I don't buy the Swedish and Danish partipation. In OTL Scanian War which was part of the Franco-Dutch War Sweden joined France, while co-belligiant with the Dutch side against Sweden. The Danish fleet did well against Sweden, and Denmark occupied all Swedish and Gottorp possesions in North Germany and had some succes in Scania and Bohuslen in the start of the War, only with the peace treaty Denmark was forced to give back the Swedish territories it occupied in Germany against minor war reparations.
Sweden at this point are a close French ally, and would almost certainly join the French side in the war. While Denmark are going to join the anti-Swedish side if it feel a chance for it, because it want Scania back.
Of course even with great Danish succes it's unlikely to gain Scania, but it could regain the 1643 Norwegian borders, Gottorp and gain some or all Sweden North German possesions. While a Swedish victory would in worst case result in the loss of Trondheim or Schleswig-Holstein (to the Gottorps).