2002-2005 Mercury Mountaineer Fuse Box Diagram

Engine Compartment Fuse Box



Fuses Specifications
No. A Description
1 60 PJB
2 30 BSM
3 - -
4 30 Rear defrost
5 40 Anti-lock Brake System (ABS) pump
6 60 Delayed accessory, Power windows ('04-'05), Audio ('04-'05)
7 20 Power point #2
8 - -
9 20 Power point #1
10 30 ABS module (valves)
11 40 PTEC ('02-'03), Powertrain Control Module (PCM) ('04-'05)
12 50 Ignition relay/Starter relay
13 40 Trailer tow battery. Trailer tow turn signals
14 10 '02-'03: Daytime Running Lamps (DRL) (Canada)
15 15 Memory (KAPWR) ('02), Memory (PCM/DEATC/Cluster) ('03-'05), Courtesy lamps ('03-'05)
16 15 Headlamp switch ('02-'03), Foglamp switch ('03), Park lamps ('04-'05), Autolamp parklamps ('04-'05), Front foglamps relay coil ('04-'05)
17 - -
18 20 4x4 (v-batt 1) ('02-'03), PCM with two-speed 4x4 clutch ('04-'05)
19 20 High beam relay
20 30 Trailer electric brake module
21 30 Front wiper motor
22 20 Autolamp; Low beam
23 30 Ignition switch, PCM diode ('04-'05)
24 - -
25 15 '04-'05: Brake on-off
26 15 '02-'03: Fuel pump
20 '04-'05: Fuel pump
27 20 Trailer tow lamps, Trailer tow back-up
28 20 Horn relay
29 60 PJB
30 20 Rear wiper motor
31 - -
32 - -
33 30 Auxiliary blower motor
34 30 Power seats, Adjustable pedals
35 20 Rear power point ('02)
36 40 Blower motor
37 15 A/C clutch relay/Transmission
38 15 Coil on plug ('02-'03), HEGO ('04-'05), VMV ('04-'05), CMS ('04-'05), ESM ('04-'05), CVS ('04-'05)
39 15 Injectors/Fuel pump relay
40 15 PTEC power ('02-'03), PCM power ('04-'05)
41 15 HEGO ('02-'03), VMV ('02-'03), CMS ('02-'03), PTEC ('02-'03), Coil on plug ('04-'05; 4.6L engine only), Ignition coil ('04-'05; 4.0L engine only)
42 10 Right low beam
43 10 Left low beam
44 15 Front foglamps
45 5 Brake pressure switch ('02)
2 Brake pressure switch (ABS) ('03-'05)
46 20 High beams
62 30 Circuit Breaker: Delayed accessory ('02), Power windows ('03-'05)
Relay
47 Horn
48 Fuel pump
49 High beam
50 Fog lamp
51 '02-'03: Daytime Running Lamps
52 A/C clutch
53 Trailer tow right turn
54 Trailer tow left turn
55 Blower motor
56 Starter
57 '02-'03: PTEC
'04-'05: PCM
58 Ignition
59 '02-'03: Driver brake applied or Daytime Running Lamps
Diode
60 PCM
61 A/C clutch


Rear Relay Box

Relay
No. Description
14 -
15 Trailer tow back-up lamps
16 -
17 -
18 -
19 Trailer tow park lamps
20 Trailer tow battery charge
21 -
22 '02: Approach lamps
23 -
Diode
3 -
4 -

Passenger Compartment Fuse Panel



Fuses Specifications
No. A Description
1 30 Memory seat module, Driver power seat ('03-'05), Driver power lumbar ('05)
2 20 Heated seats ('02), Moonroof
3 20 Radio, Amplifier, Power antenna ('02), DVD
4 5 Front wiper module
5 15 Flasher relay (Turn, hazards)
6 10 Right horn ('02), Key-in-chime ('03-'05)
7 15 Heated mirrors
8 5 '04-'05: Heated PCV (4.0L engine only)
9 - - (spare)
10 10 Heated backlight relay coil, Heated seat module ('02), Temp blend actuator ('02), A/C clutch contact
11 20 '03-'05: Heated seats
12 5 '02: Foglamp switch, 4x4 module
13 5 Overdrive cancel switch, Flex fuel sender ('02-'03)
14 5 PATS module
15 5 Rear wiper module, Cluster, TPMS ('02-'03)
16 5 Power mirror, Manual climate control, TPMS
17 15 Delayed acc. coil, Battery saver, Interior lamps (front and rear), Glove compartment lamp
18 10 Left horn ('02-'03), Flexible fuel pump ('04-'05)
19 10 RCM, PAD indicator ('02)
20 5 Memory driver seat switch, Driver seat module, Body Security Module (BSM), PATS LED, Sunload sensor ('02-'03)
21 5 Instrument cluster, Compass, Flasher coil
22 10 ABS, IVD Controller
23 15 '02-'03: Brake pedal position switch, Driver brake applied relay, Redundant cruise deactivate switch
24 15 Cigar lighter, OBD II
25 5 Mode-Temperature actuator for auxiliary climate control, Trailer tow battery charge coil, TPMS ('04-'05)
26 7.5 Reverse park aid, Brake shift interlock, Approach lamp relay coil ('02), IVD switch
27 7.5 Automatic dimming mirror, Digital transmission range sensor, Backup lamps
28 5 Radio (Start)/DVD (Start)
29 10 Digital transmission range sensor, PWR feed to fuse #28 (Start feed)
30 5 Daytime Running Lamps (DRL), Remote solenoid, DEATC climate controller, Manual climate control, Manual climate control temp blend actuator
Relay
No. Description
1 Flasher
2 Rear defrost
3 Delayed accessory
4 Open
5 Battery saver
6 Open
7 Open