1. Open the hood of your Nissan 350Z.
2. Locate the fuse box. It is a black plastic box located near the battery.
3. Open the fuse box cover.
4. Locate the AC relay. It is labeled "A/C" and is usually located in the middle of the fuse box.
5. The AC relay is a small, black, square-shaped component with four terminals.
6. To remove the AC relay, gently pry it out of the socket using a flat-head screwdriver.
7. Inspect the AC relay for damage. If the relay is damaged, it will need to be replaced.
8. To install a new AC relay, simply insert it into the socket and press down until it clicks into place.
9. Close the fuse box cover and hood.
