How do you replace the blue main fuse on a 1995 Infiniti J30 in the fuse box under the hood?

To replace the blue main fuse on a 1995 Infiniti J30, first, ensure the vehicle is off and the keys are removed from the ignition. Open the fuse box located under the hood, typically near the battery, and locate the blue main fuse. Carefully pull the fuse out using fuse pullers or pliers, then insert the new fuse of the same rating in its place. Close the fuse box and test the electrical systems to ensure they are functioning properly.