Ford F-150 Owner's Manual page 346

Roadside Emergencies
Fuse/Relay
Location
77
78
79
80
81
82
83
84
85
*Mini fuse **Cartridge fuse
Auxiliary relay box (SVT Raptor only)
The relay box is located in the left rear corner of the engine compartment.
Fuse/Relay Fuse amp
location rating
1 —
2 —
3 —
346
2012 F-150 (f12)
Owners Guide, 2nd Printing
USA (fus)
Fuse Amp Protected Circuits
Rating
10A* PCM – Voltage power 3 (Emission
related powertrain components,
Electric fan relays coil)
15A* PCM – Voltage power 4 – Ignition
coils (3.5L, 3.7L, 5.0L engines)
20A* PCM – Voltage power 4 – Ignition
coils (6.2L engine)
5A* Rain sensor
— Not used
— Not used
— Not used
— Not used
— Not used
— Electric fan relay (low speed)
2 4 6
1 3 5
Description
Upfitter 1 relay
Upfitter 2 relay
Upfitter 3 relay