Fitment: 1989-1993 Dodge D250 Pickup 5.9L 1989-1993 Dodge D350 Pickup 5.9L 1994-2002 Dodge Ram 2500 Pickup 5.9L 1994-2002 Dodge Ram 3500 Pickup 5.9L 1989-1993 Dodge W250 Pickup 5.9L 1989-1993 Dodge W350 Pickup 5.9L How to replace A Cooling Fan: 1. Disconnect Power Use a wrench to disconnect the negative battery terminal. Key detail: Wrap the disconnected cable end with a cloth or tape so it doesn't accidentally spring back and touch the battery terminal. 2. Remove the Old Fan Unplug the electrical connector (press the tab—don't just yank it). .