02 Jetta Fuse Diagram and Electrical System Overview Understanding the fuse layout of your 2002 Jetta can help you quickly address electrical issues and avoid unnecessary repairs. Start by locating the fuse box, which is typically under the dashboard on the driver's side.. DOT.report provides a detailed list of fuse box diagrams, relay information and fuse box location information for the 2002 Volkswagen Jetta. Click on an image to find detailed resources for that fuse box or watch any embedded videos for location information and diagrams for the fuse boxes of your vehicle.