Partsam 2X T20 7440 100W 7443 White Reverse Backup Lamp Led Light Bulbs ACURA TSX 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 Cross part#:7443 7440 992 7441 T20 w21w Application Position: 20-Sharp-2828 100W White Backup Reverse Lights High lumen: 1320LM; Low lumen: 136LM LED source: 12 Cree * 5w XB-D/60W If it does not light, please try with flipping 180 degrees to reverse the polarity