In a standing mixer fitted with a paddle attachment, cream butter and sugar well.
Add beaten eggs and corn syrup.
Add sifted flour, baking soda, and spices, stirring to combine and being careful not to overmix.
Dredge raisins and pecans in flour, add to mixture and stir in 1/2 cup of wine.
Grease and flour two loaf pans and pour in prepared batter.
Bake in a preheated 250-degree oven for 2 hours.
After baking, heat the other 1/2 cup of wine and pour over cake while still warm.
When completely cool, wrap in foil and keep covered in a cake pan.