A: Look for the main fuse (often 30A, 40A, or 50A). On many models, it is a "MAXI" fuse bolted into the fuse box or near the starter solenoid. Check the diagram for terms like "Battery Main," "Alt Feed," or "ECU Power."
The diagram will assign a number or a code to each fuse slot (e.g., F1, F2, F3). This allows you to pinpoint the exact physical location of the fuse on the panel. John Deere Fuse Box Diagram