My guess would be a grounding issue somewhere.... Headlights work off a ground system, with the ground being the (-) and so is the PTO I believe. So if it isn't properly grounded then they will not work. I would take a wire diagram and trace the wires and see what should and shouldn't be grounded.
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- Cory Sanderson
  
-~~- Cub Cadet 104 -~~- Cub Cadet 104 -~~- Cub Original -~~- Cub Lo-Boy 154 -~~-
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