Fuses and relays Lincoln MKX (CD4; 2015–2019)

This article provides detailed fuse box diagrams and relay assignments for the second-generation Lincoln MKX (CD4 platform): 2014, 2015, 2016, 2017, 2018, and 2019 model years.

Fuses 5, 10 (through 2017), 16, and 17 in the upper engine compartment fuse box, and fuse 57 (2018 model year) in the lower engine compartment fuse box, power the auxiliary power outlets and cigarette lighter.

Engine Compartment Fuse Box

Located on the left side of the engine compartment.

Component location overview.

Upper Fuse Box

Panel layout.

Diagram
No.	Description
2	Starter relay
4	Blower motor relay
6	Not used
9	Powertrain Control Module (PCM) relay
15	Run/Start relay
32	Cooling  fan 1 relay
33	A/C clutch relay
38	Cooling  fan 2 relay
39	Cooling fan 3 relay
40	Horn relay
41	Not used
42	Fuel pump relay
86	Not used
1	Power-folding second-row seats (30 A)
3	Rain sensor, rear window wiper (15 A)
5	Rear console auxiliary power point 3 (20 A)
7	PCM vehicle power 1 (20 A)
8	PCM vehicle power 2 (20 A)
10	2014–2017: Driver front auxiliary power point 1 (20 A)
	2018+: Main console bin auxiliary power point 5 (20 A)
11	PCM vehicle power 4 (15 A)
12	PCM vehicle power 3 (15 A)
13	Not used
14	Not used
16	Console bin auxiliary power point 2 (20 A)
17	Luggage compartment auxiliary power point 4 (20 A)
18	Right HID headlamp (20 A)
19	Run/Start Electronic Power Assist Steering (EPAS) (10 A)
20	Run/Start exterior lighting (10 A)
21	Auto Start-Stop auxiliary transmission oil pump logic power (15 A)
22	A/C clutch solenoid (10 A)
23	2014–2016: Run/Start 6, rearview camera, Blind Spot Information System (BLIS), adaptive cruise control unit, Auto Start-Stop voltage quality module, head-up display, front split-view camera, front split-view camera module (15 A)
	2017+: Rearview camera, front split-view camera, front split-view camera module, gearshift actuator (15 A)
24	Spare (10 A)
25	Run/Start ABS module (10 A)
26	Run/Start PCM (10 A)
27	Not used
28	Rear window washer pump (10 A)
29	Not used
30	Not used
31	Not used
34	Glove box release switch (15 A)
35	Not used
36	Not used
37	Power Transfer Unit (PTU) cooling fan (10 A)
43	Second-row EasyFold® seat release (10 A)
44	Left HID headlamp (20 A)
45	Not used
46	Not used
47	Not used
48	Not used
49	Not used
50	Horn (20 A)
51	Not used
52	Not used
53	2014–2017: Multi-contour seats (10 A)
54	Brake pedal position (BOP) switch (10 A)
55	Alternator current sensor (10 A)

Lower Fuse Box

Located on the bottom of the upper fuse box.

To access:

1. Release the retaining latches located on both sides of the fuse box.
2. Lift the inboard side of the fuse box out of the mounting cradle.
3. Shift the assembly toward the center of the engine compartment.
4. Pivot the outboard side of the fuse box to access the underside panel.

Diagram
No.	Description
56	Not used
57	2018+: Front driver-side auxiliary power point 1 (20 A)
58	Fuel pump power feed (30 A)
59	Engine cooling fan 3 (40 A)
60	Engine cooling fan 1 (40 A)
61	Not used
62	Body Control Module (BCM) 1 (50 A)
63	Engine cooling fan 2 (25 A)
64	Headlamp washer pump (20 A)
65	Heated front seats (20 A)
66	2014–2018: Heated windshield wiper park (15 A)
67	Body Control Module (BCM) 2 (50 A)
68	Heated rear window (40 A)
69	ABS valves (30 A)
70	Front passenger power seat (30 A)
71	Adaptive front steering (50 A)
72	Auxiliary transmission oil pump (Auto Start-Stop) (20 A)
73	Heated rear seats (20 A)
74	Driver power seat module (30 A)
75	Windshield wiper 1 (25 A)
76	Power liftgate module (30 A)
77	Climate-controlled seat module (30 A)
78	Trailer tow lighting module (40 A)
79	Climate control blower motor (40 A)
80	Windshield wiper 2 (25 A)
81	110 V AC power inverter (40 A)
82	Not used
83	Transmission Range Control Module (TRCM / iShifter) (20 A)
84	Starter solenoid (30 A)
85	2014–2016: Vista Roof® (30 A)
87	ABS pump motor (60 A)

Passenger Compartment Fuse Box

Located under the dashboard, to the left of the steering column.

Fuse box overview.

Diagram
No.	Description	Amps
1	2014–2016: Battery saver relay coil, demand interior lighting (vanity, glove box, dome lamps), second-row EasyFold® relay coil	10 A
2	Power mirrors (2014–2016) Power lumbar support, memory seat module logic, driver seat module logic	7.5 A
3	Driver door unlock relay	20 A
4	Not used	5 A
5	Audio power amplifier	20 A
6	Smart charging USB port	10 A
7	Not used	10 A
8	2017+: Security horn relay	-
9	360-degree camera badge, rear-seat entertainment system module	10 A
10	Keypad,  hands-free liftgate module, power liftgate module logic power, MyLincoln Mobile module (2014–2016), SYNC® 3 module (2017+), embedded modem module (2018+)	5 A
11	2017+: Restraints occupancy sensing module	5 A
12	Climate control unit, gearshift module (2017+)	7.5 A
13	Data Link Connector (DLC) gateway module, steering column control unit	7.5 A
14	2017+: Extended power module	10 A
15	Data Link Connector (DLC) power	10 A
16	Not used	15 A
17	Not used	5 A
18	2014–2016:  Push-button start switch, ignition switch, key inhibit solenoid	5 A
19	2017+: Extended power module (Run/Start)	7.5 A
20	Adaptive front steering logic power	7.5 A
21	In-cabin temperature and humidity sensor	5 A
22	Occupant Classification System (OCS)	5 A
23	Delayed accessory power (power inverter, driver window switch power, sunroof) 2014–2016: Front camera, gearshift module, head-up display, 360-degree camera module	10 A
24	Central locking switch	20 A
25	Driver door switch (mirror and window), driver door module, driver lock switch illumination, driver door lock indicator	30 A
26	Front passenger door switch (mirror and window), front passenger switch illumination (window, lock), front passenger lock indicator	30 A
27	Sunroof / Panoramic Vista Roof®	30 A
28	Audio power amplifier	20 A
29	Power window (rear driver side)	30 A
30	Power window (rear passenger side)	30 A
31	Not used	15 A
32	2014–2016: Global Positioning System (GPS), center stack display, multimedia gateway Voice control (SYNC®), radio transceiver module	10 A
33	Radio Tuner / Audio Control Module	20 A
34	Run/Start bus feed (fuses 19, 20, 21, 22, 35, 36, 37, circuit breaker 38)	30 A
35	2016: Restraints Control Module (RCM)	5 A
36	Auto-dimming interior rearview mirror, rear heated seat module logic power, auto high-beam / lane departure mirror module, suspension control module 2014–2016: Heated seats	15 A
37	2014–2016: Heated steering wheel module (without adaptive front steering)	20 A
38	Rear window switch illumination, rear power windows circuit breaker	30 A