Help
A hole in the bottom of the jeep will shoot mud up and behind both of the rear tail lights.
First remove the tail lights The 2 screws only on the right side of the left light and the left side of the right light. Then clean out the cavity well!
Left side out.
Right side out.
Next you see the hole on each side.
Left side hole.
Right rear hole.
Then place a piece of rubber over the holes.
Next fill with Marine low expansion foam.
Left side full up to the tag wires and don't get any on the gas breather.
Right side about half way up.
Let cure, reconnect wires to lights and screw back in..
Done!
Left rear done!
Right rear done!
Now no more mud or stuff will go up into the holes and rot out behind your tail lights..
I got the marine low expansion foam from a boat repair house. It is made to breath and will not let water stay in but keep dirt out!
. Looks like a water trap not matter if U have a gasket or not. Let us know after U go wheeling & it sits in H20 for a bit. Be honest now 
Plus you know I can find water.. 
That will help.
