Where is the heater relay on a 1993 Cadillac Fleetwod?

On a 1993 Cadillac Fleetwood, the heater relay is typically located in the engine compartment, specifically in the fuse box or relay center. You can find it by opening the hood and looking for a rectangular black box near the firewall. Consult the diagram on the inside of the fuse box cover for the exact location of the heater relay. Always ensure the vehicle is off and properly cooled before inspecting or replacing any relays.