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Mercury Mariner (2008-2011) fuses and relays

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In this article, we consider the second-generation Mercury Mariner, produced from 2008 to 2011. Here you will find fuse box diagrams of Mercury Mariner 2008, 2009, 2010 and 2011, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

See other Mercury Mariner:


Mercury Mariner (2005-2007)…>>

Fuse Layout Mercury Mariner 2008-2011

Cigar lighter (power outlet) fuses in the Mercury Mariner are the fuse #40 (Front power point) in the Passenger Compartment fuse box, and fuse #3 (Rear power point – center console) in the Engine Compartment Fuse Box.

Passenger Compartment Fuse Box

Fuse box location

The fuse box is located on the passenger side of the center console, behind the cover.

Fuse box diagram

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Assignment of the fuses and relay in the passenger compartment
№Protected componentsAmp
1110V inverter30
2Brake On/Off switch15
32009-2011: SYNC_x0002_ module15
42009-2011: Moon roof30
5Keypad illumination, Brake Shift Interlock (BSI), Passenger compartment fuse panel10
6Turn signals, Stop lamps20
7Low beam headlamps (left)10
8Low beam headlamps (right)10
9Interior lights15
10Backlighting15
11Four wheel drive10
12Power mirror switch7.5
132008: Canister vent7.5
14FCIM (radio buttons), Satellite radio, Front display module, GPS module (2010-2011)10
15Climate control10
16Not used (spare)15
17All lock motor feeds, Liftgate release, Liftglass release20
18Heated seat20
19Rear wiper25
20Datalink15
21Fog lamps15
22Park lamps15
23High beam headlamps15
24Horn relay20
25Demand lamps10
26Instrument panel cluster10
27Ignition switch20
28Radio5
29Instrument panel cluster5
302008: Overdrive cancel5
31Restraints control module10
322010-2011: Rear video camera module10
332008: Speed control switch10
342008: Speed control deactivate switch, ABS5
35Four wheel drive, Electric power assist steering (EPAS), Park aid module, Active park assist module (2010-2011), 110V inverter module10
36Passive anti-theft system (PATS) transceiver5
37Climate control10
38Subwoofer/Amp (audiophile radio / premium radio)20
39Radio, Radio amplifier (navigation only (2010-2011))20
40Front power point20
41Driver/passenger door lock switches, Automatic dimming mirror, Compass, Ambient lighting, Moon roof, Camera display in mirror15
42Not used (spare)10
43Rear wiper logic, Heated seats relay, Instrument cluster10
44Not used (spare)10
45Front wiper logic, Blower motor relay5
46Occupant classification system (OCS), Passenger airbag deactivation indicator (PADI)7.5
47Circuit Breaker: Power windows, Moon roof (2008)30
Relay
48Delayed accessory

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Engine Compartment Fuse Box

Fuse box location

The Power distribution box is located in the engine compartment (on the driver’s side).

Fuse box diagram

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Assignment of the fuses and relays in the engine compartment
№Protected componentsAmp
AElectronic power steering module (EPAS)80
BPassenger compartment fuse panel (SPDJB)125
1Heated mirror15
2Rear defroster30
3Rear power point (center console)20
42008: Fuel pump (except Hybrid)20
4Hybrid:  Electric vacuum pump40
5Powertrain Control Module (PCM) Keep Alive power, PCM relay (2009-2011), Canister vent (2009-2011), Transmission control module (Hybrid)10
6except Hybrid:  Alternator15
72008: Reverse lamps10
72009-2011: Liftgate latch15
8Trailer tow parking lamps20
8Hybrid:  Traction battery control module5
9Anti-lock Brake System (ABS)
Hybrid: Brake control module		50
10Front wipers30
11except Hybrid:  Starter30
12Blower motor40
13A/C clutch10
14except Hybrid:  Trailer tow turn lamps15
14Hybrid:  Heater/Coolant pump10
15Hybrid:  Traction Battery Control Module (TBCM)10
16Cooling fan 140
17Cooling fan 240
18except Hybrid:  ABS solenoid20
18Hybrid:  Brake control module solenoid50
19Power seats30
222009-2011: Fuel pump (except Hybrid)20
22Hybrid:  Ignition coils15
232009-2011: Fuel injectors (except Hybrid)15
242008:  PCM transmission (except Hybrid)
Hybrid: Transmission control module		10
252009-2011: Anti-lock Brake System (ABS) (except Hybrid)
Hybrid: Traction battery control module, Thermal expansion valve		5
262008: PCM mil (except Hybrid)10
262009-2011: Ignition coils (except Hybrid)15
26Hybrid:  Fuel pump, Traction battery control module20
272008: PCM non-mil
2009-2011: PCM – general powertrain components malfunction indicator lamp		10
282008: PCM (except Hybrid)

Hybrid:  Heated Exhaust Gas Oxygen (HEGO) sensor, PCM (mil-on — malfunction indicator lamp)		15
282009-2011: PCM – emission related powertrain components malfunction indicator lamp (except Hybrid)20
292008: Ignition coils
2009-2011: PCM		15
32Hybrid:  A/C clutch diode—
33PCM diode—
34except Hybrid:  Start diode—
35Reverse lamp relay, Speed control module (2008), Rear defrost relay, Run/start (2009-2011)10
36Not used—
37Not used—
Relays
20A/C clutch
21ARear defroster
21B2009-2011: Fuel pump
Hybrid: Ignition
21CBlower
21DPCM
30Cooling fan 1
30BStarter
Hybrid: Electric vacuum pump mechanical
30CCooling fan main
30DCooling fan 2
31AReverse lamp
31B2008: Fuel pump
31Cexcept Hybrid:  Trailer tow left turn
Hybrid: Heater pump
31Dexcept Hybrid:  Trailer tow right turn
Hybrid: Coolant pump
31Eexcept Hybrid:  Trailer tow park
31F2009-2011: Liftgate latch

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Additional Relay Box (Hybrid)

Additional Relay Box (Hybrid)
№Protected componentsA
1Not used—
2Not used—
3Not used—
4Vacuum pump monitor5
5Not used—
6Not used—
RelayElectric vacuum pump (solid state)
Learn more:

How to check the fuses?

How to replace a blown fuse?

Why do car fuses blow?

Types of automotive fuses

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