cciyu 6 Pack 3-3014SMD T4/T4.2 Neo Wedge LED Bulbs HVAC Climate Control Light Replacement fit for 1996-2011 Dodge Caravan (blue) Diameter: 7*10*8.1mm ; Base Plate: 10mm ; Base Size (Width) : T3 - 8mm, T4 - 10mm, T5 - 12mm Built-in Circuit for 12V-14V Power Input;Ultra Bright LED, unique and more vivid color Cross Reference / Compatible socket bulb number: T4, 79674-S3N-941, 79607-SHJ-S01, 36773-SEP-A01, 36774-SEP-A01 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)