cciyu 10 PCS T5 Yellow 58 70 73 74 Instrument Dashboard Gauge 1SMD 5050 LED Wedge Lamp Bulb Light LED Type: T5 1-SMD-5050 LED Chips. Ultra Bright LED, unique and more vivid color. Low Power Consumption and Low Temperature. Compatibility: 1996-1997 1999-2003 GMC C3500 C2500 Suburban C2500 C1500 Suburban C1500 Savana 3500 Savana 2500 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. Applications: dashboard gauge indication bulb interior light Please NOTE: If the LED does not light up, simply Rotating it 180 degrees (reverse the polarity)