WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Cooling Fan Relay
Courtesy of GENERAL MOTORS CORP.
Install the compressor relay (1) to the underhood fuse block (2).
Install the protective hood to the underhood fuse block.