Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
29
5A
Not used (spare)
30
5A
Not used (spare)
31
10A
Not used (spare)
32
10A
Restraints Control Module (RCM),
Passenger Airbag Deactivation
Indicator
33
10A
Trailer tow brake controller,
Trailer tow battery charge relay
coil
34
5A
Not used (spare)
35
10A
Reverse Sensing System (RSS),
4x4 module, 4x4 solenoid,
Traction control switch, Tow/Haul
switch (Diesel engine)
36
5A
Passive Anti-Theft System (PATS)
transceiver, Cluster control
37
10A
Dual automatic or Manual climate
control, PTC control
38
20A
Subwoofer
39
20A
Radio, Navigation radio and
amplifier
40
20A
4x4 module, Satellite radio
module, SYNC
41
15A
Radio, Electrochromatic rear view
mirror, Lock switch illumination
42
10A
Heated seat relay coil, Upfitter
switch relay coils, Heated mirror
relay coil
43
10A
Fuel tank selector switch, 4x4
module
44
10A
Run customer access feed (PTO)
2009 F-250/350/450/550
(f23)
Owners Guide, 2nd Printing
USA
(fus)
Roadside Emergencies
321