC Climate Control LED Light Bulbs Replacement fit for 2004-2011 Chevrolet Colorado Diameter: 7*10*8.1mm ; Base Plate: 10mm ; Base Size (Width) : T3 - 8mm, T4 - 10mm, T5 - 12mm Cross Reference / Compatible socket bulb number: T4, 79674-S3N-941, 79607-SHJ-S01, 36773-SEP-A01, 36774-SEP-A01 Compatible with 2004 2005 2006 2007 2008 2009 2010 2011 Chevrolet Colorado Application: Replace the light such as A/C Lights, Climate Control light bulbs. Please NOTE: If the LED does not light up, simply Rotating it 180 degrees (reverse the polarity)