In this article, we take a detailed look at the fuse box diagrams for the Lincoln MKZ (first generation / facelift, CD3 platform) for 2005, 2006, 2007, 2008, and 2009 model years with gasoline and hybrid engines.
Fuses 29 and 22 in the engine compartment fuse box power the auxiliary power outlets / cigarette lighter.
Engine Compartment
Contains one main fuse box and an auxiliary relay box (Hybrid models only).
Hybrid Engines
Component locations:
- Main fuse box
- Auxiliary relay box
| Main Fuse Box Diagram | |
|---|---|
|
|
| No. | Description |
| 36 | Fuel pump diode (1 A) |
| 41 | Backup lamp relay |
| 42 | Heater pump relay |
| 43 | Fuel pump relay |
| 44 | Coolant pump relay |
| 1 | Power-assisted steering B+ (50 A) |
| 2 | Power-assisted steering B+ (50 A) |
| 3 | Auxiliary relay 5 power – Powertrain Control Module (40 A) |
| 4 | Not used |
| 5 | Not used |
| 6 | Rear defogger (40 A) |
| 7 | Through 2011: Vacuum pump (40 A) |
| 2012: Vacuum pump (30 A) | |
| 8 | Brake system controller pump (50 A) |
| 9 | Windshield wiper/washer (20 A) |
| 10 | Brake system controller valves (30 A) |
| 11 | Not used |
| 12 | Heated/cooled seats (30 A) |
| 13 | Coolant/heater pump (15 A) |
| 14 | Not used |
| 15 | Not used |
| 16 | Not used |
| 17 | HEV high-voltage battery (10 A) |
| 18 | Not used |
| 19 | Not used |
| 20 | Radio (20 A) |
| 21 | Radio (20 A) |
| 22 | 12 V power outlet – Console (20 A) |
| 23 | Powertrain Control Module / Transmission Control Module keep-alive power, EVAP canister vent (10 A) |
| 24 | Not used |
| 25 | Not used |
| 26 | Left headlamp (15 A) |
| 27 | Right headlamp (15 A) |
| 28 | Engine cooling fan (60 A) |
| 29 | 12 V power outlet – Front (20 A) |
| 30 | Fuel pump relay feed (30 A) |
| 31 | Front passenger power seat (30 A) |
| 32 | Driver power seat (30 A) |
| 33 | Moonroof / Sunroof (20 A) |
| 34 | Not used |
| 35 | Front A/C blower motor (40 A) |
| 37 | Vacuum pump monitor (5 A) |
| 38 | Heated exterior mirrors (10 A) |
| 39 | Transmission Control Module (10 A) |
| 40 | Powertrain Control Module (10 A) |
| 45 | Fuel injectors (15 A) |
| 46 | Coil-on-plug ignition (15 A) |
| 47 | Powertrain Control Module (general): Heater pump, Motor electronics coolant pump relay coils, DC/DC converter, Backup lamps, Brake controller (10 A) |
| 48 | HEV high-voltage battery module, Fuel pump relay (20 A) |
| 49 | Powertrain Control Module (emissions-related) (15 A) |
| Auxiliary Relay Box Diagram | |
|---|---|
|
|
| 1 | Left headlamp |
| 2 | Right headlamp |
| 3 | Blower motor |
| 4 | Rear window defogger |
| 5 | Powertrain Control Module (PCM) |
| 6 | Vacuum pump cut-off |
| 7 | Vacuum pump |
Gasoline Engines
The fuse box is located on the left side of the engine compartment under a protective cover.
General view.
| Diagram | |
|---|---|
|
|
| No. | Description |
| 41 | Backup lamp relay |
| 42 | Left headlamp relay |
| 43 | A/C clutch relay |
| 44 | Right headlamp relay |
| 50 | Not used |
| 51 | Not used |
| 52 | Blower motor relay |
| 53 | Rear defogger relay |
| 54 | Fuel pump relay |
| 55 | Starter relay |
| 56 | Not used |
| 57 | Not used |
| 58 | Not used |
| 1 | Not used |
| 2 | Not used |
| 3 | Relay 57 power – Powertrain Control Module (40 A) |
| 4 | Not used |
| 5 | Relay 55 power – Starter motor (40 A) |
| 6 | Relay 53 power – Rear defogger (40 A) |
| 7 | Not used |
| 8 | ABS pump (40 A) |
| 9 | Windshield wiper/washer (20 A) |
| 10 | ABS valves (30 A) |
| 11 | Not used |
| 12 | Heated/cooled seats (30 A) |
| 13 | Not used |
| 14 | Not used |
| 15 | Not used |
| 16 | Transmission Control Module (15 A) |
| 17 | Alternator (10 A) |
| 18 | Not used |
| 19 | Not used |
| 20 | Audio amplifier (20 A) |
| 21 | Audio amplifier (20 A) |
| 22 | 12 V power outlet – Console / cigarette lighter (20 A) |
| 23 | PCM keep-alive power, EVAP canister vent (10 A) |
| 24 | Not used |
| 25 | Relay 43 power – A/C clutch (10 A) |
| 26 | Relay 42 power – Left headlamp (15 A) |
| 27 | Relay 44 power – Right headlamp (15 A) |
| 28 | Engine cooling fan (80 A) |
| 29 | 12 V power outlet – Front (20 A) |
| 30 | Relay 54 power – Fuel pump (30 A) |
| 31 | Front passenger power seat (30 A) |
| 32 | Driver power seat (30 A) |
| 33 | Moonroof / Sunroof (20 A) |
| 34 | Not used |
| 35 | Relay 52 power – Front A/C blower motor (40 A) |
| 38 | Heated exterior mirrors (10 A) |
| 39 | Not used |
| 40 | Not used |
| 45 | Fuel injectors (15 A) |
| 46 | Powertrain Control Module (15 A) |
| 47 | A/C clutch, General powertrain components, backup lamps (10 A) |
| 48 | Ignition coils (15 A) |
| 49 | Emissions-related powertrain components (15 A) |
Passenger Compartment
Located under the driver's side instrument panel, to the left of the steering column near the brake pedal.
General view of the fuse box.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Rating |
| 1 | Driver smart window motor | 30 A |
| 2 | Brake On/Off (BOO) switch, Center High-Mounted Stop Lamp (CHMSL) | 15 A |
| 3 |
|
15 A |
| 4 | Front passenger smart window motor | 30 A |
| 5 | Brake shift interlock, Keypad illumination | 10 A |
| 6 | Turn signal lamps | 20 A |
| 7 | Left low-beam headlamps | 10 A |
| 8 | Right low-beam headlamps | 10 A |
| 9 | Illuminated scuff plates, Courtesy lamps | 15 A |
| 10 | Puddle lamps, Interior backlighting | 15 A |
| 11 | Non-Hybrid: AWD module | 10 A |
| 12 | Memory seat/mirror switches, Memory modules | 7.5 A |
| 13 | SYNC® module | 5 A |
| 14 | Climate control module, Electronic Finish Panel (EFP) radio, Center Information Display (CID), Navigation display, GPS system, Ambient lighting | 10 A |
| 15 | Climate control unit | 10 A |
| 16 | Not used | 15 A |
| 17 | Trunk release, Power door locks | 20 A |
| 18 | Hybrid: Heated seat module Non-Hybrid: Not used |
20 A |
| 19 | Not used | 25 A |
| 20 | Data Link Connector (DLC) / OBD-II | 15 A |
| 21 | Front fog lamps | 15 A |
| 22 | Parking lamps, Front side marker lamps, License plate lamp | 15 A |
| 23 | High-beam headlamps | 15 A |
| 24 | Horn | 20 A |
| 25 | Battery saver relay, Demand lamps | 10 A |
| 26 | Instrument cluster battery power | 10 A |
| 27 | Ignition switch | 20 A |
| 28 | Radio crank sense | 5 A |
| 29 | Instrument cluster and ignition power | 5 A |
| 30 | Not used | 5 A |
| 31 | Not used | 10 A |
| 32 | Restraint Control Module (RCM) | 10 A |
| 33 | Not used | 10 A |
| 34 | Not used | 5 A |
| 35 | Blind Spot Information System (BLIS®), Rear park assist, Rearview camera, AWD | 10 A |
| 36 | Passive Anti-Theft System (PATS) transceiver | 5 A |
| 37 |
|
10 A |
| 38 | Subwoofer amplifier | 20 A |
| 39 | Radio / Audio unit | 20 A |
| 40 | Not used | 20 A |
| 41 | Auto-dimming mirror, Compass, Moonroof / Sunroof, Front power windows | 15 A |
| 42 | Adaptive headlamps / Electronic Stability Control (ESC) | 10 A |
| 43 | Rain sensor | 10 A |
| 44 | Powertrain Control Module (PCM), Fuel pump diode | 10 A |
| 45 | Heated rear window and blower motor relay coils, Windshield wiper/washer | 5 A |
| 46 | Passenger Airbag Off (PAD) lamp / Occupant Classification Sensor (OCS) | 7.5 A |
| 47 | Circuit Breaker: Rear power windows | 30 A |
| 48 | Accessory delay relay | — |