Mercury Mariner (2008 – 2011) – fuse box diagram
Year of production: 2005, 2006, 2007
Passenger compartment fuse panel
The fuse panel is located on the right-hand side of the center console, by the instrument panel.

| Fuse/relay | Ampere rating [A] | Description |
| 1 | 30 | 110V inverter |
| 2 | 15 | Brake On/Off switch |
| 3 | 15 | ’09-’11: SYNC module |
| 4 | 30 | ’09-’11: 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 | ’08: Canister vent |
| 14 | 10 | FCIM (radio buttons), Satellite radio, Front display module, GPS module (’10-’11) |
| 15 | 10 | Climate control |
| 16 | 15 | — |
| 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 | ’08: Overdrive cancel |
| 31 | 10 | Restraints control module |
| 32 | 10 | ’10-’11: Rear video camera module |
| 33 | 10 | ’08: Speed control switch |
| 34 | 5 | ’08: Speed control deactivate switch, ABS |
| 35 | 10 | Four wheel drive, Electric power assist steering (EPAS), Park aid module, Active park assist module (’10-’11), 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 (’10-’11)) |
| 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 | — |
| 43 | 10 | Rear wiper logic, Heated seats relay, Instrument cluster |
| 44 | 10 | — |
| 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 (’08) |
| Relay | ||
| 48 | Delayed accessory | |
Engine Compartment Fuse Box
2008, Hybrid

2009-2011

| Fuse/relay | Ampere rating [A] | Description |
| 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 | ’08: Fuel pump (except Hybrid) |
| 40 | Hybrid: Electric vacuum pump | |
| 5 | 10 | Powertrain Control Module (PCM) Keep Alive power, PCM relay (’09-’11), Canister vent (’09-’11), Transmission control module (Hybrid) |
| 6 | 15 | except Hybrid: Alternator |
| 7 | 10 | ’08: Reverse lamps |
| 15 | ’09-’11: 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 | ’09-’11: Fuel pump (except Hybrid) |
| 15 | Hybrid: Ignition coils | |
| 23 | 15 | ’09-’11: Fuel injectors (except Hybrid) |
| 24 | 10 | ’08: PCM transmission (except Hybrid) Hybrid: Transmission control module |
| 25 | 5 | ’09-’11: Anti-lock Brake System (ABS) (except Hybrid) Hybrid: Traction battery control module, Thermal expansion valve |
| 26 | 10 | ’08: PCM mil (except Hybrid) |
| 15 | ’09-’11: Ignition coils (except Hybrid) | |
| 20 | Hybrid: Fuel pump, Traction battery control module | |
| 27 | 10 | ’08: PCM non-mil ’09-’11: PCM – general powertrain components malfunction indicator lamp |
| 28 | 15 | ’08: PCM (except Hybrid) Hybrid: Heated Exhaust Gas Oxygen (HEGO) sensor, PCM (mil-on — malfunction indicator lamp) |
| 20 | ’09-’11: PCM – emission related powertrain components malfunction indicator lamp (except Hybrid) | |
| 29 | 15 | ’08: Ignition coils ’09-’11: PCM |
| 32 | — | Hybrid: A/C clutch diode |
| 33 | — | PCM diode |
| 34 | — | except Hybrid: Start diode |
| 35 | 10 | Reverse lamp relay, Speed control module (’08), Rear defrost relay, Run/start (’09-’11) |
| 36 | — | — |
| 37 | — | — |
| Relay | ||
| 20 | A/C clutch | |
| 21A | Rear defroster | |
| 21B | ’09-’11: 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 | ’08: 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 | 09-’11: Liftgate latch | |
Auxiliary relay box (Hybrid)

| Fuse/relay | Ampere rating [A] | Description |
| 1 | — | — |
| 2 | — | — |
| 3 | — | — |
| 4 | 5 | Vacuum pump monitor |
| 5 | — | — |
| 6 | — | — |
| Relay | ||
| R1 | Electric vacuum pump (solid state) | |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market
