cciyu T5 58 70 73 74 Multi-color Instrument Dashboard Gauge Cluster 5050SMD LED Wedge Lamp Bulb Light,60Pack LED BULB SIZE:Dimension: 5mm X 18mm (W2.1x4.9D Wedge Type Bulbs). 74 type(T1-3/4) 3/16 inch wide base small Wedge Base LED bulbs. EASY INSTALLATION, just plug & play.Faster on/off response time and vibration resistant. CROSS REFERENCE: Replace Stock Number:T5 17,18,27,37 ,57,58,70,73, 74, 79,85, 86,206,207,286,306,2721. APPLICATION: Replace the light with T5 base, such as side markers, running lights, corner & bumper lights, license plate lights, instrument cluster, gauge bulbs, dashboard and factory housings, etc. PLEASE NOTE: If the LED does not light up, simply Rotating it 180 degrees (reverse the polarity)