Fuse/Relay
Fuse Amp
Location
Rating
38
Relay
39
10A**
40
15A**
41
42
43
44
45
10A**
46
10A**
47
10A**
48
Relay
49
10A**
50
10A**
51
52
10A**
53
10A**
54
10A**
55
10A**
56
20A**
57
Relay
58
59
60
61
2012 F-250/350/450/550 (f23)
Owners Guide, 4th Printing
USA (fus)
I n f o r ma t i o n P r o v i d e d b y :
Roadside Emergencies
Protected Circuits
Powertrain control module
(PCM) (diesel engine),
Electronic control module (ECM)
(gas engine)
4x4 hub lock
4x4 electronic lock
—
Not used
—
Not used
—
Not used
—
Not used
Run/start relay coil
Transmission control module
(TCM) keep-alive power (diesel
engine)
A/C clutch feed
Run/start
Rearview camera system
Blower motor relay coil
—
Not used
PCM/ECM/TCM run/start
4x4 module
Anti-lock brake system (ABS)
run/start
Rear window defroster coil,
Battery charge coil
Passenger compartment fuse
panel run/start feed
Fuel pump
—
Not used
—
Not used
—
Not used
—
Not used
329