Find a clear 2003 Jeep Wrangler fuse box diagram with fuse locations, functions, and amperage details to help you identify and replace blown fuses easily.. Jeep Wrangler fuse box diagrams change across years, pick the right year of your vehicle:
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Detailed diagram of the 2003 TJ Jeep fuse box, showing locations and functions of each fuse and relay for easy reference and troubleshooting.. 2003 Jeep Wrangler has 2 main boxes with fuses and relays. One is in the cabin (Passenger Compartment) and another is under the hood (Engine Compartment).