Where is the rear window defroster relay on a 1991 Honda CRX HF?

The rear window defroster relay on a 1991 Honda CRX HF is typically located in the under-dash fuse box, which is situated on the driver's side of the vehicle. To access it, you may need to remove a cover panel. The relay is usually labeled, so refer to the diagram on the fuse box cover for its exact position. If you're having trouble locating it, consulting the vehicle's service manual can provide additional guidance.