Here you’ll find full guide about fuses and relays on the Ford F150 (2004 – 2008) Model.
Here you’ll find full guide about fuses and relays on the Ford F150 (2004 – 2008) Model.
Fuse and Relays in The Main Fusebox
| No. | A | Protected components |
| 1 | 10 | Run/Accessory – Wipers, Instrument cluster, Audio (’05-’08 – XL/STX) |
| 2 | 20 | Stop/Turn lamps, Brake on/off switch, Hazard flashers (’07), T/T electric brake module (’08), PCM (BOO signal (’08)), turn signal mirrors (’08), CHMSL (’08) |
| 3 | 5 | ’04-’05: Power mirrors, Memory logic power (’04), Memory seats and pedals |
| 7.5 | ’06-’08: Power mirrors, Memory seats and pedals, Driver power seat (’07) | |
| 4 | 10 | DVD battery power, Power fold mirror (’05-’08) |
| 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 | ’06-’08: Fuel pump relay, Fuel injectors, Injector sense, Intake manifold runner control (4.2L) |
| 10 | 20 | Trailer tow back-up lamps relay, Trailer tow parklamp relay |
| 11 | 10 | A/C clutch, 4×4 solenoid |
| 12 | 5 | ’06-’08: PCM relay coil |
| 13 | 10 | Climate control module power, Flasher relay (’05-’08) |
| 14 | 10 | Back-up lamp and Daytime Running Lamps (DRL) relay coil, A/C pressure switch, 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 | Overdrive cancel, Cluster, Brake-Shift Interlock (BSI (’04)) |
| 16 | 10 | ABS module (Run/Start power (’04)), Brake-shift interlock solenoid (’05-’08) |
| 17 | 15 | Fog lamp relay |
| 18 | 10 | Run/Start feed – Flasher relay (’04), Electrochromatic mirror, Heated seats, BSM, Compass, RSS (Reverse Sensing System), Power rail (’08), Run/Start feed – Overhead power point (’05-’07) |
| 19 | 10 | Restraints (Air bag module) |
| 20 | 15 | ’04: PCM 4×4 power |
| 10 | ’05-’07: Battery feed for overhead power point | |
| 10 | ’08: Power rail | |
| 21 | 15 | Cluster keep alive power |
| 22 | 10 | Delayed accessory power for audio, power door lock switch and moonroof switch illumination |
| 23 | 10 | RH low beam headlamp |
| 24 | 15 | Battery saver power for demand lamps, Flex fuel (’08) |
| 25 | 10 | LH low beam headlamp |
| 26 | 20 | Horn relay, Horn power |
| 27 | 5 | Passenger Air bag Deactivation (PAD) warning lamp, Cluster air bag warning lamp, Cluster RUN /START power (’04-’07) |
| 28 | 5 | SecuriLock transceiver (PATS), PCM IGN monitor (’06-’08) |
| 29 | 15 | PCM 4×4 power |
| 30 | 15 | ’05-’08: PCM 4×4 power |
| 31 | 20 | Radio power, Satellite radio module (’07-’08) |
| 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 (’06-’08), Electronic fan clutch (4.6L/5.4L engines (’07)) |
| 33 | 15 | Shift solenoid, CMS #12 and #22, Ignition coils (’06-’08), 4.6L/4.2L EGR (’05) |
| 34 | 20 | Fuel injectors (’04-’05), PCM power, Intake Manifold Runner Control (4.2L engine) |
| 35 | 20 | Instrument cluster high beam indicator, High beam headlamps, DRL disable relay (’08) |
| 36 | 10 | Trailer tow right turn/stop lamps |
| 37 | 20 | Rear power point, Center console power point (’07) |
| 38 | 25 | Subwoofer power |
| 39 | 20 | ’04-’06: Instrument panel power point |
| 40 | 20 | Low beam headlamps, DRL |
| 41 | 20 | ’04-’06: Cigar lighter, Diagnostic connector power |
| 42 | 10 | Trailer tow left turn/stop lamps |
| 101 | 30 | Starter solenoid |
| 102 | 20 | Ignition switch feed |
| 103 | 20 | ABS valves |
| 104 | — | 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) (’07-’08)) |
| 110 | 20 | ’07-’08: Cigar lighter, Diagnostic connector power |
| 111 | 30 | 4×4 relays |
| 112 | 40 | ABS pump power |
| 113 | 30 | Wipers and washer pump |
| 114 | 40 | Heated backlite, Heated mirror power |
| 115 | 20 | ’08: Moonroof |
| 116 | 30 | Blower motor |
| 117 | 20 | ’07-’08: Instrument panel power point |
| 118 | 30 | Heated seats |
| 401 | 30 | Circuit breaker: Power windows, Moonroof (’04-’07), Power sliding backlite |
| Relay | ||
| R01 | Starter solenoid | |
| R02 | Accessory delay | |
| R03 | Hi-beam headlamps | |
| R04 | Heated backlite | |
| R05 | Trailer tow battery charge | |
| R06 | Blower motor | |
| R201 | Trailer tow park lamps | |
| R202 | Fog lamps | |
| R203 | PCM | |
| R301 | Trailer tow backup lamps (printed circuit board) | |
| R302 | – (printed circuit board) | |
| R303 | Fuel pump (printed circuit board) | |
| R304 | Battery saver (printed circuit board) | |
| R305 | Horn (printed circuit board) | |
Additional Relay Box (’04)
Without Daytime Running Lamp (DRL)
With Daytime Running Lamp (DRL)
The relay box is located in the engine compartment on the left fender
| No. | A | Protected components |
| F01 | 5 | Clockspring illumination |
| Diode | ||
| D01 | A/C clutch | |
| Relay | ||
| R01 | 4×4 CCW | |
| R02 | 4×4 CW | |
| R03 | Daytime Running Lamps (DRL) (if equipped, otherwise not used) | |
| R201 | DRL | |
| R202 | A/C clutch | |
Additional Relay Box (’05-’08)
Without Daytime Running Lamp (DRL) and 4×4
With Daytime Running Lamp (DRL) and 4×4
The relay box is located in the engine compartment on the left fender
| No. | A | Protected components |
| F03 | 5 | Clockspring illumination |
| Diode | ||
| D01 | A/C clutch | |
| D02 | ’07-’08: One Touch Integrated Start (OTIS) | |
| Relay | ||
| R01 | 4×4 CCW | |
| R02 | 4×4 CW | |
| R03 | Daytime Running Lamps (DRL) high beam disable | |
| R201 | DRL | |
| R202 | A/C clutch | |
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