1. Park your car in a safe location, turn off the engine, and allow it to cool down.
2. Open the hood of your car.
3. Locate the fuse box. It is usually located in the engine compartment, near the battery.
4. Open the fuse box cover.
5. Locate the 120 amp fuse. It will be the largest fuse in the fuse box.
6. Use a fuse puller or needle-nose pliers to remove the 120 amp fuse from the fuse box.
7. Inspect the fuse for damage. If the fuse is blown, replace it with a new 120 amp fuse.
8. Put the fuse box cover back on.
9. Close the hood of your car.
