2004 Mercury Mountaineer battery location

The fuses are coded as follows:
Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
1 30A Memory seat module, Driver
power seat
2 20A Moonroof
3 20A Radio, Amplifier, DVD
4 5A Front wiper module
5 15A Flasher relay (Turn, hazards)
6 10A Key-in-chime
7 15A Heated mirrors
8 5A Heated PCV (4.0L engine only)
9 15A Not used
10 10A Heated backlight relay coil, A/C
clutch contact
11 20A Heated seats
12 5A Not used
13 5A Overdrive cancel switch
14 5A PATS
15 5A Rear wiper module, Cluster
16 5A Power mirror, Manual climate
control, TPMS
17 15A Delayed accessory relay
coil/Battery saver coil and
contact/Reading and glove box
lamps
18 10A Flexible fuel pump
19 10A Restraint Control Module (RCM)
20 5A Memory driver seat switch, Driver
seat module, Body Security
Module (BSM), PATS LED
21 5A Instrument cluster, Compass,
Flasher coil
22 10A ABS, IVD Controller
REVIEW COPY:
2004 Explorer(exp), Owners Guide (post-2002-fmt)(own2002),
Market:USA English(fus)
Roadside Emergencies
178

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
23 15A Not used
24 15A Cigar lighter, OBD II
25 5A Mode-Temperature actuator for
auxiliary climate control, Trailer
tow battery charge relay coil,
TPMS
26 7.5A Reverse park aid, Brake shift
interlock, IVD switch
27 7.5A Automatic dimming mirror, Digital
transmission range sensor, Backup
lamps
28 5A Radio (Start)
29 10A Digital transmission range sensor,
PWR feed to fuse #28 (Start feed)
30 5A Daytime Running Lamps (DRL),
DEATC climate controller, Manual
climate control, Manual climate
control temp blend actuator
REVIEW COPY:
2004 Explorer(exp), Owners Guide (post-2002-fmt)(own2002),
Market:USA English(fus)
Roadside Emergencies
179

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 Description
Relay 1 Flasher
Relay 2 Rear defrost
Relay 3 Delayed accessory
Relay 4 Open
Relay 5 Battery saver
Relay 6 Open
Relay 7 Open
REVIEW COPY:
2004 Explorer(exp), Owners Guide (post-2002-fmt)(own2002),
Market:USA English(fus)
Roadside Emergencies
180

The high-current fuses are coded as follows:
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
1 60A** PJB #1
2 30A** BSM
3 — Not used
4 30A** Rear defrost
5 40A** Anti-lock Brake System (ABS)
pump
6 60A** Delayed accessory, Power
windows, Audio
7 20A** Power point #2
8 — Not used
9 20A** Power point #1
10 30A** ABS module (valves)
11 40A** Powertrain Control Module (PCM)
12 50A** Ignition relay, Starter relay
13 40A** Trailer tow battery charge, Trailer
tow turn signals
14 — Not used
15 15A* Memory (PCM/DEATC/Cluster),
Courtesy lamps
REVIEW COPY:
2004 Explorer(exp), Owners Guide (post-2002-fmt)(own2002),
Market:USA English(fus)
Roadside Emergencies
182

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 Not used
Relay 23 Not used
Diode 3 Not used
Diode 4 Not used
REVIEW COPY:
2004 Explorer(exp), Owners Guide (post-2002-fmt)(own2002),
Market:USA English(fus)
Roadside Emergencies
185