
Table of Contents
Toggle2018 Lincoln MKX Fuses and Fuse Box Diagram User Guide
This guide covers 2018 Lincoln MKX fuses and fuse box diagram. Find fuse placements, functions, and troubleshooting advice to maintain your vehicle’s electrical system for best operation.
2024 LINCOLN Corsair Specs, Price, Features, Mileage and Review
Video: 2018 Lincoln MKX Fuses
FUSE SPECIFICATION CHART
Power Distribution Box WARNING: Always disconnect the battery before servicing high current fuses. WARNING: To reduce risk of electrical shock, always replace the cover to the power distribution box before reconnecting the battery or refilling fluid reservoirs. The power distribution box is in the engine compartment. It has high-current fuses that protect your vehicle’s main electrical systems from overloads. If you disconnect or reconnect the battery, some features need to be reset. 
| Fuse or Relay Number | Fuse Rating | Protected Components |
| 1 | 1 30A | Power fold 2nd row seats. |
| 2 | — | Starter relay. |
| 3 | 1 15A | Rear wiper. Rain sensor |
| 4 | — | Blower motor relay. |
| 5 | 2 20A | Powerpoint 3 – back of the console. |
| 6 | — | Not used. |
| 7 | 1 20A | Powertrain control module – vehicle power 1. |
| 8 | 1 20A | Powertrain control module – vehicle power 2. |
| 9 | — | Powertrain control module relay. |
| 10 | 2 20A | Power point 5-main bin. |
| 11 | 3 15A | Powertrain control module – vehicle power 4. |
| 12 | 3 15A | Powertrain control module – vehicle power 3. |
| 13 | — | Not used. |
| Fuse or Relay Number | Fuse Rating | Protected Components |
| 14 | — | Not used. |
| 15 | — | Run-start relay. |
| 16 | 2 20A | Power point 2 – console bin. |
| 17 | 2 20A | Power point 4 – luggage compartment. |
| 18 | 1 20A | RH HID headlamp. |
| 19 | 1 10A | Run-start electronic power assist steering. |
| 20 | 1 10A | Run/start lighting. |
| 21 | 1 15A | Transmission oil pump logic power (start/stop). |
| 22 | 1 10A | Air conditioner clutch solenoid. |
| 23 | 1 15A | Front split view camera. Rear view camera. Front split view camera module. Gear shift actuator. |
| 24 | 1 10A | Not used (spare). |
| Fuse Number | Fuse Rating | Protected Components |
| F18 | 1 40A | Cooling fan 2 (600W). |
| 1 50A | Cooling fan 2 (750W). | |
| F19 | 2 5A | Anti-lock brake system module run/start. |
| F20 | 2 20A | Horn relay. |
| F21 | 2 10A | Brake pedal switch.
|
| F22 | 2 25A | Windshield wipers and washer. |
| F23 | 2 5A | Run/start relay coil. |
| F24 | 2 20A | Transmission range control module. |
| F25 | 2 10A | Air conditioning clutch. |
| F26 | 2 5A | Powertrain control module relay coil. |
| F27 | 2 10A | Washer pump relay. |
| F28 | 2 10A | Alternator sensor. |
| Fuse or Relay Number | Fuse Rating | Protected Components |
| 25 | 3 10A | Run-start anti-lock brake system. |
| 26 | 310A | Run-start powertrain control module. |
| 27 | — | Not used. |
| 28 | 1 10A | Rear washer pump. |
| 29 | — | Not used. |
| 30 | — | Not used. |
| 31 | — | Not used. |
| 32 | — | Electronic fan 1 relay. |
| 33 | — | A/C clutch relay. |
| 34 | 1 15A | Glove box release. |
| 35 | — | Not used. |
| 36 | — | Not used. |
| 37 | 1 10A | Power transfer unit fan. |
| 38 | — | Electronic fan 2 relay. |
| Fuse or Relay Number | Fuse Rating | Protected Components |
| 39 | — | Electric fan 3 relay. |
| 40 | — | Horn relay. |
| 41 | — | Not used. |
| 42 | — | Fuel pump relay. |
| 43 | 1 10A | 2nd row easy fold seat release. |
| 4 | 1 20A | LH HID headlamp. |
| 45 | — | Not used. |
| 46 | — | Not used. |
| 47 | — | Not used. |
| 48 | — | Not used. |
| 49 | — | Not used. |
| 50 | 1 20A | Horn. |
| 51 | —
|
Not used. |
| 52 | — | Not used. |
| 53 | 1 10A | Not used (spare). |
| Fuse or Relay Number | Fuse Rating | Protected Components |
| 54 | 3 10A | Brake on off switch. |
| 55 | 3 10A | ALT sensor. |
| 86 | — | Not used. |
- Micro 2 fuse.
- M case fuse.
- Micro 3 fuse.
Power Distribution Box – Bottom There are fuses located on the bottom of the `fuse box. To access the bottom of the fuse box, do the following:
Release the two latches, located on both sides of the fuse box.- Raise the inboard side of the fuse box from the cradle.
- Move the fuse box toward the center of the engine compartment.
- Pivot the outboard side of the fuse box to access the bottom side.

| Fuse or Relay Number | Fuse Rating | Protected Components |
| 56 | — | Not used. |
| 57 | 2 20A | Power Point 1 – Driver Front. |
| 58 | 1 30A | Fuel pump feed. |
| 59 | 2 40A | Electronic fan 3. |
| 60 | 2 40A | Electronic fan 1. |
| 61 | — | Not used. |
| 62 | 2 50A | Body control module 1. |
| 63 | 1 25A | Electronic fan 2. |
| 64 | 1 20A | Headlamp washer. |
| 65 | 1 20A | Front heated seat. |
| 66 | 1 15A | Heated wiper park. |
| 67 | 2 50A | Body control module 2. |
| Fuse or Relay Number | Fuse Rating | Protected Components |
| 68 | 1 40A | Heated rear window. |
| 69 | 1 30A | Anti-lock brake system valves. |
| 70 | 1 30A | Passenger seat. |
| 71 | 1 50A | Active front steering. |
| 72 | 1 20A | Transmission oil pump (start/stop). |
| 73 | 1 20A | Rear heated seats. |
| 74 | 1 30A | Driver seat module. |
| 75 | 1 25A | Wiper motor 1. |
| 76 | 1 30A | Power liftgate module. |
| 77 | 1 30A | Climate control seat module. |
| 78 | 1 40A | Trailer lighting module. |
| 79 | 2 40A | Blower motor. |
| Fuse or Relay Number | Fuse Rating | Protected Components |
| 80 | 1 25A | Wiper motor 2. |
| 81 | 1 40A
|
110 volt inverter. |
| 82 | – | Not used. |
| 83 | 1 20A | TRCM (iShifter). |
| 84 | 1 30A | Starter solenoid. |
| 85 | 1 30A | Not used (spare). |
| 87 | 2 60A | Anti-lock brake system pump. |
- Micro fuse.
- Dual micro fuse.
Rear Cargo Fuse Box The fuse panel is located in the cargo area on the passenger side. Open the fuse panel cover to gain access to the fuses.
- M case fuse.
- J case fuse.
Passenger Compartment Fuse Panel The fuse panel is located under the instrument panel to the left of the steering column. Note: It may be easier to access the fuse panel if you remove the finish trim piece. 
| Fuse or Relay Number | Fuse Rating | Protected Components |
| 1 | – | Not used. |
| 2 | 1 7.5A | Memory seats. Lumbar. |
| Driver seat module logic power. | ||
| 3 | 1 20A | Driver door unlock. |
| Fuse or Relay Number | Fuse Rating | Protected Components |
| 4 | 1 5A | Not used (spare). |
| 5 | 1 20A | Subwoofer amplifier. |
| 6 | 2 10A | USB charger. |
| 7 | 2 10A | Not used (spare). |
| 8 | – | Security horn relay. |
| 9 | 2 10A | Rear seat entertainment system module. 360 camera badge. |
| 10 | 2 5A | Keypad. Power liftgate module logic power. |
| Hands free liftgate module. | ||
| SYNC 3 module. | ||
| Embedded Modem. | ||
| 11 | 2 5A | Combined sensing module. |
| 12 | 2 7.5A | Climate control module. Gear shift module. |
| 13 | 2 7.5A | Cluster. Steering column control module. |
| Smart datalink connector (gateway) module. |
| Fuse or Relay Number | Fuse Rating | Protected Components |
| 14 | 2 10A | Extended power module – power. |
| 15 | 2 10A | Datalink power. |
| 16 | 1 15A | Not used (spare). |
| 17 | 2 5A | Not used (spare). |
| 18 | 2 5A | Not used (spare). |
| 19 | 2 7.5A | Extended power module – Run/Start. |
| 20 | 2 7.5A | Active front steering logic power. |
| 21
|
2 5A | Humidity and in-car temperature sensor. |
| 22 | 2 5A | Occupant classification sensor. |
| 23 | 1 10A | Delayed accessory (power inverter logic, moonroof logic, driver window switch power). |
| 24 | 1 20A | Central lock unlock. |
| 25 | 1 30A | Driver door (window, mirror). Driver door module. |
| Fuse or Relay Number | Fuse Rating | Protected Components |
| Driver door lock indicator. Driver lock switch illumination. | ||
| 26 | 1 30A | Front passenger door (window, mirror). Front passenger door module. Front passenger lock indicator. Front passenger switch illumination (window, lock). |
| 27 | 1 30A | Moonroof. |
| 28 | 1 20A | Amplifier. |
| 29 | 1 30A | Rear driver side door smart window. |
| 30 | 1 30A | Rear passenger side door smart window. |
| 31 | 1 15A | Not used (spare). |
| 32 | 1 10A | Voice control (SYNC). Radio transceiver module. |
| 33 | 1 20A | Radio. |
| 34 | 1 30A | Run-start bus (fuse 19, 20, 21, 22, 35, 36, 37, circuit breaker |
| Fuse or Relay Number | Fuse Rating | Protected Components |
| 35 | 1 5A | Not used (spare). |
| 36 | 1 15A | Auto-dimming rear view mirror. Auto high beam/lane departure mirror module. Rear heated seat module logic power.Suspension module. |
| 37 | 1 20A | Not used (spare). |
| 38 | 3 30A | Rear power windows. Rear window switch illumination. |
- Micro 2 fuse
- Micro 3 fuse.
- Circuit breaker.
CHANGING A FUSE
Fuses WARNING: Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire.

| Callout | Fuse Type |
| A | Micro 2 |
| B | Micro 3 |
| C | Maxi |
| Callout | Fuse Type |
| D | Mini |
| E | M Case |
| F | J Case |
| G | J Case Low Profile |
Useful Links
View Full PDF: 2018 Lincoln MKX User Manual| Auto User Guide
2018 Lincoln MKX Instrument Cluster System | How to use