Where is the headlamp relay located in a 2000 Nissan Quest?

In a 2000 Nissan Quest, the headlamp relay is typically located in the engine compartment fuse box. To access it, open the hood and find the fuse box near the battery. The relay itself will be labeled, so you can identify it by referring to the diagram on the underside of the fuse box cover. If you're having trouble locating it, consulting the vehicle's service manual can provide additional guidance.