Thanks for the ideas.  Will do.

My wife has a Rad City step thru.  It is the first year model the brake light was standard, whatever year that was.  Four years ago I think.  It has been a great bike and she had ridden it many miles.  Her only complaint is the weight.  But I digress.  Her brake light now stays on all the time.  I have checked all the connections and both brake levers.  They all seem to be functioning correctly.  I am thinking the problem must be in the controller or whatever.  Has any else had this issue? It isn't something that keeps her from riding obviously.  I just have to see it all the time when following her.  Thanks