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Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
77
10A*
PCM – Voltage power 3 (Emission
related powertrain components,
Electric fan relays coil)
78
15A*
PCM – Voltage power 4 – Ignition
coils (3.5L, 3.7L, 5.0L engines)
20A*
PCM – Voltage power 4 – Ignition
coils (6.2L engine)
79
5A*
Rain sensor
80
—
Not used
81
—
Not used
82
—
Not used
83
—
Not used
84
—
Not used
85
—
Electric fan relay (low speed)
*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
location
Fuse amp
rating
Description
1
—
Upfitter 1 relay
2
—
Upfitter 2 relay
3
—
Upfitter 3 relay
2
4
6
1
3
5
Roadside Emergencies
346
2012 F-150
(f12)
Owners Guide, 2nd Printing
USA
(fus)
Summary of Contents for 2012 F-150
Page 373: ...3 7L engine Cleaning 373 2012 F 150 f12 Owners Guide 2nd Printing USA fus ...
Page 374: ...5 0L engine Cleaning 374 2012 F 150 f12 Owners Guide 2nd Printing USA fus ...
Page 375: ...6 2L engine Cleaning 375 2012 F 150 f12 Owners Guide 2nd Printing USA fus ...
Page 443: ...Ford Extended Service Plan 443 2012 F 150 f12 Owners Guide 2nd Printing USA fus ...
Page 450: ...Scheduled Maintenance 450 2012 F 150 f12 Owners Guide 2nd Printing USA fus ...