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Re: Drivers door won't unlock when closed
A couple of areas to consider:
- You may have an issue with the latch assembly, which has the lock mechanism in it, since you mention it doesn't feel normal
- You may have a wiring issue in the junction block in the door jamb. I have had to require a few Fords at this junction block due to broken wires. The wires can break inside the insulation, so they make contact in certain positions, but as they twist or move, the wires no longer make connection.
The easiest check may be to pull the door panel off, verify the condition still exists with the door panel removed, then install a test light on the door lock motor wires and check for voltage to the motor when the door unlock request is made. I suggest using a test light since they will draw more current than a high-impedance multimeter.
If you have voltage to the lock solenoid, the wiring is probably not the issue and you may want to focus on a mechanical binding issue with the latch mechanism.
-Rod
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