Partsam 5x Smoke Top Cab Marker Light+168 5050 Red LED for 99 00 01 02 Dodge Ram 1500 - 5500 For 1999 2000 2001 2002 Dodge Ram 2500 /3500 stock roof cab marker; Part# 264145BK Application:Roof Cab Marker, Roof Running Light, Clearance Light Come with T10 plug socket, convenient for modifying & rewiring Direct replacement for OEM factory stock cab marker covers If the LED won't light up, simply flip it 180 degrees (reverse the polarity)