Mercury Mountaineer (2006 - 2010) Fuse Box Diagram

avatar Jonathan Yarden
Year of production: 2006, 2007, 2008, 2009, 2010

Passenger compartment fuse panel

Mercury Mountaineer Third Generation - fuse box - passenger panel

The fuse panel is located below the instrument panel on the driverโ€™s side.

No. A Protected Circuits
1 20 Moon roof, Adjustable pedals, DSM, Memory seats, Lumbar motor
2 5 Microcontroller power
3 20 Radio, Navigation amplifier, GPS module
4 10 โ€™07-โ€™10:ย On-board diagnostic (OBD II) connector
20 โ€™06:ย On-board diagnostic (OBD II) connector
5 5 Moon roof, Door lock switch illumination (โ€™08-โ€™10), Auto dimming rear view mirror (โ€™10), Rearview mirror with microphone (โ€™08-โ€™09)
6 20 Liftglass release motor, Door unlock/lock
7 15 Trailer stop/turn
8 15 Ignition switch power, Passive anti-theft system (PATS), Cluster
9 2 6R Transmission control module/Powertrain control module (Ignition RUN/START), Fuel pump relay
10 5 Front wiper RUN/ACC relay in power distribution box (PDB)
11 5 Radio start
12 5 Rear wiper motor RUN/ACC, Trailer battery charge relay in PDB, Radio
13 15 Heated mirror, Manual climate rear defrost indicator
14 20 Horn
15 10 Reverse lamps
16 10 Trailer reverse lamps
17 10 Restraints control module, Passenger occupancy, PAD lamp (โ€™06-โ€™07)
18 10 Roll Stability Controlโ„ข (RSC) switch (โ€™10), RSC (โ€™10), All wheel drive (AWD) module, Heated seat switches, Reverse park aid (โ€™10)
IVD switch (โ€™06-โ€™09), IVD, Compass (โ€™06-โ€™09), Electrochromatic mirror (โ€™06-โ€™09), Auxiliary climate control
19 โ€” Not used
20 10 Climate control system, Brake shift, DEATC (โ€™06-โ€™09)
21 โ€” Not used
22 15 Brake switch, Bi-color stop lamps, High-mount brake lamp, All turn lamps
23 15 Interior lamps, Puddle lamps, Battery saver, Instrument illumination, HomeLinkยฎ
24 10 Cluster, Theft indicator light
25 15 Trailer tow park lamps
26 15 License plate/rear park lamp, Front park lamps, Manual climate
27 15 Tri-color stop lamps
28 10 Climate controls
CB1 25 Circuit Breaker:ย Windows

Engine Compartment Fuse Box

โ€™06:

Mercury Mountaineer - fuse box diagram - engine compartment

โ€™07 โ€“ โ€™10:

Mercury Mountaineer - fuse box diagram - engine compartment

Fuse/relay Ampere rating [A] Description
1 50** BATT 2 (SJB)
2 50** BATT 3 (SJB)
3 50** BATT 1 (SJB)
4 30** Fuel pump, Injectors
5 30** Third row seat (left)
6 40** IVD module
7 40** Powertrain Control Module (PCM)
8 40** Heated windshield (left)
9 40** Heated windshield (right)
10 30** Power seat (right)
11 30** Starter
12 30** Third row seat (right)
13 30** Trailer tow battery charger
14 30** Memory seats (DSM)
40** Non-memory seats
15 40** Rear defrost, Heated mirrors
16 40** Blower motor
17 30** Trailer electronic brakes
18 30** Auxiliary blower motor
19 30** Running boards
20 โ€” Not used
21 20* Rear power point
22 20* Subwoofer
23 โ€” Not used
24 10* Powertrain Control Module (PCM) KAP, CAN vent
25 20* Front power point/Cigar lighter
26 20* AWD module
27 20* 6R Transmission module
28 20* Heated seats, Power mirrors
29 20* Headlamps (right)
30 25* Rear wiper
31 15* Fog lamps
32 5* Power mirrors
33 30* IVD module
34 20* Headlamps (left)
35 10* AC clutch
36 โ€” Not used
37 30* Front wiper
38 15* 5R Transmission
39 15* PCM power
40 15* Fan clutch, PCV valve, AC clutch relay, GCC fan
41 15* SDARS/DVD
42 15* Redundant brake switch, EVMV, MAFS, HEGO, EVR, VCT1, VCT2, CMCV, CMS
43 15* Coil on plug (4.6L engine only), Coil tower (4.0L engine only)
44 15 Injectors
45A โ€” Not used
45B โ€” GCC fan relay
46A โ€” Not used
46B โ€” Not used
47 โ€” Front wiper relay
48 โ€” PCM relay
49 โ€” Fuel pump relay
50A โ€” Fog lamps relay
50B โ€” AC clutch relay
51 โ€” Not used
52 โ€” A/C clutch (diode)
53 โ€” Not used
54 โ€” Trailer battery charger relay
55 โ€” Starter relay
56 โ€” Blower relay
* Mini Fuses ** Cartridge Fuses

WARNING:ย Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market

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