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Ford F-150 (2004-2008) Fuses and Fuse Box Diagram and Location

Ford-F-150-(2004-2008)-Fuses-and-Fuse-box-diagram-and-Location-product

Passenger Compartment Fuse Box

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The fuse panel is located under the right-hand side of the instrument panel. Remove the trim panel and fuse box cover to access the fuses.

No. Amp Circuits Protected
1 10 Windshield Wiper Motor, Instrument Cluster, Audio Unit, Ignition Switch
2 20 Indicator Flasher Relay (Stop/Turn Lamps), Brake Pedal Position Switch, Deactivator Switch, Trailer Tow Electric Brake Module (’08), PCM (BOO Signal (’08)), Turn Signal Mirrors (’08), CHMSL (’08)
3 5 ’04-’05: Exterior Rear View Mirror Switch, Seat Adjust Switch (Driver Side Front), Driver Seat Module(DSM), Memory Seats and Pedals<br>7.5 ’06-’08: Exterior Rear View Mirror Switch, Seat Control Switch, Driver Side Front, Driver Seat Module (DSM), Memory Seats and Pedals
4 10 DVD Battery Power, Rear Entertainment Module (RETM), Power Folding Mirror Module (’05-’08)
5 7.5 Powertrain Control Module (PCM), Autolamp/Sunload Sensor, Electronic Manual Temperature Control (EMTC) Module, Electronic Automatic Temperature Control (EATC) Module, Evaporative Emission Canister Vent Solenoid
6 15 Main Light Switch, Body Control Module (BCM) or Body Security Module (BSM), Parklamps, Instrument Panel Illumination, Vehicle Security Module (VSM)
7 5 Audio Unit (Start Signal), Digital Transmission Range (DTR) Sensor
8 10 Electronic Manual Temperature Control (EMTC) Module, Electronic Automatic Temperature Control (EATC) Module, Exterior Rear View Mirrors
9 20 ’06-’08: Fuel Pump Relay, Fuel Injectors, Injector Sense, Intake Manifold Runner Control (4.2L)
10 20 Trailer Tow Parking Lamp Relay, Trailer Tow Reversing Lamp Relay
11 10 A/C Clutch Relay, 4×4 Center Axle Disconnect Solenoid
12 5 ’06-’08: PCM Relay Coil
13 10 Electronic Manual Temperature Control (EMTC) Module, Electronic Automatic Temperature Control (EATC) Module, Indicator Flasher Relay (’05-’08), Heated Rear Window Relay, Blower Motor Relay, Battery Charge Trailer Tow Relay
14 10 Digital Transmission Range (DTR) Sensor, Daytime Running Lamps (DRL) Enable Relay, Brake Pedal Position Switch, A/C High-Pressure Switch, Positive Crankcase Ventilation Heater, Reversing Lamp Relay Coil, Brake-Shift Interlock Solenoid (’04), Heated PCV (5.4L), ABS (’05-’08), Trailer Tow Back-Up Lamps Relay Coil (’05-’07), Reverse Park Aid (’05-’07), EC Mirror (’05-’07), Navigation Radio (’07), Redundant Speed Control Switch (’05-’08)
15 5 Floor Shifter, Overdrive Cancel Switch, Instrument Cluster, Brake-Shift Interlock (BSI (’04)), Traction Control Switch
16 10 ABS Control Module (’04), Deactivator Switch, Brake-Shift Interlock Solenoid (’05-’08)
17 15 Fog Lamp Relay
18 10 Indicator Flasher Relay (’04), Parking Aid Module (PAM), Electronic Compass, Electrochromatic Inside Mirror Unit, Heated Seat Module, Body Control Module (BCM) or Body Security Module (BSM / VSM), Auxiliary Power Point, Reverse Sensing System (RSS), Power Rail (’08), Run/Start Feed – Overhead power point (’05-’07)
19 10 Passenger Air Bag Deactivation (PAD) Switch, Occupant Classification System Module (OCSM), Restraints Control Module (RCM)
20 15 ’04: Powertrain Control Module (PCM), 4×4 Power<br>’05-’08: Auxiliary Power Point
21 15 Instrument Cluster
22 10 Audio Unit, Roof Opening Panel Switch, Door Lock Switch
23 10 Right Low Beam Headlamp
24 15 Battery Saver Relay (Demand Lamps), Flex Fuel
25 10 Left Low Beam Headlamp
26 20 Horn Relay, Horn Power
27 5 Passenger Air Bag Deactivation (PAD) Indicator, Instrument Cluster Air Bag Warning Lamp, Instrument Cluster Power (’04-’07)
28 5 Powertrain Control Module (PCM) Power Diode, Passive Anti-Theft Transceiver Module (PATS), Fuel Pump Diode
29 15 Powertrain Control Module (PCM), 4×4 Power
30 15 ’05-’08: Powertrain Control Module (PCM), 4×4 Power
31 20 Audio Unit, Satellite Digital Radio Receiver System (SDARS) Module (’07-’08)
32 15 Evaporative Emission (EVAP) Canister Vent Valve, A/C Clutch Relay, Charge Motion Control Valve (CMCV), Left/Right Valve Cover Assembly, Heated Exhaust Gas Oxygen (HEGO) Sensors #11 and #21, Manifold Absolute Pressure/intake Air Temperature (MAP/IAT) Sensor, Positive Crankcase Ventilation (PCV) Heater, Intake Manifold Runner Control (IMRC) Module, EGR System Module, Vapor Management Valve (VMV), Mass Air Flow (MAF) Sensor, Variable Cam Timing (VCT), CID Sensor (4.2L engine), 4.6L/4.2L EGR (’06-’08), Electronic Fan Clutch (4.6L/5.4L engines (’07)), Camshaft Position Sensor
33 15 4R70E/4R75E Transmission (Shift Solenoid), Heated Oxygen Sensor (H02S) Sensors
No. Amp Circuits Protected
34 20 ’04-’05: Fuel injectors (’04-’05), Fuel Pump Relay, Powertrain Control Module (PCM) Power, Intake Manifold Runner Control (4.2L engine)<br>’06-’08: Powertrain Control Module (PCM)
35 20 High Beam Headlamps, Fog Lamp Relay, Daytime Running Lamps (DRL) Relay, Instrument Cluster High Beam Indicator, Fog Lamps, Main Light Switch
36 10 Trailer Tow Connector, Park/Stop/Turn Lamp (Right Rear), Multifunction Switch
37 20 Rear PowerPoint, Center Console PowerPoint
38 25 Subwoofer Power
39 20 ’04-’06: Instrument Panel PowerPoint
40 20 Daytime Running Lamps (DRL) Enable Relay, Body Control Module (BCM) / Vehicle Security Module (VSM), Main Light Switch, Multifunction Switch
41 20 ’04-’06: Data Link Connector (DLC), Front Cigar Lighter
42 10 Trailer Tow Connector, Park/Stop/Turn Lamp (Left Rear), Multifunction Switch
101 30 Starter Relay
102 20 Ignition Switch
103 20 ABS Control Module (Valves)
104
105 30 Trailer Electronic Brake Control Module
106 30 Trailer Tow Relay (Battery Charge)
107 30 Power Door Locks (Body Control Module (BCM) or Body Security Module (BSM / VSM))
108 30 Passenger Power Seat
109 30 Driver Power Seat, Adjustable Pedal Switch, Driver Seat Module, Memory Module
110 20 ’07-’08: Data Link Connector (DLC), Cigar Lighter
111 30 Clockwise (CW) Motor 4×4 Relay, Counterclockwise (CCW) Motor 4×4 Relay
112 40 ABS Control Module (Pump Power)
113 30 Windshield Wiper Motor and Washer Pump
114 40 Rear Window Defrost Relay, Heated Mirror Power
115 20 ’08: Moonroof
116 30 Blower Motor Relay
117 20 ’07-’08: Instrument Panel PowerPoint
118 30 Heated Seats

Circuit Breaker

No. Amp Circuits Protected
401 30 Rear Power Sliding Window Switch, Roof Opening Panel Module, Master Window Adjust Switch (Power Windows), Passenger Side Window Adjust Switch, Moonroof (’04-’07)

Relay

No. Circuits Protected
R1 Starter Solenoid
R2 Accessory Delay
R3 High Beam
R4 Rear Window Defrost
R5 Trailer Tow (Battery Charge)
R6 Blower Motor
R201 Trailer Tow (Parking Lamp)
R202 Fog Lamps
R203 Powertrain Control Module (PCM)
R301 Trailer Tow (Reversing Lamp)
R302
R303 Fuel Pump
R304 Battery Saver
R305 Horn

Fusible Link Location

  1. GRY (12 Ga) – Generator
  2. GRY (12 Ga) – Fusible Link C
  3. BRN (18 Ga) – Generator
Indicator Flasher Relay (Location)

Additional Relay Box (’04)

Ford-F-150-(2004-2008)-Fuses-and-Fuse-box-diagram-and-Location-fig-2

The relay box is located in the engine compartment on the left fender

No.

No. A Circuits Protected
1 5 Clockspring Illumination

Diode

No. Circuits Protected
D1 without Daytime Running Lamp (DRL): A/C Clutch

Relay

No. Circuits Protected
R01 Counterclockwise (CCW) Motor 4×4
R02 Clockwise (CW) Motor 4×4
R03 with DRL: Daytime Running Lamps (DRL)
R201 Daytime Running Lamps (DRL)
R202 A/C Clutch

Additional Relay Box (’05-’08)

Ford-F-150-(2004-2008)-Fuses-and-Fuse-box-diagram-and-Location-fig-3

No.

No. A Circuits Protected
03 5 Clockspring Illumination

Diode

No. Circuits Protected
D01 A/C Clutch
D02 ’07-’08: One Touch Integrated Start (OTIS)

Relay

No. Circuits Protected
R01 Counterclockwise (CCW) Motor 4×4
R02 Clockwise (CW) Motor 4×4
R03 Daytime Running Lamps (DRL) High Beam Disable
R201 Daytime Running Lamps (DRL)
R202 A/C Clutch

Fuses

If electrical components in the vehicle are not working, a fuse may have blown. Blown fuses are identified by a broken wire within the fuse. Check the appropriate fuses before replacing any electrical
components.
Note: Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire.

Ford-F-150-(2004-2008)-Fuses-and-Fuse-box-diagram-and-Location-fig-4

Roadside Emergencies

Standard fuse amperage rating and color

COLOR
Fuse rating Mini fuses Standard fuses Maxi fuses Cartridge maxi

fuses

Fuse link cartridge
2A Grey Grey
3A Violet Violet
4A Pink Pink
5A Tan Tan
7.5A Brown Brown
10A Red Red
15A Blue Blue
20A Yellow Yellow Yellow Blue Blue
25A Natural Natural
30A Green Green Green Pink Pink
40A Orange Green Green
50A Red Red Red
60A Blue Yellow Yellow
70A Tan Brown
80A Natural Black Black

Passenger compartment fuse panel/power distribution box The fuse panel is located under the right-hand side of the instrument panel. Remove the trim panel and fuse box cover to access the fuses. To remove the fuse box cover, place a finger behind the PULL tab and your thumb above the PULL tab as shown in the illustration, then pull the cover off.

Ford-F-150-(2004-2008)-Fuses-and-Fuse-box-diagram-and-Location-fig-5

To reinstall the fuse box cover, place the top part of the cover on the fuse panel, then push the bottom part of the cover until you hear it click shut. Gently pull on the cover to make sure it is seated properly.

  • Always disconnect the battery before servicing high-current fuses.
  • To reduce the risk of electrical shock, always replace the cover to the Power Distribution Box and Auxiliary Relay Box before reconnecting the battery or refilling fluid reservoirs.

If the battery has been disconnected and reconnected, refer to the Battery section of the Maintenance and Specifications chapter.

Ford-F-150-(2004-2008)-Fuses-and-Fuse-box-diagram-and-Location-fig-6The fuses are coded as follows.

Fuse/Relay Location Fuse Amp Rating Passenger Compartment Fuse Panel Description
F01 10A* Run/Accessory – Wipers, Instrument cluster, Audio for XL/STX
F02 20A* Stop/Turn lamps, ABS, T/T electric brake module, PCM (BOO signal), turn signal mirrors, CHMSL
F03 7.5A* Power mirrors, Memory seats and pedals
F04 10A* DVD battery power, Power fold mirror
F05 7.5A* Keep alive memory for Powertrain Control Module (PCM) and Climate control module
F06 15A* Parklamps, Body Security Module (BSM), Instrument panel illumination
F07 5A* Radio (start signal)
F08 10A* Heated mirrors, Switch indicator
F09 20A* Fuel pump relay, Fuel injectors, Injector sense
F10 20A* Trailer tow back-up lamps relay, Trailer tow parklamp relay
F11 10A* A/C clutch, 4×4 solenoid
F12 5A* PCM relay coil
F13 10A* Climate control module power, Flasher relay
F14 10A* Back-up lamp and Daytime Running Lamps (DRL) relay coil, A/C pressure switch, Redundant speed control switch, Heated PCV (5.4L), ABS
F15 5A* Overdrive cancel, Cluster
F16 10A* Brake-shift interlock solenoid
F17 15A* Fog lamp relay
Fuse/Relay Location Fuse Amp Rating Passenger Compartment Fuse Panel Description
F18 10A* Electrochromatic mirror, Heated seats, BSM, Compass, RSS (Reverse Sensing System), Power rail
F19 10A* Restraints (Airbag module)
F20 10A* Power rail
F21 15A* Cluster keep alive power
F22 10A* Delayed accessory power for audio, power door lock switch and moon roof switch illumination
F23 10A* RH low beam headlamp
F24 15A* Battery saver power for demand lamps, Flex fuel
F25 10A* LH low beam headlamp
F26 20A* Horn
F27 5A* Passenger Airbag Deactivation (PAD) warning lamp, Cluster airbag warning lamp
F28 5A* SecuriLock transceiver (PATS), PCM IGN monitor
F29 15A* PCM 4×4 power
F30 15A* PCM 4×4 power
F31 20A* Radio power, Satellite radio module
F32 15A* Vapor Management Valve (VMV), A/C clutch relay, Canister vent, Heated Exhaust Gas Oxygen (HEGO) sensors #11 and #21, CMCV, Mass Air Flow (MAF) sensor, Variable Cam Timing (VCT), Heated Positive Crankcase Ventilation (PCV) valve (4.2L engine), CID sensor (4.2L engine), 4.6L/4.2L EGR
Fuse/Relay Location Fuse Amp Rating Passenger Compartment Fuse Panel Description
F33 15A* Shift solenoid, CMS #12 and #22, Ignition coils
F34 15A* PCM power, IMRC (4.2L)
F35 20A* Instrument cluster high beam indicator, High beam headlamps, DRL disable relay
F36 10A* Trailer tow right turn/stop lamps
37 20A* Rear power point
38 25A* Subwoofer power
39 Not used
40 20A* Low beam headlamps, DRL
41 Not used
42 10A* Trailer tow left turn/stop lamps
F101 30A** Starter solenoid
F102 20A** Ignition switch feed
F103 20A** ABS valves
F104 Not used
F105 30A** Electric trailer brakes
F106 30A** Trailer tow battery charge
F107 30A** Power door locks (BSM)
F108 30A** Passenger power seat
F109 30A** Driver power seat, Adjustable pedals, Memory module (pedals, seats)
F110 20A** Cigar lighter, Diagnostic connector power
F111 30A** 4×4 motor relays
F112 40A** ABS pump power
F113 30A** Wipers and washer pump
F114 40A** Heated backlite, Heated mirror power
F115 20A** Moonroof
Fuse/Relay Location Fuse Amp Rating Passenger Compartment Fuse Panel Description
F116 30A** Blower motor
F117 20A** Instrument panel power point
F118 30A** Heated seats
401 30A Circuit breaker Delayed accessory power: Power windows, Power sliding backlite
R01 Full ISO relay Starter solenoid
R02 Full ISO relay Accessory delay
R03 Full ISO relay Hi-beam headlamps
R04 Full ISO relay Heated backlite
R05 Full ISO relay Trailer tow battery charge
R06 Full ISO relay Blower motor
R201 Half ISO relay Trailer tow park lamps
R202 Half ISO relay Fog lamps
R203 Half ISO relay PCM
R301 Printed circuit board Trailer tow backup lamps
R302 Not used
R303 Printed circuit board Fuel pump
R304 Printed circuit board Battery saver
R305 Printed circuit board Horn
* Mini fuses ** Cartridge fuses

Auxiliary relay box

The relay box is located in the engine compartment on the left fender.

Ford-F-150-(2004-2008)-Fuses-and-Fuse-box-diagram-and-Location-fig-7

  • With Daytime Running Lamp (DRL) or 4×4 optionsFord-F-150-(2004-2008)-Fuses-and-Fuse-box-diagram-and-Location-fig-7
  • Without Daytime Running Lamp (DRL) and 4×4 options

The relays are coded as follows:

Fuse/Relay Location Fuse Amp Rating Description
F03 5A Clockspring illumination
R01 Full ISO Relay 4×4 CCW
R02 Full ISO Relay 4×4 CW
R03 1⁄2 ISO Relay Daytime Running Lamps (DRL) high

beam disable

R201 Relay DRL
R202 Relay A/C clutch
D01 Diode A/C clutch
D02 Diode One Touch Integrated Start (OTIS)

Troubleshooting

  1. Check the specific fuse for that component:
    • Solution: Refer to the fuse box diagram (usually located inside the fuse box cover) to find the appropriate fuse for the malfunctioning component.
    • Once identified, remove the fuse using a fuse puller or needle-nose pliers.
    • Inspect the fuse visually. A blown fuse will have a broken or melted metal filament.
  2. Replace the blown fuse:
    • Solution: If the fuse is blown, replace it with a new fuse of the same rating (ampere). Ensure the replacement fuse matches the rating of the blown fuse.
  3. Check the component:
    • Solution: After replacing the fuse, turn on the vehicle and check if the component is working. If it’s still not functioning, there could be an issue with the component itself or its wiring.

Problem: Fuse keeps blowing shortly after replacement

  • Check for short circuits:
    • Solution: A recurring blown fuse indicates a short circuit or a malfunctioning component. Inspect the wiring related to the fuse/component for exposed wires, damaged insulation, or signs of burning.
  • Inspect the component:
    • Solution: The component associated with the fuse might be faulty. For instance, a malfunctioning radio or headlight can cause the fuse to blow. Consider replacing or repairing the component.
  • Consult a professional:
    • Solution: If you can’t identify the issue, it’s best to take your F-150 to a professional mechanic or technician for a more in-depth diagnosis.

Problem: Difficulty locating the fuse box

  • Engine Compartment:
    • Solution: The primary fuse box, also known as the power distribution box, is typically located in the engine compartment. Look for a black box near the battery.
  • Interior:
    • Solution: The secondary fuse box (or the passenger compartment fuse panel) is usually located below the dashboard on the driver’s side. It may be behind a cover or panel.

Problem: Misplaced or illegible fuse box diagram

  • Check the manual:
    • Solution: The vehicle’s owner manual will have a section dedicated to fuses, including diagrams and descriptions.
  • Online resources:
    • Solution: Search for your specific Ford F-150 model year’s fuse box diagram online. There are many dedicated forums and websites with detailed information.
  • Visit a dealership:
    • Solution: If you’re unable to find the information elsewhere, a Ford dealership can provide guidance on fuses or even offer a replacement diagram.
General Tips
  • Always turn off the vehicle and remove the keys before inspecting or replacing fuses.
  • Never replace fuses with a higher or lower rating than recommended; this can lead to electrical malfunctions or fires.
  • Keep spare fuses in your vehicle for emergencies.

FAQs

What is the role of fuses in my Ford F-150 (2004-2008)?

Fuses serve as safety devices that protect electrical components in your truck by breaking the circuit if a predetermined current level is exceeded. This prevents damage or potential fires due to electrical overloads.

How many fuse boxes does the Ford F-150 (2004-2008) have?

The Ford F-150 from this period typically comes with two fuse boxes - one located in the engine compartment, known as the power distribution box, and another inside the truck, often referred to as the passenger compartment fuse panel.

Where can I locate the primary fuse box in the engine compartment?

The primary fuse box or power distribution box is usually located near the battery in the engine compartment, often within a protective casing.

How do I access the interior fuse box or passenger compartment fuse panel?

This fuse panel is often found below the dashboard on the driver's side. It might be behind a removable cover or panel.

Is there a fuse map available within the truck?

Yes, you can usually find a fuse diagram on the inside cover of both the power distribution box and the passenger compartment fuse panel. It will provide information on fuse ratings and their designated functions.

My headlights aren't working; which fuse should I inspect?

If your headlights aren't functioning, refer to the fuse box diagram to identify the fuse associated with the headlights. It will be labeled accordingly.

How frequently should I inspect the fuses in my Ford F-150?

While fuses don't have a predetermined lifespan, it's prudent to inspect them once a year or if you observe that electrical components in your vehicle aren't operating correctly.

Are all the fuses in my Ford F-150 of the same variety and rating?

No, there are various types and ratings of fuses used. It's essential to replace a blown fuse with one of the exact same rating to ensure the circuit remains protected.

What are the indications of a blown fuse?

A blown fuse can be identified by a broken or melted internal filament visible through its transparent housing. Some fuses might also show discoloration or signs of burning.

What should I do if a newly replaced fuse blows again quickly?

If a fuse blows repeatedly, there might be an underlying issue, such as a short circuit or a faulty component. In such scenarios, it's advisable to consult a professional mechanic or technician for a thorough diagnosis.

Can I change the fuses in my Ford F-150 by myself?

Yes, changing fuses is generally a simple task. However, always ensure the vehicle is turned off, and the keys are removed. Make sure you're using the appropriate fuse type and rating for replacement.

Is there any risk in using a fuse with a higher or lower rating than recommended?

Absolutely, using a fuse with a higher rating can risk damage to the circuit or even lead to fires as the circuit won't be adequately protected. A lower-rated fuse, on the other hand, will blow prematurely, even if the circuit is normal.

References

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