Activate the eclipse. A radio should have appeared on a crate near the minecart. It will give you a code "16 1 3 4". Head back to the mud maze, there are 4 circular displays, where you must enter this code.
Located in the following places
Directly to your right when coming from the spawn, select the single dot
Directly to your left when coming from the spawn, select the four dots
In the far left when coming from spawn, select the three dots
In the far right when coming from spawn
If done correctly, the eclipse should end.