Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
69 30A** Passenger heated/cooled seats
70 — Not used
71 — Not used
72 20A** Auxiliary power point (Rear)
73 — Not used
74 30A** Driver power seat
75 15A* PCM – voltage power 1
76 20A* Voltage power 2, Voltage -
battery voltage, Mass air
flow/Intake air temp, CMS 12 and
22 with 6R80 transmission, Brake
on/off switch (BOO)
77 10A* Voltage power 3, Electric fan
clutch, A/C clutch relay coil,
Floor shifter (4–speed
transmission)
78 25A* Ignition coils, Voltage power 4
79 10A* CMS 4–speed transmission, 12
and 22 with 4–speed transmission
80 5A* Steering wheel illumination
81 — Not used
82 10A* Trailer Brake Control Module
(TBCM), After market Center
High Mounted Stop Lamp
(CHMSL)
83 — Not used
84 diode A/C clutch
85 — Not used
* Mini Fuses ** Cartridge Fuses
CHANGING THE TIRES
If you get a flat tire while driving, do not apply the brake heavily.
Instead, gradually decrease your speed. Hold the steering wheel firmly
and slowly move to a safe place on the side of the road.
2009 F-150 (f12)
Owners Guide, 2nd Printing
USA (fus)
Roadside Emergencies
323
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