1997 Ford Expedition door lock on driver side will not lock all doors.

1997 FORD EXPEDITION
270,000 MILES
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ROYCAR71
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My Ford Expedition driver side door button for all doorswill not lock doors. I have to reach over to passenger side to lock doors. I can press the other individual button on driver side that will lock just driver door. What could be wrong. Thanks.
Sep 10, 2011 at 7:15 AM
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KVN4
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sounds like the master switch is bad
Sep 10, 2011 at 10:22 AM
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ROYCAR71
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What is good place to buy another?
Sep 10, 2011 at 3:39 PM
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KVN4
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google master window switch for you truck and go through different sites for prices , i do for all parts that i need
Sep 10, 2011 at 5:46 PM
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JACOBANDNICKOLAS
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Chances are the switch is bad, as was mentioned. However, they are not cheap. I recommend removing the switch and checking it before replacing it. Most parts stores will stock the switch too. If they don't, they can usually get them within a day.
Sep 10, 2011 at 6:48 PM
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ROYCAR71
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I took advice. I went to ebay, checked u pull yard, and online sites. All of them was too expensive with the exception of ebay to replace just door lock switch which is giving me trouble. So before a made my purchase I took "Jacobandnickolas" advice and took master switch apart. I clean out dust and used some electronic cleaning stray. So far so good, I got working. Maybe is just a short in wire or just needed some TLC. Thanks All.
Sep 10, 2011 at 8:36 PM
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JACOBANDNICKOLAS
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Great!!! I'm glad that helped. If it gives you trouble again, check wiring to it to make sure there are no problems. They are expensive just to replace for no reason. Good Job!
Sep 11, 2011 at 4:58 AM