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.
2005 Ford Excursion 5.4 L, RWDFACTORY OEM SERVICE PROCEDURE
Circuit Protection Devices
CIRCUIT PROTECTION DEVICES LOCATION
| Component | Location |
|---|---|
| Auxiliary Relay Box 1 | Behind center of dash. See Figure. |
| Auxiliary Relay Box 2 | At left rear side of engine compartment. See Figure. |
| Auxiliary Relay Box 3 (Diesel) | Left side of engine compartment. See Figure. |
| Auxiliary Relay Box 3 (Gasoline) | At left rear of engine compartment. See Figure. |
| Auxiliary Relay Box 4 | At left rear side of engine compartment. See Figure. |
| Auxiliary Relay Box 5 | At left rear side of engine compartment. See Figure. |
| Central Junction Box (CJB) | Behind lower left side of dash. See Figure. |
| Fusible Link A | At left rear side of engine compartment. |
| Fusible Link B | At left rear side of engine compartment. |
| Fusible Link C | At rear of engine compartment. |
| Fusible Link D | At right side of engine compartment. |
| Fusible Link E | At right side of engine compartment. |
| Fusible Link F | At top of engine. |
| Fusible Link G | At top of engine. |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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