cciyu T5 LED Light Bulb 74 LED Bulb 37 70 73 Instrument Panel Gauge Cluster Dash LED Light Lamps FEATURE:74 type(T1-3/4) 3/16 inch wide base small Wedge Base LED bulbs;Built-in Circuit for 12V Power Input. Ultra Bright LED, unique and more vivid color. EASY INSTALLITION, just plug & play.Low Power Consumption and Low Temperature.Long-lasting Life - 50000 working hours. CROSS REFERENCE: Replace Stock Number:17, 18, 27, 37, 58, 70, 73, 74, 79, 85, 86, 206, 207, 286, 306, 307, 308, 406, 407 & 2721 T5 wedge base bulbs. APPLICATION: Replace the light with T5 base, such as instrument Panel indicators, Speedometer, Tachometer,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)