Mine went bad as well, and I just got one on Ebay and it was broken as well. Seems to be a poor design flaw in the cheap switch. It seems that the little loops on the switch itself (not the post on the body of the switch box) are so tiny that the presure caused by the two little spring loaded ...

ALERT!!! I forund the two deep set screws on my cover to be T-15 and not a T-25, after spending an hour trying to line the 25 up I started trying different sizes, and the T-15 was the fix. FYI