Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Ford Expedition 4WDFACTORY OEM SERVICE PROCEDURE
Circuit Protection Devices
CIRCUIT PROTECTION DEVICES LOCATION
| Component | Location |
|---|---|
| A/C Clutch Diode | In battery junction box (BJB). See Figure. |
| A/C Clutch Diode | In battery junction box (BJB). See Figure. |
| Auxiliary Relay Box 1 | Under left side of dash. See Figure. |
| Auxiliary Relay Box 2 (Expedition) | Right rear corner of vehicle. See Figure. |
| Auxiliary Relay Box 2 (Expedition-EL & Navigator-L) | Right rear corner of vehicle. See Figure. |
| Auxiliary Relay Box 2 (Navigator) | Right rear corner of vehicle. See Figure. |
| Battery Junction Box (BJB) (Expedition) | Center front of engine compartment. See Figure. |
| Battery Junction Box (BJB) (Navigator) | Center front of engine compartment. See Figure. |
| Fuel Pump Motor Diode | In battery junction box (BJB). See Figure. |
| Fuel Pump Motor Diode | In battery junction box (BJB). See Figure. |
| Fusible Link A (Expedition) | Near battery. See Figure. |
| Fusible Link A (Navigator) | Near battery. See Figure. |
| Fusible Link B (Expedition) | Near battery. See Figure. |
| Fusible Link B (Navigator) | Near battery. See Figure. |
| Fusible Link C (Expedition) | Near battery. See Figure. |
| Fusible Link C (Navigator) | Near battery. See Figure. |
| Fusible Link D (Expedition) | Near battery. See Figure. |
| Fusible Link D (Navigator) | Near battery. See Figure. |
| Smart Junction Box (SJB) (Expedition) | Behind right kick panel. See Figure. |
| Smart Junction Box (SJB) (Navigator) | Behind right kick panel. See Figure. |
| Start/Run Diode | In battery junction box (BJB). See Figure. |
| Start/Run Diode | In battery junction box (BJB). See Figure. |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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