The third-generation Mercury Mountaineer was produced from 2006 to 2010. If you own one of these models, it’s essential to know about the fuse box diagrams for each year: 2006, 2007, 2008, 2009, and 2010. This information will help you locate the fuse panels inside the vehicle and understand the specific function and layout of each fuse and relay. This knowledge can be crucial for troubleshooting electrical issues and performing routine maintenance.
Table of Contents
Cigar lighter (power outlet) fuses in the Mercury Mountaineer are the fuses #21 (Rear power point), #25 (Front power point/Cigar lighter) and #36 (Console bin power point) in the Engine compartment fuse box.
Engine Compartment
| Fuse Number | Protected Circuits | Fuse Amp |
|---|---|---|
| 1 | Battery feed 2 (passenger compartment fuse panel) | 50 |
| 2 | Battery feed 3 (passenger compartment fuse panel) | 50 |
| 3 | Battery feed 1 (passenger compartment fuse panel) | 50 |
| 4 | Fuel pump, Injectors | 30 |
| 5 | Third row seat (left) | 30 |
| 6 | 2006: IVD module 2007-2010: Anti-lock brake system (ABS) pump | 40 |
| 7 | Powertrain control module (PCM) | 40 |
| 8 | Not used | — |
| 9 | Not used | — |
| 10 | Power seat (right) | 30 |
| 11 | Starter | 30 |
| 12 | Third row seat (right) | 30 |
| 13 | Trailer tow battery charger | 30 |
| 14 | Memory seats | 30 |
| 14 | Non-memory seats | 40 |
| 15 | Rear defrost, Heated mirrors | 40 |
| 16 | Front blower motor | 40 |
| 17 | Trailer electronic brakes | 30 |
| 18 | Auxiliary blower motor | 30 |
| 19 | Running boards | 30 |
| 20 | 2008-2010: Front wiper motor | 30 |
| 21 | Rear power point | 20 |
| 22 | Subwoofer | 20 |
| 23 | Not used | — |
| 24 | PCM – keep alive power, Canister vent | 10 |
| 25 | Front power point/Cigar lighter | 20 |
| 26 | All wheel drive (AWD) module | 20 |
| 27 | 6R Transmission module | 20 |
| 28 | Heated seats | 20 |
| 29 | Headlamps (right) | 15/20 |
| 30 | Rear wiper | 25 |
| 31 | Fog lamps | 15 |
| 32 | 2007-2010: Power mirrors | 5 |
| 33 | 2006: IVD module 2007-2010: ABS valve | 30 |
| 34 | Headlamps (left) | 15/20 |
| 35 | A/C clutch | 10 |
| 36 | Console bin power point | 20 |
| 37 | 2006-2007: Front wiper 2008-2010: Driver window motor | 30 |
| 38 | 5R Transmission | 15 |
| 39 | PCM power | 15 |
| 40 | Fan clutch, Positive crackcase ventilation (PCV) valve, A/C clutch relay, GCC fan (2006-2009) | 15 |
| 41 | Satellite radio module, DVD, SYNC | 15 |
| 42 | Redundant brake switch, Electronic vapor management valve, Mass air flow sensor, Heated exhaust gas oxygen (HEGO) sensor, EVR, Variable cam timing (VCT)1 (4.6L engine only), VCT2 (4.6L engine only), CMCV (4.6L engine only), Catalyst monitor sensor | 15 |
| 43 | Coil on plug (4.6L engine only), Coil tower (4.0L engine only) | 15 |
| 44 | Injectors | 15 |
| Relays | ||
| 45A | Not used | |
| 45B | 2006-2009: GCC fan | |
| 46A | Not used | |
| 46B | Not used | |
| 47 | 2006: Front wiper | |
| 48 | 2006: PCM | |
| 49 | Fuel pump | |
| 50A | Fog lamps | |
| 50B | A/C clutch | |
| 54 | Trailer battery charger | |
| 55 | Starter | |
| 55A | PCM | |
| 55B | Front wiper | |
| 56 | Blower | |
| 56A | Blower | |
| 56B | Starter | |
| Diodes | ||
| 51 | Not used | |
| 52 | 2006-2007: A/C clutch | |
| 53 | 2008-2010: One touch integrated start (OTIS) |
Passenger Compartment
| Fuse Number | Protected Circuits | Fuse Amp |
|---|---|---|
| 1 | Moon roof, Adjustable pedals, DSM, Memory seats, Lumbar motor | 20 |
| 2 | Microcontroller power | 5 |
| 3 | Radio, Navigation amplifier, GPS module | 20 |
| 4 | On-board diagnostic (OBD II) connector | 10 20 (2006) |
| 5 | Moon roof, Door lock switch illumination (2008-2010), Auto dimming rear view mirror (2010), Rearview mirror with microphone (2008-2009) | 5 |
| 6 | Liftglass release motor, Door unlock/lock | 20 |
| 7 | Trailer stop/turn | 15 |
| 8 | Ignition switch power, Passive anti-theft system (PATS), Cluster | 15 |
| 9 | 6R Transmission control module/Powertrain control module (Ignition RUN/START), Fuel pump relay | 2 |
| 10 | Front wiper RUN/ACC relay in power distribution box (PDB) | 5 |
| 11 | Radio start | 5 |
| 12 | Rear wiper motor RUN/ACC, Trailer battery charge relay in PDB, Radio | 5 |
| 13 | Heated mirror, Manual climate rear defrost indicator | 15 |
| 14 | Horn | 20 |
| 15 | Reverse lamps | 10 |
| 16 | Trailer reverse lamps | 10 |
| 17 | Restraints control module, Passenger occupancy, PAD lamp (2006-2007) | 10 |
| 18 | Reverse park aid, IVD switch, IVD, AWD module, Heated seat switches, Compass, Electrochromatic mirror, AUX climate control | 10 |
| 19 | Not used | — |
| 20 | Climate control system, Brake shift, DEATC (2006-2009) | 10 |
| 21 | Not used | — |
| 22 | Brake switch, Bi-color stop lamps, High-mount brake lamp, All turn lamps | 15 |
| 23 | Interior lamps, Puddle lamps, Battery saver, Instrument illumination, HomeLink | 15 |
| 24 | Cluster, Theft indicator light | 10 |
| 25 | Trailer tow park lamps | 15 |
| 26 | License plate/rear park lamp, Front park lamps, Manual climate | 15 |
| 27 | Tri-color stop lamps | 15 |
| 28 | Climate controls | 10 |
| CB1 | Circuit Breaker: Windows | 25 |
| Relays | ||
| The following relays are located on either side of the passenger compartment fuse panel. See your authorized dealer for service of these relays. | ||
| Relay 1 | Delayed ACC | |
| Relay 2 | 2006, 2007: Rear defrost | |
| Relay 3 | 2006, 2007: Park lamps | |
| Relay 4 | 2006, 2007: RUN/START |
Next Post : 2004-2007 Mercury Monterey fuse box diagram
Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.