Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
35
10A
Rear park assist
36
5A
PATS transceiver
37
10A
Not used (spare)
38
20A
Subwoofer
39
20A
Radio, Navigation display
40
20A
Not used (spare)
41
15A
Automatic dimming mirror, Door
lock switch illumination, Radio
accessory delay
42
10A
Not used (spare)
43
10A
Heated mirror/backlight relay,
Rain sensor, Reverse camera
44
10A
Not used (spare)
45
5A
Front wiper logic, Blower motor
relay
46
7.5A
Occupant classification sensor
(OCS)
47
30A Circuit
Breaker
Power windows, Moon roof,
Power sliding backlight
48
—
Delayed accessory relay (Feeds
fuse 41 and circuit breaker 47)
Power distribution box
The power distribution box is located in the engine compartment. The
power distribution box contains high-current fuses that protect your
vehicle’s main electrical systems from overloads.
WARNING:
Always disconnect the battery before servicing high
current fuses.
WARNING:
To reduce risk of electrical shock, always replace
the cover to the Power Distribution Box before reconnecting the
battery or refilling fluid reservoirs.
2009 F-150
(f12)
Owners Guide
(own2002)
, 3rd Printing
USA
(fus)
Roadside Emergencies
318