Protected components
Fuse amp rating
Fuse or relay number
Not used.
—
21
Auxiliary power point #5 (rear console).
20A
2
22
Run-start.
Not used.
—
23
Cooling fan relay.
—
24
Supplemental air heater bank #3 relay.
Glow plug module power relay.
—
25
Not used.
—
26
Trailer tow battery charge relay.
30A
2
27
Run-start relay.
—
29
4x4 module.
10A
1
30
Adaptive cruise control.
5A
1
31
Run-start.
Anti-lock brake system module.
5A
1
32
Run-start.
Powertrain control module (ISPR).
10A
1
33
Run-start.
Engine control module.
Transmission control module.
Blind spot information system.
10A
1
34
Run-start.
Front camera.
Rear camera.
Not used.
—
35
Blower motor relay.
—
36
Trailer tow battery charge relay.
—
37
A/C compressor clutch relay.
—
38
Horn relay.
—
39
Supplemental air heater bank #2 relay.
—
40
Glow plugs.
25A
2
41
314
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
Fuses