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Fuse box diagram (fuse layout), location, and assignment of fuses and relays Mercury Mariner and Mariner Hybrid (2008, 2009, 2010, 2011).
Checking and Replacing Fuses
Fuses and circuit breakers protect your vehicle’s electrical system from overloading. If electrical components in the vehicle are not working, the system may have been overloaded and blown a fuse or tripped a circuit breaker. Check the appropriate fuses before replacing any electrical components. A blown fuse can be identified by a break in the wire within the fuse.
Notice
- Before replacing a fuse check that the key has been removed from the ignition and that all the services are switched off and/or disengaged.
- Always disconnect the battery before servicing high current fuses.
- Do not repair fuses and never replace a blown fuse with one that has a higher amp rating. This can severe wire damage and could start a fire.
- Never replace a broken fuse with anything other than a new fuse.
- Even after a fuse is replaced, it will continue to blow if the cause of the overload is not identified and corrected. If the fuse continues to blow, have the vehicle’s electrical system checked by your dealer or a qualified service technician.
Passenger Compartment Fuse Box
The fuse panel is located on the right-hand side of the center console, by the instrument panel. Remove the panel cover to access the fuse cover. Press the tabs on the top and bottom of the fuse cover to remove.
| № | A | Protected components |
|---|---|---|
| 1 | 30 | 110V inverter |
| 2 | 15 | Brake On/Off switch |
| 3 | 15 | 2009-2011: SYNC module |
| 4 | 30 | 2009-2011: Moon roof |
| 5 | 10 | Keypad illumination, Brake Shift Interlock (BSI), Passenger compartment fuse panel |
| 6 | 20 | Turn signals, Stop lamps |
| 7 | 10 | Low beam headlamps (left) |
| 8 | 10 | Low beam headlamps (right) |
| 9 | 15 | Interior lights |
| 10 | 15 | Backlighting |
| 11 | 10 | Four wheel drive |
| 12 | 7.5 | Power mirror switch |
| 13 | 7.5 | 2008: Canister vent |
| 14 | 10 | FCIM (radio buttons), Satellite radio, Front display module, GPS module (2010-2011) |
| 15 | 10 | Climate control |
| 16 | 15 | Not used (spare) |
| 17 | 20 | All lock motor feeds, Liftgate release, Liftglass release |
| 18 | 20 | Heated seat |
| 19 | 25 | Rear wiper |
| 20 | 15 | Datalink |
| 21 | 15 | Fog lamps |
| 22 | 15 | Park lamps |
| 23 | 15 | High beam headlamps |
| 24 | 20 | Horn relay |
| 25 | 10 | Demand lamps |
| 26 | 10 | Instrument panel cluster |
| 27 | 20 | Ignition switch |
| 28 | 5 | Radio |
| 29 | 5 | Instrument panel cluster |
| 30 | 5 | 2008: Overdrive cancel |
| 31 | 10 | Restraints control module |
| 32 | 10 | 2010-2011: Rear video camera module |
| 33 | 10 | 2008: Speed control switch |
| 34 | 5 | 2008: Speed control deactivate switch, ABS |
| 35 | 10 | Four wheel drive, Electric power assist steering (EPAS), Park aid module, Active park assist module (2010-2011), 110V inverter module |
| 36 | 5 | Passive anti-theft system (PATS) transceiver |
| 37 | 10 | Climate control |
| 38 | 20 | Subwoofer/Amp (audiophile radio / premium radio) |
| 39 | 20 | Radio, Radio amplifier (navigation only (2010-2011)) |
| 40 | 20 | Front power point |
| 41 | 15 | Driver/passenger door lock switches, Automatic dimming mirror, Compass, Ambient lighting, Moon roof, Camera display in mirror |
| 42 | 10 | Not used (spare) |
| 43 | 10 | Rear wiper logic, Heated seats relay, Instrument cluster |
| 44 | 10 | Not used (spare) |
| 45 | 5 | Front wiper logic, Blower motor relay |
| 46 | 7.5 | Occupant classification system (OCS), Passenger airbag deactivation indicator (PADI) |
| 47 | 30 | Circuit Breaker: Power windows, Moon roof (2008) |
| 48 | Delayed accessory | |
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Engine Compartment Fuse Box
The power distribution box is located on the driver’s side of the engine compartment. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads.
| № | A | Protected components |
|---|---|---|
| A | 80 | Electronic power steering module (EPAS) |
| B | 125 | Passenger compartment fuse panel (SPDJB) |
| 1 | 15 | Heated mirror |
| 2 | 30 | Rear defroster |
| 3 | 20 | Rear power point (center console) |
| 4 | 20 | 2008: Fuel pump (except Hybrid) |
| 40 | Hybrid: Electric vacuum pump | |
| 5 | 10 | Powertrain Control Module (PCM) Keep Alive power, PCM relay (2009-2011), Canister vent (2009-2011), Transmission control module (Hybrid) |
| 6 | 15 | except Hybrid: Alternator |
| 7 | 10 | 2008: Reverse lamps |
| 15 | 2009-2011: Liftgate latch | |
| 8 | 20 | Trailer tow parking lamps |
| 5 | Hybrid: Traction battery control module | |
| 9 | 50 | Anti-lock Brake System (ABS) |
| Hybrid: Brake control module | ||
| 10 | 30 | Front wipers |
| 11 | 30 | except Hybrid: Starter |
| 12 | 40 | Blower motor |
| 13 | 10 | A/C clutch |
| 14 | 15 | except Hybrid: Trailer tow turn lamps |
| 10 | Hybrid: Heater/Coolant pump | |
| 15 | 10 | Hybrid: Traction Battery Control Module (TBCM) |
| 16 | 40 | Cooling fan 1 |
| 17 | 40 | Cooling fan 2 |
| 18 | 20 | except Hybrid: ABS solenoid |
| 50 | Hybrid: Brake control module solenoid | |
| 19 | 30 | Power seats |
| 22 | 20 | 2009-2011: Fuel pump (except Hybrid) |
| 15 | Hybrid: Ignition coils | |
| 23 | 15 | 2009-2011: Fuel injectors (except Hybrid) |
| 24 | 10 | 2008: PCM transmission (except Hybrid) |
| Hybrid: Transmission control module | ||
| 25 | 5 | 2009-2011: Anti-lock Brake System (ABS) (except Hybrid) |
| Hybrid: Traction battery control module, Thermal expansion valve | ||
| 26 | 10 | 2008: PCM mil (except Hybrid) |
| 15 | 2009-2011: Ignition coils (except Hybrid) | |
| 20 | Hybrid: Fuel pump, Traction battery control module | |
| 27 | 10 | 2008: PCM non-mil |
| 2009-2011: PCM – general powertrain components malfunction indicator lamp | ||
| 28 | 15 | 2008: PCM (except Hybrid) |
| Hybrid: Heated Exhaust Gas Oxygen (HEGO) sensor, PCM (mil-on — malfunction indicator lamp) | ||
| 20 | 2009-2011: PCM – emission related powertrain components malfunction indicator lamp (except Hybrid) | |
| 29 | 15 | 2008: Ignition coils |
| 2009-2011: PCM | ||
| 32 | — | Hybrid: A/C clutch diode |
| 33 | — | PCM diode |
| 34 | — | except Hybrid: Start diode |
| 35 | 10 | Reverse lamp relay, Speed control module (2008), Rear defrost relay, Run/start (2009-2011) |
| 36 | — | Not used |
| 37 | — | Not used |
| 20 | A/C clutch | |
| 21A | Rear defroster | |
| 21B | 2009-2011: Fuel pump | |
| Hybrid: Ignition | ||
| 21C | Blower | |
| 21D | PCM | |
| 30 | Cooling fan 1 | |
| 30B | Starter | |
| Hybrid: Electric vacuum pump mechanical | ||
| 30C | Cooling fan main | |
| 30D | Cooling fan 2 | |
| 31A | Reverse lamp | |
| 31B | 2008: Fuel pump | |
| 31C | except Hybrid: Trailer tow left turn | |
| Hybrid: Heater pump | ||
| 31D | except Hybrid: Trailer tow right turn | |
| Hybrid: Coolant pump | ||
| 31E | except Hybrid: Trailer tow park | |
| 31F | 2009-2011: Liftgate latch | |
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Additional Relay Box (Hybrid)
| № | A | Protected components |
|---|---|---|
| 1 | — | Not used |
| 2 | — | Not used |
| 3 | — | Not used |
| 4 | 5 | Vacuum pump monitor |
| 5 | — | Not used |
| 6 | — | Not used |
| R1 | Electric vacuum pump (solid state) | |
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