Roadside emergencies – FORD 2010 F-550 v.2 User Manual
Page 313
Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
31
15A**
Power fold mirror relay
32
20A**
Fuel pump relay
33
20A**
Back-up lamp relay
34
25A**
Trailer stop/turn relay
35
5A**
ESOF relay coils
36
10A**
Gasoline engines: Powertrain
control module (PCM) keep alive
power, Canister vent
Diesel engine: Engine control
module (ECM) keep alive power
37
10A**
Transmission control module (TCM)
(Diesel engine only)
38
—
Not used
39
50A*
ECM power (Diesel engine)
40
30A*
Starter relay
41
20A*
Power point (Center console - front)
42
30A*
Trailer park lamp relay
43
20A*
Power point (Center console - rear)
44
30A*
Trailer battery charge relay
45
30A*
Driver power seat or memory module,
Air ride seats
46
40A*
Run/Start relay
47
50A*
GPCM #2 (Diesel engine only)
48
30A*
ESOF relay hi-lo
49
30A*
Wiper motor
50
30A*
PCM relay coil, PCM relay (Gasoline
engines only)
51
—
Not used
52
—
Not used
53
Relay
PCM power bus (Fuses 68, 70, 72, 74,
76) (Diesel engine only)
54
Relay
Starter solenoid
Roadside Emergencies
313
2010 F-250/350/450/550 (f23)
Owners Guide, 2nd Printing
USA (fus)