Where are the fuse boxes located?

  1. Passenger compartment fuse panel / power distribution box : The fuse panel is located under the right-hand side of the instrument panel.
  2. Engine Compartment Relay 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.
  3. Auxiliary Relay Box: The relay box is located in the left rear corner of the engine compartment.

1. Passenger Compartment

2012 ford f 150 passenger compartment fuse box location

How to access fuse panel ?


Remove the trim panel and fuse box cover to access the fuses.

To remove the trim panel for access to the fuse box, pull the panel toward you and swing it out away from the side and remove it. To reinstall it, line up the tabs with the
grooves on the panel, then push it shut.

2. Under Hood Fuse Box

2012 ford f 150 under hood relay box location

3. Auxiliary Relay Box


2012 Ford F 150 Fuse Box Diagram

Passenger Compartment Fuse Panel / Power Distribution Box

2012 Ford F 150 Passenger Compartment Fuse Box Diagram

2012 ford f 150 passenger compartment fuse panel diagram

2012 Ford F 150 Passenger Compartment Fuse Details

130ADriver side front window
330APassenger side front window
410AInterior lamps
520AMemory module
65ANot used (spare)
77.5APower mirror switch, Memory seat module
810ANot used (spare)
910ARadio display, GPS module, Navigation display
1010ARun/accessory relay
1110AInstrument cluster
1215AInterior lighting, Puddle lamps, Backlighting, Cargo lamp
1315ARight turn signals/stop lamps
1415ALeft turn signals/stop lamps
1515AReverse lights, High-mounted stop lamp
1610ARight low-beam headlamp
1710ALeft low-beam headlamp
1810ABrake-shift interlock, Keypad illumination, PCM wakeup, PATS
1920AAudio amplifier
2020APower door locks
2110AAmbient lighting
2315ASteering wheel control module
2415ADatalink connector, Steering wheel control module
2515ANot used (spare)
265ARadio frequency module
2720ANot used (spare)
2815AIgnition switch
3015AFront parking lamps
315ABOO – IP, BOO – Engine
3215ADelay/accessory – moon roof, power windows, locks, Automatic dimming mirror/Compass
3310AHeated seats
3410AReverse sensing system, 4×4 switch, Rear video, Off road indicator (SVT Raptor)
355AHill descent switch (SVT Raptor)
3610ARestraint control module, Occupant classification system module
3710ATrailer brake control
3810ADelayed accessory – 110V power point, Radio (AM/FiM)
3915AHigh beam headlamps
4010ARear park lamps
417.5APassenger airbag deactivation indicator, Upfitter switch (SVT Raptor)
425AOverdrive cancel switch
4310ANot used (spare)
4410ANot used (spare)
455ANot used (spare)
4610AClimate controls module
4715AFog lamps, Exterior mirror turn signals
4830A Circuit BreakerPower rear windows, Power sliding back window
49RelayDelayed accessory

2012 Ford F 150 Under Hood Fuse Box

2012 Ford F 150 Under Hood Fuse Box Diagram

2012 ford f 150 under hood fuse panel diagram

2012 Ford F 150 Under Hood Fuse Box Details

1Powertrain control module (PCM) relay (3.7L, 5.0L and 6.2L engines)
2Starter relay
3Blower motor relay
4Rear window defroster relay
5Electric fan relay (high speed)
6Trailer tow (TT) park lamp relay
7Run/start relay
8Fuel pump relay
9TT Battery charger relay
10PCM relay (3.5L engine)
1130A**Power running board motors
1240A**Electric fan
1250A**Electric fan (6.2L with max trailer tow, SVT Raptor)
1330A**Starter relay power
1430A**Passenger power seat
1540A**Electric fan
1550A**Electric fan (6.2L with max trailer tow, SVT Raptor)
16Not used
1730A**Trailer brake control
1830A**Upfitter 1 (SVT Raptor)
1930A**Upfitter 2 (SVT Raptor)
2020A**4×4 module (electronic shift)
2130A**TT battery charge relay power
2220A**Cigar lighter
23A/C clutch relay
24Not used
25Vacuum pump relay (3.5L engine)
2610 A*PCM – keep alive power, PCM relay coil, canister vent solenoid (3.7L, 5.0L and 6.2L engines)
2720 A*Fuel pump relay power
2810 A*Upfitter 4 (SVT Raptor)
2910 A*4×4 IWE solenoid
3010 A*A/C clutch
3115 A*Run/start relay power
3240A**Rear window defroster relay power
3340A**110V AC power point
3440A**PCM relay power (3.7L, 5.0L and 6.2L engines)
3450A**PCM relay power (3.5L engine)
35Not used
3630A**Roll stability control (RSC)/Anti-lock brake system (ABS)
37TT left stop/turn relay
38TT right stop/turn relay
39TT back-up lamps relay
40Electric fan relay
41Not used
425A*Run/start coil
4315 A*TT back-up lamp relay power
4415 A*Upfitter 3 (SVT Raptor)
4510 A*Alternator sensor (non-6.2L engines)
4610 A*Brake on/off (BOO) switch
4760A**RSC/ABS module
4820A**Moon roof
50Not used
5140A**Blower motor relay power
525A*Run/start – Electronic power assist steering, Blower relay coil
535A*Run/start – PCM
545A*Run/start – 4×4 module, Back-up lamps, RSC/ABS, TT battery charge relay coil, Rear window defroster relay coil
55Not used
5615 A*Heated mirrors
57Not used
58Not used
59Not used
60Not used
61Not used
62Wiper motor relay
6325A**Electric fan
6440A**Vacuum pump relay power (3.5L engine)
6520A**Auxiliary power point (instrument panel)
6620A**Auxiliary power point (inside center console)
6720A**TT park lamps relay power
6825A**4×4 module
6930A**Passenger heated/cooled seats
70Not used
7120A**Heated rear seats
7220A**Auxiliary power point (Rear)
7320A**TT stop/turn lamps relay power
7430A**Driver power seat/memory module
7515 A*PCM – voltage power 1 (3.7L, 5.0L, 6.2L engines PCM module)
7525A*PCM – voltage power 1 (3.5L engine PCM module)
7620 A*PCM – Voltage power 2 (General powertrain components, Mass air flow/Intake air temp sensor) (3.7L, 5.0L, 6.2L engines)
7620 A*PCM – Voltage power 2 (General powertrain components, Canister vent solenoid) (3.5L engine)
7710 A*PCM – Voltage power 3 (Emission related powertrain components, Electric fan relays coil)
7815 A*PCM – Voltage power 4 – Ignition coils (3.5L, 3.7L, 5.0L engines)
7820 A*PCM – Voltage power 4 – Ignition coils (6.2L engine)
795A*Rain sensor
80Not used
81Not used
82Not used
83Not used
84Not used
85Electric fan relay (low speed)

2012 Ford F 150 Auxiliary Relay Box

AmpsDescriptionProblem, if blown or malfunction
1Upfitter 1 relay
2Upfitter 2 relay
3Upfitter 3 relay
4Upfitter 4 relay
5Not used
6Not used

WARNING: The terminal and harness assignments for individual connectors may vary depending on the vehicle’s equipment level, model, and market. It is recommended to refer to the fuse box diagram provided at the back of the fuse box cover for accurate information.

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