Ford 2003 Explorer Owner's Manual page 187

Roadside Emergencies
Passenger compartment fuse panel (top side)
These relays are located on the reverse side of the passenger
compartment fuse panel. See your dealer or a certified technician for
service of this relay box.
Fuse/Relay Location
Relay 1
Relay 2
Relay 3
Relay 4
Relay 5
Relay 6
Relay 7
186
2003 Explorer (exp)
Owners Guide (post-2002-fmt)
USA English (fus)
Description
Flasher
Rear defrost
Delayed accessory
Open
Battery saver
Open
Open