preheat oven to 350°. Mix together the first five ingredients. Pour into an ungreased 9 x 13" glass pan. Sprinkle the cake mix over the pumpkin mixture. Melt the margarine and drizzle over the cake mix.
Sprinkle the pecans on top. Bake for 40 to 45 minutes. Cool and serve with whipping cream. Serves 12.