1. Heat oil in skillet on MEDIUM-HIGH until oil faintly smokes. Brown sausage 4-5 min; set aside.
2. Layer green cabbage and onions in slow cooker.
3. Combine raisins, tomatoes, tomato paste, crushed red pepper, red wine vinegar, and sugar in medium-sized bowl. Pour atop mixture in slow cooker. Place sausage on top of all.
4. Set cooker to HIGH, 4-6 hours or LOW 8-10 hours.
5. Arrange on individual plates; garnish with pine nuts.