Where is the fan relay located on a 2004 Chevrolet trailblazer?

On a 2004 Chevrolet Trailblazer, the fan relay is typically located in the engine compartment fuse box. This fuse box is situated near the battery, on the driver’s side of the engine bay. You can identify the specific relay by consulting the diagram on the fuse box cover or in the owner's manual, which provides information on the layout and function of each relay and fuse.