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Mercury Mariner Hybrid (2006 - 2010) - fuse box diagram

avatar Jonathan Yarden Feb 11, 2021 · 5 min. read

In this article you will find a description of fuses and relays Mercury, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2006, 2007, 2008, 2009, 2010

Passenger compartment fuse panel

Mercury Mariner - fuse box - passenger compartment

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 fuses.

Fuse/relay Ampere rating [A] Description
1 Not used
2 Not used
3 15* Front and rear park lamps
4 10* Ignition switch
5 2* Powertrain Control Module (PCM relay), PATS module
6 15* Stop lamps
7 10* Instrument cluster, Power mirror switch, Radio
8 Not used
9 300** Power door locks
10 15* Heated mirrors, Rear defroster switch indicator
11 15* Moon roof
12 5* Radio
13 Not used
14 Not used
15 30** Power windows
16 15* Subwoofer
17 15* Low beams
18 10* 4×4
19 Not used
20 15* Horn
21 10* Rear wiper motor, Rear wiper washer
22 10* Instrument cluster
23 Not used
24 20* Cigar lighter
25 20* Front wiper motor, Front wiper washer
26 5* Climate control system mode switch
27 5* Traction (high voltage) Battery Control Module (TBCM), Injectors
28 10* Instrument cluster
29 10* Back-up lamps, Reverse park aid
30 Not used
31 Not used
32 10* Spare
33 15* Air bag module
34 5* Brake System Control Module (BSCM), Power Steering Control Module (PSCM)
35 5* 4×4, Heated seats
* Mini fuse ** Cartridge fuse

Power distribution box

Mercury Mariner - fuse box - power distribution box

The power distribution box is located in the engine compartment. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads.

Fuse/relay Ampere rating [A] Description
1 5* Brake module
2 10* Climate control
3 5* Transaxle Control Module (TCM)
4 7,5* Traction (high voltage) Battery Control Module (TBCM), Powertrain Control Module (PCM)
5 5* Interlock
6 15* PCM power
7 15* Heated Exhaust Gas Oxygen (HEGO) sensors
8 10* TCM VPWR
9 20* Fuel pump
10 30* Bussed power feed to PDB fuses 1, 2, 3, 4
11 20* Foglamps
12 25* Exterior lighting
13 25* B+ lighting
14 Not used
15 20* Ignition main
16 15* A/C clutch
17 20* Power point
18 30* Injectors, COP (Coil-on-plug)
19 40** Climate control blower
20 40** Cooling fan #1
21 40** PCM power
22 40** SJB power (Passenger compartment fuse box) power #1
23 40** SJB power (Passenger compartment fuse box) power #2
24 50** BSCM #1
25 50** Power Steering Control Module (PSCM) #1
26 50** TBCM (high voltage battery) cooling fans and jump start
27 40** Cooling fan #2
28 40** Rear defroster, Heated mirrors
29 20** Heated seats
30 40** SJB (Passenger compartment fuse box) power #3
31 50** BSCM #2
32 50** PSCM #2
001 Relay Power sustain for PCM, TBCM and Transaxle Control Module (TCM)
002 Relay PCM power
003 Relay Injector
004 Relay Auxiliary coolant pump
005 Relay Motor/Electronic coolant pump
006 Relay Foglamps
007 Relay A/C clutch
Diode 01 A/C clutch
Diode 02 Not used
* Mini fuse **Cartridge fuse

Auxiliary relay box

Mercury Mariner - fuse box - auxiliary relay box

The relay box is located on the radiator support (left of the hood latch).

Fuse/relay Description
Relay 1 Driver side cooling fan
Relay 2 Passenger side cooling fan (low-speed)
Relay 3 Passenger side cooling fan (high-speed)

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market

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