auxiliary battery location Mercury Mountaineer 2003 Owner's Manuals

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
23 15A Brake pedal position switch
24 15A Cigar lighter, OBD II
25 5A Mode-Temperature actuator for
auxiliary climate control, Trailer
tow battery charge coil
26 7.5A Park aid, Brake shift interlock
27 7.5A Electrochromatic mirror, Digital
transmission range sensor -
backup lamps
28 5A Radio (Start)/DVD (Start)
29 10A Digital transmission range sensor,
PWR feed to fuse #28 (Start feed)
30 5A Daytime Running Lamps (DRL),
Remote solenoid, DEATC climate
controller, Manual climate control,
Manual climate control temp
blend actuator
Roadside Emergencies
169

Fuse/Relay Location Description
Relay 20 Trailer tow battery charge
Relay 21 Not used
Relay 22 Not used
Relay 23 Not used
Diode 3 Not used
Diode 4 Not used
Auxiliary relay box
The relay box is located on the front
right fender well underneath the
speed control module.
The relays are coded as follows:
Fuse/Relay Location Description
Relay 64 Open
Relay 65 Open
Relay 66 Open
Roadside Emergencies
175