TGP 3157 White 22 LED SMD Wedge Reverse / Backup Light Bulbs and License Plate LED Pair 2004-2008 Pontiac Grand Prix Content: 3157 22 LED SMD Reverse Light Pair and T10 9 LED SMD License Plate Light Pair Color: White Dimension: 19x17mm Reverse Light / 29x11mm License Plate Light Bulb Important: Check dimension to make sure these LED's will fit housing. Note: LEDs can be polarity sensitive. If you install these LEDs and they are not working, please flip them around and re-install them and you will be fine.