Cut corn from cob; chop peppers, cabbage and onions. Mix thoroughly. Heat 2 cups vinegar to boiling. Add salt, sugar, mustard, flour, and turmeric which have been combined with 2 cups cold vinegar. Heat to boiling.
Stir constantly until slightly thickened. Add chopped vegetables. Stir until well blended. Cook slowly 1/2 hour. Seal.