Where is the main relay on a 2005 Toyota corolla?

The main relay on a 2005 Toyota Corolla is typically located in the engine compartment fuse box. To access it, open the hood and locate the fuse box, which is usually near the battery. The main relay may be labeled inside the fuse box cover, so refer to that for identification. If you're unsure, consulting the owner's manual can also provide specific details.