7.Insert the new LED assembly through the hole where the original bulb and connector were. Use caution when feeding the wires through to avoid damaging the wire insulation.
8.Feed the wires through the large hole in the back plate and attach the back plate onto the back side of the housing. The flat side of the mounting disk should be toward the outside and the side with the slight raised center should go in toward the housing. This will align the mount in the original housing.
9.Secure the back plate with the supplied #6 lock nuts.
10.Make sure the original lens gasket is in place and replace the tail light lens.
11.Replace the body trim and reinstall the tail light housing into the vehicle.