Ford F650 / F750 2017-2020 Fuse Box Diagram – Location, Fuses & Relay Assignments

In this article we take a look at the eighth generation Ford F-650 / F-750, available from 2016 to 2020. Here you will find the Ford F-650 and F-750 2017, 2018 and 2019 fuse box diagrams, get information on the location of the fuse boxes in the car and learn about the assignment of each fuse (fuse layout) and relay.

The fuses for the cigar lighter (socket) on the Ford F-650 / F-750 are fuses 82 and 83 in the engine compartment fuse box.

Fuse box location

Passenger compartment

The fuse panel is in the passenger footwell behind the cover

Engine compartment

The power distribution box is located in the engine compartment.

Fuse box diagrams

Passenger compartment fuse box diagram

Assignment of the fuses in the Passenger compartment (2017, 2018, 2019)

Fuse or Relay Number	Fuse Rating	Protected Components
1	30A	Left front window motor.
2	15A	Upfitter relay #4.
3	30A	Right front window motor.
4	10A	Interior lamps.
5	20A	Not used (spare).
6	5A	Not used (spare).
7	7.5 A	Power mirror switch.
8	10A	Not used (spare).
9	10A	Upfitter relay #3.
10	10A	Not used (spare).
11	10A	Ford telematics battery feed.
12	15A	Interior lighting.
13	15A	Right turn and brake lamps.
14	15A	Left turn and brake lamps.
15	15A	Center high-mounted stop lamp. Backup lamps.
16	10A	Right headlamp low beam.
17	10A	Left headlamp low beam.
18	10A	Powertrain control module wakeup. Brake shift interlock.
19	20A	Not used (spare).
20	20A	Power door locks.
21	10A	Brake on/off switch.
22	20A	Horn.
23	15A	Instrument cluster.
24	15A	Diagnostic connector. Power fold mirror relay. Steering wheel control module. Remote keyless entry.
25	15A	Not used (spare).
26	5A	Steering wheel control module.
27	20A	Not used (spare).
28	15A	Ignition switch.
29	20A	Radio. SYNC.
30	15A	Parking lamps. Trailer tow parking lamps relay coil.
31	5A	Customer access trailer brake on/off switch.
32	15A	Delayed accessory power. Driver and passenger door lock switch illumination. 110 volt power inverter module. Telescoping mirror switch.
33	10A	Not used (spare).
34	10A	Ancillary translator module run/start.
35	5A	Tow/Haul run/start.
36	10A	Fuel tank select switch.
37	10A	Auxiliary heater.
38	10A	Delayed accessory power. AM/FM base radio.
39	15A	Left and right headlamp high beam.
40	10A	Rear parking lamps. Clearance lamps.
41	7.5 A	Not used (spare).
42	5A	Ford telematics run/start.
43	10A	Power Distribution Box run/accessory fuses. Wiper relay coil.
44	10A	Customer access upfitter switch power. Ancillary translator module run/accessory sense.
45	5A	Not used (spare).
46	10A	Climate control module.
47	15A	Fender direction indicator lamps.
48	30A Circuit breaker	Power windows switch (crew cab).
49	Relay	Delayed accessory power.

Engine compartment fuse box diagram

Assignment of the fuses in the Power distribution box (2017, 2018, 2019)

Fuse or relay number	Fuse amp rating	Protected components
1	Relay	Blower motor.
2	Relay	Trailer tow and body builder stoplamps.
3	Relay	Urea heaters (diesel engine).
4	Relay	Driver air ride seat compressor.
5	Relay	Heated mirrors.
6	—	Not used.
7	—	Not used.
8	20A*	Passenger air ride seat compressor.
9	—	Not used.
10	—	Not used.
11	—	Not used.
12	—	Not used.
13	Resistor	Terminating resistor (120 ohm).
14	—	Not used.
15	—	Not used.
16	—	Not used.
17	—	Not used.
18	—	Not used.
19	10A**	Brake on/off isolation relay.
20	—	Not used.
21	—	Not used.
22	30 A*	Trailer tow electric brake controller.
23	40A*	Blower motor.
24	—	Not used.
25	30 A*	Wipers.
26	30 A*	Trailer tow park lamps.
27	25 A*	Urea heaters (diesel engine).
29	Relay	Trailer tow park lamps.
30	Relay	A/C clutch.
31	Relay	Wipers.
32	—	Not used.
33	20A**	Vehicle power 1.
34	20A**	Vehicle power 2.
35	10A**	Vehicle power 3.
36	20A**	Vehicle power 4.
37	10A**	Vehicle power 5 (diesel engine).
38	Relay	Powertrain control module.
39	—	Not used.
40	15A**	Heated mirrors.
41	—	Not used
42	20A**	Trailer tow and body builder stoplamps.
43	—	Not used.
44	20A**	Ancillary translator module.
45	10 A**	Run/start relay coil.
46	10 A**	Transmission control module keep-alive power (diesel engine).
47	10 A**	A/C clutch.
48	Relay	Run/start.
49	20A**	Air dryer.
50	10 A**	Blower motor relay coil.
51	—	Not used.
52	10 A**	Powertrain control module run/start (diesel engine). Transmission control module run/start (diesel engine).
53	—	Not used.
54	10 A**	Anti-lock brake system run/start.
55	10 A**	Seat compressor relay coil. Chassis solenoids relay coil. Heated mirror relay coil.
56	20A**	Passenger compartment fuse panel run/ start feed
57	Relay	Fuel pump.
58	5A**	Wiper relay.
59	5A**	Chassis solenoid relay. Air ride seat compressor relay.
60	—	Not used.
61	—	Not used.
62	—	Not used.
63	10A**	Chassis solenoids.
64	—	Not used.
65	10A**	Cargo box lamp.
66	30A**	Fuel pump.
67	—	Not used.
68	10A**	Fuel pump relay coil.
69	—	Not used.
70	10A**	Trailer tow or body builder backup lamps.
71	—	Not used.
72	10A**	Powertrain control module relay coil. Keep-alive power.
73	5A**	Hydromax monitor.
74	Relay	Chassis solenoids.
75	—	Not used.
76	—	Not used.
77	Relay	Brake switch isolation (hydraulic brakes).
78	—	Not used.
79	—	Not used.
80	—	Not used.
81	—	Not used.
82	20A*	Auxiliary power point #2.
83	20A*	Auxiliary power point #1.
84	20A*	Driver air ride seat compressor.
85	60A*	Hydromax pump.
86	30 A*	Anti-lock brake system modulator valves.
87	—	Not used.
88	—	Not used.
89	40A*	Starter motor
90	30 A*	Trailer battery feed (air brakes). Trailer tow battery charge (hydraulic brakes).
91	Relay	Cargo box lamp.
92	—	Not used.
93	—	Not used.
94	25 A*	Upfitter relay #1.
95	25 A*	Upfitter relay #2.
96	60A*	Anti-lock brake system pump (hydraulic brakes).
97	—	Not used.
98	—	Not used.
99	40A*	Instrument panel 110v power inverter.
100	30 A*	Trailer tow turn lamp relays.
101	Relay	Starter.
102	Relay	Trailer tow battery charge relay (U-Haul). Trailer tow battery feed (air brakes).
103	Relay	Trailer tow right hand side turn and stop lamps.
104	Relay	Trailer tow left hand side turn and stop lamps.
105	—	Not used.
106	Relay	Trailer tow backup lamps relay.
107	Relay	Passenger air ride seat compressor relay.
		* J case fuses. ** Mini fuses.