For the 6" oval hole in the Buyers Products Tail Light Mounting Box # 337LB383SL you will need the PVC Grommet # a70gb and a Optronics LED Trailer Tail Light # STL72RB. A 3-Wire Pigtail # A45PB is needed for connecting to the light.
The 2" hole on the side will use the 2" Round Grommet # A54GB and Miro-Flex LED Clearance or Side Marker Light # MCL50RB. A 2-Wire Pigtail # A86PB is needed for connecting to this light. view full answer...