Roadside emergencies – FORD 2009 F-550 v.3 User Manual
Page 326
Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
59
Relay
PCM power bus (Fuses 68, 70, 72, 74,
76) (Gasoline engines only)
60
Diode
One touch start (OTIS)
61
Diode
A/C clutch
62
Diode
Fuel pump
63
15A**
Trailer tow back-up lamps
64
5A**
Mirror marker lamps
65
—
Not used
66
—
Not used
67
—
Not used
68
—
Not used
69
—
Not used
70
10A**
Gasoline engines: A/C clutch relay
coil, Refrigerant Containment Switch,
Heated PCV
Diesel engine: A/C clutch relay coil,
Clutch switch, Fuel pump cooler, A/C
cycle pressure switch
71
5A**
Fuel pump relay diode, PCM/ECM
Run/Start power
72
15A**
Gasoline engines: Ignition coils
Diesel engine: Engine TCM
73
2A**
Reverse Camera System (RCS)
74
20A**
Gasoline engines: VPWR: HEGO,
CMS, MAFS, EVMV, CMCV, VCT,
IMTV
Diesel engine: VPWR: Engine loads
75
5A**
Back-up relay coil power
76
20A**
Gasoline engines: VPWR: PCM
Diesel engine: VPWR: ECM
77
10A**
ABS module logic
* Cartridge fuses ** Mini fuses
2009 F-250/350/450/550 (f23)
Owners Guide, 3rd Printing
USA (fus)
Roadside Emergencies
326