It would be in the Power Distribution Center under the hood, usually on the driver's side; the cover to the box will usually have a guide on the underside of it giving you the locations of specific relays and fuses.
UNder the air cleaner on the driver side "frame".
radiator fan relay
Could be the fan relay located on the drivers side frame below the battery.
Radiator fan relay control circuit
On a 1996 Dodge Caravan, the horn relay will be in one of two spots. It may be in the fuse panel located under the dash, or in the fuse block located under the hood.
The fuel pump relay on the 1993 Dodge Caravan is located next to the battery in the engine compartment. You will find it just to the left of the power distribution block.
Trouble code P1491 means: Radiator fan relay control circuit Can I get a location?
the relay closest to the driver on the fender well
in power distribution center
It is located in the relay/fuse center under the hood on the drivers side.
relay
The fan should turn off after the engine is shut off. If it stays on, the radiator fan relay has failed.