Cut ham into serving pieces and place in crock pot.
Combine cider, wine, maple syrup, raisins, and cranberries in bowl.
Press a whole clove into each slice of pineapple and arrange on top of each portion of ham.
Pour wine and fruit mixture over meat in cooker.
Cook on low for two hours, then switch to high for another four hours.
Or cook on automatic for four to five hours.
To thicken sauce,remove 1/4 cup liquid from cooker, and stir flour or cornstarch into it until smooth.
Return liquid to pot.