2020 FORD F450 SUPER DUTY Owners Manual

Page 337 of 633

FORD F450 SUPER DUTY 2020  Owners Manual FUSE SPECIFICATION CHART
Engine Compartment Fuse Box
WARNING: Always disconnect the
battery before servicing high current
fuses. WARNING: 
To reduce risk of
electrical shock, always replace the
cover

Page 338 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Protected Component
Fuse
Rating
Fuse
Number
Power point 4.
20 A
1
Power point 3.
20 A
2
Spot light module.
10 A
3
Four-wheel drive vacuum solenoid.
10 A
4
Active front steering.
40 A
5
Snow plow.
10 A

Page 339 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Protected Component
Fuse
Rating
Fuse
Number
Trailer tow battery charge.
30 A
26
Rear heated seats.
20 A
27
Glow plug (diesel).
25 A
28
Not used (gas).
—
Electric power assisted steering motor.
40 A

Page 340 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Protected Component
Fuse
Rating
Fuse
Number
Not used.
—
49
Heated and cooled seats.
30 A
50
Powertrain control module.
20 A
51
Compressed natural gas (gas).
15 A
52
Fuel rail pressure relief control

Page 341 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Protected Component
Fuse
Rating
Fuse
Number
Body control module power.
60 A
69
Trailer tow stop and turn lamps.
30 A
70
Note: Spare fuse amperage may vary.
Passenger Compartment Fuse
Panel
The fuse pa

Page 342 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Protected Component
Fuse
Rating
Fuse
Number
Power lumbar motor.
Wireless charging module.
Not used.
—
4
Not used.
—
5
Power telescoping mirrors switch.
10 A
6
Front power windows switch.
Brake on-

Page 343 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Protected Component
Fuse
Rating
Fuse
Number
Driver front door module.
30 A
23
Moonroof.
30 A
24
Not used.
—
25
Passenger front door module.
30 A
26
Not used.
—
27
Amplifier.
30 A
28
Adjustable ped

Page 344 of 633

FORD F450 SUPER DUTY 2020  Owners Manual If electrical components in the vehicle are
not working, a fuse may have blown. Blown
fuses are identified by a broken wire within
the fuse. Check the appropriate fuses
before replacing any electrical