I agree check the fuse that comes off the battery or SJB (depending on where you got your power) and see if the fuse went....bet it did....
I installed mine last week and when I powered them on and then turned them off they stayed on.... I went ahead and turned then back on then off and they turned off. Hasn't happened since and though the ballasts are water resistant....moisture can get into anywhere (including fuse blocks) and cause issues.
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