Understanding your 2006 Ford Expedition’s fuse box is crucial for maintaining its electrical system. This guide provides a detailed fuse box diagram specifically for the 2006 Ford Expedition model, focusing on the passenger compartment fuse box, which includes the fuse relevant to your OBD2 port. Knowing the location and function of each fuse can save you time and money when troubleshooting electrical issues in your vehicle.
The primary fuse box in your 2006 Ford Expedition, also known as the power distribution box or passenger compartment fuse panel, is conveniently located inside the vehicle. You can find it beneath the right-hand side of the instrument panel. This location makes it easily accessible for inspection and fuse replacement.
Below is a detailed fuse diagram for the power distribution box in your 2006 Ford Expedition. This table outlines the fuse number, amperage, and the components or systems each fuse protects. Notably, for those interested in using OBD2 diagnostic tools, Fuse #41 is particularly important as it powers the OBD II diagnostic connector.
| № | A | Description |
|---|---|---|
| 1 | 7.5 | Run/Accessory – Front wiper motor, Instrument cluster, Rear wiper motor |
| 2 | 20 | Turn signal/Hazard flasher, Stoplamp switch, Stoplamps, Center high-mount stop light (CHMSL), Turn signal lamps |
| 3 | 7.5 | Power mirror switch, Power mirrors (non-memory), Driver seat switch (memory), Memory module (logic power) |
| 4 | 15 | DVD player, Rear seat audio controls, CDDJ (navigation radio) |
| 5 | 7.5 | Powertrain Control Module (PCM) (KA power), Speed control deactivation switch, Manual climate control mode switch, Stoplamp switch, Brake-shift interlock (BSI) solenoid, EATC control head, Body Security Module (BSM) (KA power), 3rd row seat relay coils, SecuriLock LED |
| 6 | 15 | Headlamp switch (parklamps and switch backlight feed), Parklamps, License plate lamps, Foglamp relay coil, Trailer tow electric brake controller (illumination), BSM (autolamp, parklamps) Foglamp indicator |
| 7 | 5 | Radio (start signal) |
| 8 | 10 | Rear window defroster switch, Rear window defroster indicator (climate control head), Heated outside mirrors |
| 9 | – | Not used |
| 10 | 20 | Trailer tow back-up lamps relay, Trailer tow 7–wire connector (back-up lamps), Trailer tow parklamp relay, Trailer tow 7– and 4–pin connectors (parklamps) |
| 11 | 10 | A/C compressor clutch relay, A/C compressor clutch solenoid, 4×4 Integrated Wheel Ends (IWE) solenoid |
| 12 | 15 | Fuel pump relay, Fuel pump shut-off switch, Fuel pump driver module, Fuel pump motor |
| 13 | 10 | Manual climate control mode switch, Rear window defroster relay coil, A/C refrigerant containment switch, A/C de-icing switch, A/C low pressure switch, DATC control head, DATC solenoids, DATC blower control, Trailer tow battery charge relay coil |
| 14 | 10 | Daytime Running Lamps (DRL) ignition relay coil, Digital Transmission Range Sensor (DTRS) back-up lamps, Trailer tow back-up lamps relay coil, Electrochromatic mirror, Manual A/C blend door actuator |
| 15 | 5 | AdvanceTrac® with RSC switch, Instrument cluster (Run/Start feed) |
| 16 | 10 | BS/AdvanceTrac® with RSC module (Run/Start feed) |
| 17 | 15 | Foglamps |
| 18 | 10 | Auxiliary A/C temperature blend door actuator, Auxiliary A/C front auxiliary control, Turn signal flasher, Electrochromatic mirror, Auxiliary mode motor |
| 19 | 10 | Restraints Control Module (RCM) |
| 20 | 30 | BSM (door locks, liftgate glass release relay), Liftgate glass release motor, Door/Liftgate lock motors |
| 21 | 15 | Instrument cluster (B+), Interior (courtesy) lamps, Puddle lamps (outside mirrors) |
| 22 | 10 | Moonroof switch illumination, Radio (delayed accessory feed), Flip window switch, Flip window motors, EHAM antenna amplifier (navigation radio) |
| 23 | 10 | RH low beam |
| 24 | 15 | Interior demand lamps (front map/dome lamp, 2nd row dome/map lamp, glove compartment lamp, cargo lamp, roof rail lamps, vanity mirror lamps), Battery saver relay coil, Battery saver relay power, Heated Positive Crankcase Ventilation (PCV) valve |
| 25 | 10 | LH low beam |
| 26 | 20 | Horn relay, Horns |
| 27 | 5 | Compass module, Reverse sensing system module, Brake shift interlock solenoid, Overdrive cancel switch, Air suspension module (Run/Start sense) |
| 28 | 5 | PCM relay coil, SecuriLock transceiver, Heated PCV valve relay coil |
| 29 | 30 | Trailer tow electric brake controller, Trailer tow 7–wire connector (electric brake) |
| 30 | 25 | Air suspension module (air spring solenoids and height sensors), PCM (4×4 transfer case clutch) |
| 31 | 20 | Radio (B+), Subwoofer |
| 32 | 15 | Catalyst Monitor Sensors (CMS), Transmission solenoids, Canister vent solenoid, HEGO sensors, VMV solenoid, A/C compressor clutch relay coil, CMCV, VCT actuators |
| 33 | – | Not used |
| 34 | 15 | PCM, Fuel injectors, Mass Air Flow (MAF) sensor |
| 35 | 20 | Instrument cluster high beam indicator, High beam headlamps |
| 36 | 10 | Trailer tow right turn/stop lamps |
| 37 | 20 | Cargo area power point |
| 38 | 25 | Rear wiper motor, Washer pump (rear window wash) |
| 39 | 20 | Console power points (front and rear of console), Instrument panel power point (bench seat) |
| 40 | 20 | DRL relays, DRL foglamps, DRL headlamp relay coil, Headlamp switch (headlamps), Multifunction switch (flash-to-pass), BSM (autolamp headlamps relay), High beam relay coil, Fuse 25 (LH low beam), Fuse 23 (RH low beam) |
| 41 | 20 | Cigarette lighter, OBD II diagnostic connector |
| 42 | 10 | Trailer tow left turn/stop lamps |
| 101 | 30 | Starter motor relay, Starter motor solenoid |
| 102 | 30 | Ignition switch power |
| 103 | 30 | ABS/AdvanceTrac® with RSC module (pump motor) |
| 104 | 30 | LH 3rd row seat relay, LH 3rd row seat switch, LH 3rd row seat motor |
| 105 | 30 | Spare |
| 106 | 30 | Trailer tow battery charge relay, Trailer tow 7–way connector (battery charge) |
| 107 | 30 | Auxiliary A/C blower relay, Auxiliary A/C blower motor |
| 108 | 30 | Passenger seat motor switch |
| 109 | 30 | Driver seat motor switch (non-memory), Memory module, Power memory mirrors, Adjustable pedals switch and motor |
| 110 | 30 | Spare |
| 111 | 50 | Air suspension compressor, Air suspension compressor relay |
| 112 | 30 | ABS/AdvanceTrac® with RSC module (valves) |
| 113 | 30 | Front wiper motor, Washer pump (windshield wash) |
| 114 | 40 | Rear window defroster relay, Rear window defroster grid, Heated mirrors (Fuse 8) |
| 115 | 30 | Transfer case shift motor, 4×4 relays |
| 116 | 40 | Front blower motor relay, Front blower motor |
| 117 | 30 | RH 3rd row seat relay, RH 3rd row seat switch, RH 3rd row seat motor |
| 118 | 30 | Driver and passenger climate control seat module |
| 401 | 30 | Power windows (circuit breaker), Main window switch, Window motors, Window switches, Moonroof module |
| R01 | Starter relay: Starter motor solenoid | |
| R02 | Delayed accessory relay: Fuse 22, CB 401, Power windows, Switch backlighting, Radio, Moonroof, Flip windows, Navigation antenna amplifier | |
| R03 | Hi-beam relay: Fuse # 35, Hi-beam headlamps, Hi-beam indicator | |
| R04 | Rear window defrost relay: Fuse 8 (heated mirrors), Rear window defroster, Heated outside mirrors, Rear window defroster indicator (climate control head) | |
| R05 | Trailer tow battery charge relay: Trailer tow 7–wire connector (battery charge) | |
| R06 | Front blower relay: Front blower motor | |
| R201 | Trailer tow park lamp relay: Trailer tow 7–wire and 4–wire connectors (park lamps) | |
| R202 | Foglamp relay: Front foglamps | |
| R203 | PCM relay: Fuse 32, Fuse 34, PCM solenoids and sensors | |
| R301 | Trailer tow back-up lamp relay: Trailer tow 7–wire connector (back-up lamps) | |
| R302 | Heated PCV valve relay: Heated PCV valve | |
| R303 | Fuel pump relay: Fuel pump shut-off switch, PCM (fuel pump monitor), Fuel pump, Fuel pump driver module | |
| R304 | Battery saver relay: Roof rail lamps, Vanity mirror lamps, Map/Dome lamp, Glove box lamp, Cargo area lamp, Outside mirror puddle lamps, Instrument cluster (interior lamps) | |
| R305 | Horn relay: Dual note horn |
For diagnosing vehicle issues using an OBD2 scanner, it’s essential to ensure that the OBD2 port is receiving power. In the 2006 Ford Expedition, Fuse #41 (20A) is responsible for powering the cigarette lighter and, importantly, the OBD II diagnostic connector. If you are experiencing issues connecting your OBD2 scanner or suspect a problem with the port, checking this fuse should be one of your first steps. A blown Fuse #41 can prevent your scanner from communicating with your vehicle’s computer, hindering your diagnostic efforts.
In conclusion, this fuse box diagram for the 2006 Ford Expedition is a valuable resource for vehicle owners and technicians. Whether you are addressing general electrical problems or specifically troubleshooting OBD2 connectivity issues by checking the 2006 fuse for obd2 port, understanding your fuse box layout is key to efficient vehicle maintenance and repair. Always refer to your vehicle’s owner manual for the most accurate and up-to-date information and consult a qualified technician for complex electrical repairs.
