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

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

Passenger Compartment Fuse 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.

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
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
’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)
’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

Window Adjust Switch (Power Windows), Passenger Side Window Adjust Switch, Moonroof (’04-’07)

Relay

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)

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

No.

Diode

Relay

Additional Relay Box (’05-’08)

No.

Diode

Relay

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.

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.

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.

The 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.

• With Daytime Running Lamp (DRL) or 4×4 options
• Without Daytime Running Lamp (DRL) and 4×4 options

The relays are coded as follows:

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.

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