hi joe,you have to put the leads into the jacks on the meter.you can't test voltage the way you have it on the wire.that way only measures amperage.take the cord out of the back of the game .put black lead from meter into left slot on plug,put the red lead into the right slot on the plug.meter set to vac.do you have a reading. take a pic.also take a pic of the service box without your meter in the way. g.l.joe