Table of Contents
In this article, we will take a detailed look at the fuse diagrams for the Lincoln Navigator (fourth generation pre-facelift; U554 chassis): 2018, 2019, 2020, 2021 release.
Fuses 6, 8, 51, 56, 86, 87, 94, 95, and 100 in the engine compartment fuse box power the cigarette lighter, USB charging ports, and auxiliary power outlets.
Engine Compartment Fuse Box
Located on the right side of the engine compartment, next to the battery, beneath the protective cover.
Access example.
| Fuse Box Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| 1 | Horn | 25 A |
| 2 | Cooling fan #1 | 50 A |
| 3 | Front windshield wipers | 30 A |
| 4 | Not used | - |
| 5 | Starter relay | 30 A |
| 6 | Power outlet #1 / Cigarette lighter | 20 A |
| 8 | Power outlet #2 | 20 A |
| 10 | Rain sensor | 5 A |
| 12 | Not used | - |
| 13 | Heated rear window, 4WD module, heated wiper park relay coil, heated mirror relay coil, transmission isolation relay coil | 10 A |
| 14 | Transmission coil module | 15 A |
| 15 | Lighting driver module (LDM), Blind Spot Information System (BLIS), Voltage Quality Module (VQM), power liftgate, cruise control module, image processing module B | 15 A |
| 16 | Powertrain control module (PCM) — run/start feed | 10 A |
| 17 | Anti-lock brake system (ABS) — run/start feed | 10 A |
| 18 | Electronic power-assisted steering (EPAS) — run/start feed | 10 A |
| 19 | Not used | - |
| 20 | Front blower motor | 40 A |
| 21 | Front passenger seat motors | 40 A |
| 22 | Not used | 20 A |
| 23 | Alternator A-line | 10 A |
| 24 | Trailer brake control module | 30 A |
| 25 | Body control module (BCM) power #1 | 50 A |
| 26 | Cooling fan #3 | 50 A |
| 27 | Driver seat motors | 40 A |
| 28 | Rear heated seats | 15 A |
| 29 | 4WD integrated wheel end solenoid | 10 A |
| 30 | Trailer tow (Class II–IV) battery charge | 25 A |
| 31 | Power folding seat module | 50 A |
| 32 | Air conditioning (A/C) clutch | 10 A |
| 33 | Not used | - |
| 34 | Not used | - |
| 35 | Vehicle power #4 | 20 A |
| 36 | Vehicle power #3 | 10 A |
| 37 | Vehicle power #2 | 25 A |
| 38 | Vehicle power #1 | 25 A |
| 39 | Not used | - |
| 41 | Power inverter module | 50 A |
| 43 | Trailer tow light module (Class II–IV) | 20 A |
| 45 | Front and rear windshield washer pumps | 20 A |
| 46 | Rear seat entertainment system | 7.5 A |
| 47 | Not used | - |
| 48 | Not used | - |
| 49 | Not used | - |
| 50 | Fuel pump fuse | 30 A |
| 51 | Power outlet #3 | 20 A |
| 52 | Body control module (BCM) — voltage quality monitor (VQM) | 50 A |
| 53 | Trailer tow parking lamps relay | 25 A |
| 54 | Electronic limited-slip differential (eLSD) | 40 A |
| 55 | Auxiliary climate control blower motor | 40 A |
| 56 | Power outlet #4 | 20 A |
| 58 | Front driver and passenger seat belt tension reducers | 5 A |
| 59 | Not used | - |
| 60 | Lincoln star lamp | 5 A |
| 61 | Right-hand enhanced exterior lighting (EEL) module | 25 A |
| 62 | Left-hand enhanced exterior lighting (EEL) module | 25 A |
| 63 | 4WD module | 25 A |
| 64 | Not used | - |
| 65 | Not used | - |
| 66 | Not used | - |
| 67 | Not used | - |
| 69 | Not used | - |
| 70 | Anti-lock brake system (ABS) module / electric parking brake control unit | 40 A |
| 71 | 4WD control module | 25 A |
| 72 | Not used | - |
| 73 | Not used | - |
| 74 | Trailer tow reverse lamps | 10 A |
| 75 | Not used | - |
| 76 | Body control module (BCM) — run / power #2 | 50 A |
| 77 | Climate-controlled (heated/ventilated) seat module | 30 A |
| 78 | Not used | 20 A |
| 79 | Not used | - |
| 80 | Heated windshield wiper park | 10 A |
| 81 | Not used | - |
| 82 | Not used | - |
| 83 | Transmission control module (TCM) power | 15 A |
| 84 | Not used | - |
| 85 | Not used | - |
| 86 | Smart USB charging port #5 | 5 A |
| 87 | Smart USB charging port #3 | 5 A |
| 88 | Multicontour seat relay | 10 A |
| 89 | Power deployable running boards | 40 A |
| 91 | Power liftgate module | 30 A |
| 93 | Heated exterior mirrors | 15 A |
| 94 | USB charging port #1 | 5 A |
| 95 | USB charging port #2 | 10 A |
| 96 | Rear window wiper motor relay | 30 A |
| 97 | Charge air cooler fan relay | 40 A |
| 98 | Auxiliary transmission oil pump | 15 A |
| 99 | Heated rear window | 40 A |
| 100 | Power outlet #5 | 20 A |
| 101 | Cooling fan #2 | 25 A |
| 102 | Not used | - |
| 103 | Reserved | 20 A |
| 104 | Not used | - |
| 105 | Not used | - |
| R02 | Cooling fan #2 relay | - |
| R05 | Powertrain control module (PCM) relay | - |
Passenger Compartment Fuse Box
Located under the right side of the instrument panel.
To access the fuses, pull the trim panel toward you and swing it outward.
Access example.
| Fuse Box Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| 1 | Not used | - |
| 2 | Driver seat switch | 7.5 A |
| 3 | Driver door unlock | 20 A |
| 4 | Trailer brake control module (TBM) | 5 A |
| 5 | Revel II audio system amplifier | 20 A |
| 6 | Reserved | 10 A |
| 7 | Reserved | 10 A |
| 8 | Reserved | 10 A |
| 9 | Head-up display (HUD), rear seat entertainment module (RSEM) | 10 A |
| 10 | Hands-free power liftgate module, Wireless Accessory Charging Module (WACM), Power Liftgate Module (PLGM) logic | 5 A |
| 11 | Keyless entry keypad, combination sensor module | 5 A |
| 12 | Electronic finish panel, instrument cluster, Smart Data Link Connector (SDLC) logic | 7.5 A |
| 13 | Gearshift Module (GSM), Steering Column Control Module (SCCM) | 7.5 A |
| 14 | Brake switch, Extended Power Mode (EPM) module | 10 A |
| 15 | Smart Data Link Connector (SDLC) power | 10 A |
| 16 | Rear liftglass release relay | 15 A |
| 17 | Telematics control unit modem | 5 A |
| 18 | Push-button ignition switch | 5 A |
| 19 | Reserved | 7.5 A |
| 20 | Headlamp Control Module (HCM) | 7.5 A |
| 21 | In-cabin temperature and humidity sensor | 5 A |
| 22 | Second-row heated seat module, electrochromic (auto-dimming) mirror | 5 A |
| 23 | DVD player, moonroof logic, power inverter LIN logic, power window and power mirror switches | 10 A |
| 24 | Central locking/unlocking relay | 20 A |
| 25 | Front left door zone module (DZM) | 30 A |
| 26 | Front right door zone module (DZM) | 30 A |
| 27 | Moonroof — tilt, vent, and slide | 30 A |
| 28 | Revel II audio system amplifier | 20 A |
| 29 | Rear left door zone module (DZM) | 30 A |
| 30 | Rear right door zone module (DZM) | 30 A |
| 31 | Column and Pedal Memory Module (CAPM) | 15 A |
| 32 | Accessory Protocol Interface Module (APIM) (SYNC / Media Gateway Module), Radio Frequency Transceiver Module (RTM), Drive Mode Switch Module (DMSM), rear HVAC control unit | 10 A |
| 33 | Audio Control Module (ACM), remote CD player, Rear Audio Control Module (RACM) | 20 A |
| 34 | Run/start relay | 30 A |
| 35 | Extended Power Mode (EPM) module | 5 A |
| 36 | Image Processing Module A (IPMA), Active Park Assist module, Continuous Control Damping (CCD) module | 15 A |
| 37 | Heated steering wheel module | 20 A |
| 38 | Circuit breaker: Left and right rear power windows | 30 A |