Slow Cooker Wieners in Wiener BBQ Sauce

2 pounds hot dogs

1 (18 ounce) jar grape jelly

1 (8 ounce) jar prepared mustard

1 tablespoon brown sugar

1 tablespoon apple cider vinegar

Place the wieners in a slow cooker. In a medium bowl, combine the grape jelly, mustard, brown sugar and cider vinegar. Mix well and pour over the wieners.

Cook on low setting for at least 1 hour before serving.