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Repair guides and support for the Expedition, a full-size SUV based on Ford's F-150 pickup truck. Closely related to the Lincoln Navigator.

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Power locks just quit working

Power locks just quit working all together. Checked fuses, replaced door button, and replaced power lock/anti theft actuator and still nothing

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These are all controlled via the Body Control Module. This type of vehicle has some of this operation built into the engine computer too. The relays carbon-up &/or go dry-jointed inside of the BCM's. They need a re-work and relay contacts all need cleaning, which you can do yourself by pinching a non-glossy business card between the relay contacts and sliding it out until the black carbon trace disappears. De-solder, clean, flux, re-solder dry joints on relays and connectors. I've personally done hundreds over many years.

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Josh wird auf ewig dankbar sein.
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