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.
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 | 15 | Trailer tow park lamps |
| 2 | — | Not used |
| 3 | 15* | Front and rear park lamps |
| 4 | 10* | Ignition switch |
| 5 | 2* | Powertrain Control Module (PCM relay), Fuel pump relay, Main fan relay, High/Low speed fan relay 2, PATS module |
| 6 | 15* | Center High-Mounted Stop Lamp (CHMSL), Stop lamps, PCM, Anti-lock Brake System (ABS), Speed control, Brake On-Off switch |
| 7 | 10* | Instrument cluster, Diagnostic connector, Power mirror switch, Radio |
| 8 | 5* | Canister vent (’07) |
| 9 | 30** | Power door locks, Power seats |
| 10 | 15* | Heated mirrors |
| 11 | 15* | Sunroof, Electrochromatic mirror, Compass |
| 12 | 5* | Radio |
| 13 | — | Not used |
| 14 | — | Not used |
| 15 | 30** | Power windows |
| 16 | 15* | Subwoofer |
| 17 | 15* | Low beams |
| 18 | 10* | 4WD |
| 19 | — | Not used |
| 20 | 15* | Horn |
| 21 | 10* | ’05-’06: Rear wiper motor, Rear wiper washer |
| 15 | ’07: 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* | Canister vent (’05-’06), Speed control cancel switch |
| 28 | 10* | Instrument cluster |
| 29 | 10* | Reverse park aid |
| 30 | — | Not used |
| 31 | — | Not used |
| 32 | 10* | Brake-Transmission shift lock |
| 33 | 15* | Air bag module, Passenger Air bag Deactivation (PAD) indicator lamp, Occupant Classification Sensor (OCS) |
| 34 | 5* | ABS module, Evac and Fill, Speed control |
| 35 | 5* | Heated seats module, 4WD |
| * Mini fuse ** Cartridge fuse | ||
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 | — | Not used |
| 2 | 25* | Headlamp power |
| 3 | 25* | High beams, Turn signals, Interior lamps, Headlamp power |
| 4 | 5* | Keep Alive Power (KA PWR) |
| 5 | 15* | Heated Exhaust Gas Oxygen (HEGO) sensors |
| 6 | 20* | Fuel pump |
| 7 | 40** | RUN/ACC relay – Electrochromatic mirror, Cigar lighter, Front and rear wipers, Compass |
| 8 | 30** | Powertrain Control Module (PCM), Injectors and coil |
| 9 | 15* | Alternator |
| 10 | 30* | Heated seats |
| 11 | 10* | PCM |
| 12 | 20* | Power point |
| 13 | 20* | Fog lamps |
| 14 | 15* | A/C clutch, A/C relay |
| 15 | 30* | Anti-lock Brake System (ABS) solenoid |
| 16 | 25* | I/P fuse panel (RUN/START) |
| 17 | 50** | Ignition (main) |
| 18 | 40* | Blower motor |
| 19 | 40** | Accessory delay relay – Subwoofer and 4WD, Low beam |
| 20 | 60** | ABS |
| 21 | 40** | Horn, CHMSL, Cluster, Power locks and power seats |
| 22 | 40**(I4) | 2.3 L: Cooling fan |
| 50** (V6) | 3.0 L:Cooling fan | |
| 23 | 40** | Rear defroster, Park lamps relay |
| 24 | 40** (I4) | 2.3 L: High/Low speed fan |
| 50** (V6) | 3.0 L:High/Low speed fan | |
| 25 | — | Shunt |
| Relay | ||
| R2 | PCM | |
| R3 | Fuel pump relay | |
| R4 | Cooling fan relay | |
| R5 | High/Low speed fan relay 1 | |
| R6 | Blower motor relay | |
| R7 | Starter relay | |
| R8 | High/Low speed fan relay 2 | |
| R9 | Fog lamps relay | |
| R10 | A/C relay | |
| Diode | ||
| D1 | — | |
| D2 | A/C diode | |
| * Mini fuse **Cartridge fuse | ||
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market
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