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Ford F-150 (2004 - 2008) Fuse Box Diagram

avatar Jonathan Yarden Jan 25, 2021 · 5 min. read

In this article you will find a description of fuses and relays Ford, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2004, 2005, 2006, 2007, 2008

Passenger compartment fuse panel / power distribution box

The fuse panel is located under the right-hand side of the instrument panel.

Ford F-150 - fuse box diagram - passenger compartment

‚ĄĖ A Fuse Description
1 10 ¬†Run/Accessory ‚Äď Wipers, Instrument cluster, Audio for XL/STX
2 20  Stop/Turn lamps, ABS, T/T electric brake module,
PCM (BOO signal), turn signal mirrors, CHMSL
3 7.5  Power mirrors, Memory seats and pedals
4 10  DVD battery power, Power fold mirror
5 7.5  Keep alive memory for Powertrain Control Module (PCM) and Climate control module
6 15  Parklamps, Body Security Module (BSM),
Instrument panel illumination
7 5  Radio (start signal)
8 10  Heated mirrors, Switch indicator
9 20  Fuel pump relay, Fuel injectors, Injector sense
10 20  Trailer tow back-up lamps relay,
Trailer tow parklamp relay
11 10  A/C clutch, 4×4 solenoid
12 5  PCM relay coil
13 10  Climate control module power,
Flasher relay
14 10  Back-up lamp and Daytime Running Lamps (DRL) relay coil,
A/C pressure switch, Redundant speed control switch,
Heated PCV (5.4L), ABS
15 5  Overdrive cancel, Cluster
16 10  Brake-shift interlock solenoid
17 15  Fog lamp relay
18 10  Electrochromatic mirror, Heated seats, BSM,
Compass, RSS (Reverse Sensing System), Power rail
19 10  Restraints (Airbag module)
20 10  Power rail
21 15  Cluster keep alive power
22 10  Delayed accessory power for audio,
power door lock switch and moon roof switch illumination
23 10  RH low beam headlamp
24 15  Battery saver power for demand lamps, Flex fuel
25 10  LH low beam headlamp
26 20  Horn
27 5  Passenger Airbag Deactivation (PAD) warning lamp,
Cluster airbag warning lamp
28 5  SecuriLock transceiver (PATS), PCM IGN monitor
29 15  PCM 4×4 power
30 15  PCM 4×4 power
31 20  Radio power, Satellite radio module
32 15  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
33 15  Shift solenoid, CMS #12 and #22, Ignition coils
34 15  PCM power, IMRC (4.2L)
35 20  Instrument cluster high beam indicator, High beam headlamps, DRL disable relay
36 10  Trailer tow right turn/stop lamps
37 20  Rear power point
38 25  Subwoofer power
39 ‚Äď ¬†Not used
40 20  Low beam headlamps, DRL
41 ‚Äď ¬†Not used
42 10  Trailer tow left turn/stop lamps
101 30  Starter solenoid
102 20  Ignition switch feed
103 20  ABS valves
104 ‚Äď ¬†Not used
105 30  Electric trailer brakes
106 30  Trailer tow battery charge
107 30  Power door locks (BSM)
108 30  Passenger power seat
109 30  Driver power seat, Adjustable pedals,
Memory module (pedals, seats)
110 20  Cigar lighter, Diagnostic connector power
111 30  4×4 motor relays
112 40  ABS pump power
113 30  Wipers and washer pump
114 40  Heated backlite, Heated mirror power
115 20  Moonroof
116 30  Blower motor
117 20  Instrument panel power point
118 30  Heated seats
401 30  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 Full ISO relay  Trailer tow park lamps
R202 Full ISO relay  Fog lamps
R203 Full ISO relay  PCM
R301 Printed circuit boar  Trailer tow backup lamps
R302 ‚Äď ¬†Not used
R303 Printed circuit boar  Fuel pump
R304 Printed circuit boar  Battery saver
R305 Printed circuit boar  Horn

Auxiliary relay box

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

With Daytime Running Lamp (DRL) or 4√ó4 options

Ford F-150 - fuse box diagram - auxiliary relay box (with DRL)

Without Daytime Running Lamp (DRL) and 4√ó4 options

Ford F-150 - fuse box diagram - auxiliary relay box (without DRL)

F03 5  Clockspring illumination
R01 Full ISO Relay  4×4 CCW
R02 Full ISO Relay  4×4 CW
R03 ¬Ĺ 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)

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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