Feature●Built-in Circuit for 12V Power Input.Ultra Bright LED, unique and more vivid color●Easy installation, just plug & play.Faster on/off response time and vibration resistant.74 type(T1-3/4) 3/16 inch wide base small Wedge Base LED bulbs●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.T5 LED bulbs for instrument Panel indicators,Speedometer,tachnometer,Gauge Cluster, Check Engine indicator, Highbeam indicator, Shifter Lights,etc●Please NOTE: If the LED does not light up, simply Rotating it 180 degrees (reverse the polarity). Besides, Please double check owners manual or original bulb size to confirm.Description