FORD 2003 Explorer v.1 - Manual (Page 187)

The relays are coded as follows:
Fuse/Relay Location Description
Relay 14 Not used
Relay 15 Trailer tow back- up lamps
Relay 16 Not used
Relay 17 Not used
Relay 18 Not used
Relay 19 Trailer tow park lamps
Relay 20 Trailer tow battery charge
Relay 21 Not used
Relay 22 Approach lamps
Relay 23 Not used
Diode 3 Not used
Diode 4 Not used
Auxiliary relay box
(Canadian vehicles equipped with AdvanceTrac
ி)
The relay box is located on the front
right fender well underneath the
speed control module.
Roadside Emergencies
187