This is the Slow Cooker Corn Chowder Recipe I used:
2 cans (16 oz) whole kernel corn, drained
2 to 3 medium potatoes, chopped
1 onion, chopped
1/2 teaspoon salt
pepper to taste
2 cups chicken broth
2 cups whole milk or half-and-half
1/4 cup butter or margarine
Preparation:

Combine first 6 ingredients in slow cooker. Cover and cook on low for 7 to 9 hours. Puree in a blender or food processor , then return to pot. Stir in milk and butter; cover and cook on HIGH about 30 to 60 minutes longer.