Mercury Mountaineer 2006-2010 uses a passenger-compartment fuse panel and an engine-compartment Power Distribution Box. Several ratings changed after 2006 and again for 2008-2010, so the year-specific rows are retained separately.
For the previous generation, see Mercury Mountaineer 2002-2005.
Passenger-compartment fuse panel
| Position | Rating [A] | Protected component / function |
|---|---|---|
| 1 | 20 | Moonroof, adjustable pedals, Driver Seat Module, memory seats, lumbar motor |
| 2 | 5 | Microcontroller power |
| 3 | 20 | Radio, navigation amplifier, GPS module |
| 4 | 10 | 2007-2010: OBD-II diagnostic connector |
| 20 | 2006: OBD-II diagnostic connector | |
| 5 | 5 | Moonroof, door-lock switch illumination – 2008-2010, auto-dimming rear-view mirror – 2010, rear-view mirror with microphone – 2008-2009 |
| 6 | 20 | Liftgate release motor, door unlock/lock |
| 7 | 15 | Trailer-tow stop / turn |
| 8 | 15 | Ignition-switch power, Passive Anti-Theft System, instrument cluster |
| 9 | 2 | 6R transmission-control / powertrain-control module RUN/START ignition, fuel-pump relay |
| 10 | 5 | Front-wiper RUN/ACC relay in Power Distribution Box |
| 11 | 5 | Radio START |
| 12 | 5 | Rear-wiper motor RUN/ACC, trailer-tow battery-charge relay in PDB, radio |
| 13 | 15 | Heated mirrors, manual-climate reverse indicator |
| 14 | 20 | Horn |
| 15 | 10 | Rear lamps |
| 16 | 10 | Trailer-tow rear lamps |
| 17 | 10 | Brake-control module, occupant classification, Passenger Airbag Deactivation lamp – 2006-2007 |
| 18 | 10 | Roll Stability Control switch – 2010, RSC – 2010, AWD module, heated-seat switches, reverse parking aid – 2010, IVD switch – 2006-2009, IVD, compass – 2006-2009, electrochromic mirror – 2006-2009, auxiliary climate control |
| 19 | – | Not used |
| 20 | 10 | Air conditioning, brake system, DEATC – 2006-2009 |
| 21 | – | Not used |
| 22 | 15 | Brake switch, two-color stop lamps, center high-mounted stop lamp, all turn signals |
| 23 | 15 | Interior lamps, puddle lamps, battery saver, instrument illumination, HomeLink |
| 24 | 10 | Instrument cluster, alarm indicator |
| 25 | 15 | Trailer-tow parking lamps |
| 26 | 15 | License-plate / rear parking lamps, front parking lamps, manual climate control |
| 27 | 15 | Three-color stop lamps |
| 28 | 10 | Climate control |
| CB1 | 25 | Circuit breaker: power windows |
Engine-compartment Power Distribution Box
2006 layout
2007-2010 layout
| Position | Rating [A] | Protected component / function |
|---|---|---|
| 1 | 50 | Battery feed 2 – passenger-compartment fuse panel |
| 2 | 50 | Battery feed 3 – passenger-compartment fuse panel |
| 3 | 50 | Battery feed 1 – passenger-compartment fuse panel |
| 4 | 30 | Fuel pump, fuel injectors |
| 5 | 30 | Third-row seat – left |
| 6 | 40 | 2007-2010: ABS pump; 2006: IVD module |
| 7 | 40 | Powertrain Control Module |
| 8 | – | Not used |
| 9 | – | Not used |
| 10 | 30 | Power seat – right |
| 11 | 30 | Starter |
| 12 | 30 | Third-row seat – right |
| 13 | 30 | Trailer-tow battery charge |
| 14 | 30 | Memory seats |
| 40 | Seats without memory | |
| 15 | 40 | Heated rear window, heated mirrors |
| 16 | 40 | Front blower motor |
| 17 | 30 | Electronic trailer brakes |
| 18 | 30 | Auxiliary blower motor |
| 19 | 30 | Running boards |
| 20 | 30 | 2008-2010: front wiper motor |
| 21 | 20 | Rear power point |
| 22 | 20 | Subwoofer |
| 23 | – | Not used |
| 24 | 10 | PCM keep-alive power, canister vent |
| 25 | 20 | Front power point / cigarette lighter |
| 26 | 20 | AWD module |
| 27 | 20 | 6R transmission module |
| 28 | 20 | Heated seats |
| 29 | 15 | 2007-2010: right headlamp |
| 20 | 2006: right headlamp | |
| 30 | 25 | Rear wiper |
| 31 | 15 | Fog lamps |
| 32 | 5 | 2007-2010: power mirrors |
| 33 | 30 | 2007-2010: ABS valve; 2006: IVD module |
| 34 | 15 | 2007-2010: left headlamp |
| 20 | 2006: left headlamp | |
| 35 | 10 | A/C clutch |
| 36 | 20 | Console power point |
| 37 | 30 | 2008-2010: driver-window motor; 2006-2007: front wiper |
| 38 | 15 | 5R transmission |
| 39 | 15 | PCM power |
| 40 | 15 | Fan clutch, PCV valve, A/C clutch relay, GCC fan – 2006-2009 |
| 41 | 15 | Satellite-radio module, DVD, SYNC |
| 42 | 15 | Redundant brake switch, electronic vapor-management valve, MAF sensor, HEGO sensor, EVR, VCT1 and VCT2 – 4.6 L, CMCV – 4.6 L, catalyst-monitor sensor |
| 43 | 15 | Coil-on-plug – 4.6 L, coil tower – 4.0 L |
| 44 | 15 | Fuel injectors |
| Relay | ||
| 45A | Relay | Not used |
| 45B | Relay | 2006-2009: GCC fan |
| 46A | Relay | Not used |
| 46B | Relay | Not used |
| 47 | Relay | 2006: front wiper |
| 48 | Relay | 2006: PCM |
| 49 | Relay | Fuel pump |
| 50A | Relay | Fog lamps |
| 50B | Relay | A/C clutch |
| 54 | Relay | Trailer-tow battery charge |
| 55 | Relay | Starter |
| 55A | Relay | PCM |
| 55B | Relay | Front wiper |
| 56 | Relay | Blower |
| 56A | Relay | Blower |
| 56B | Relay | Starter |
| Diode | ||
| 51 | Diode | Not used |
| 52 | Diode | 2006-2007: A/C clutch |
| 53 | Diode | 2008-2010: One-Touch Integrated Start |
Commonly checked circuits
- OBD-II: cabin position 4 – 20 A in 2006, 10 A in 2007-2010.
- Cigarette lighter / front power point: under-hood position 25 – 20 A.
- Fuel pump: under-hood position 4 – 30 A and relay 49.
- ABS: under-hood position 6 – 40 A and position 33 – 30 A on 2007-2010 vehicles.
FAQ – Mercury Mountaineer 2006-2010 fuses
Why are the headlamp fuse ratings different for 2006?
Positions 29 and 34 are 20 A on 2006 vehicles and 15 A on 2007-2010 vehicles.