Power Door Lock Question | Ford Explorer - Ford Ranger Forums - Serious Explorations

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Power Door Lock Question

FirstExplorer

Well-Known Member
Joined
May 14, 2010
Messages
109
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16
City, State
Flower Mound, Texas
Year, Model & Trim Level
1991 XLT 4WD
My power door lock switch on my '91 suddenly developed a problem.
The driver side switch will lock all doors, but when pressed to unlock, there is no actuation. The passenger door lock switch does the same thing. It locks the door but the unlock makes no actuator sound. Why would both unlock circuits fail in both doors at the same time? What part do I need or fixit solution is there for this problem.
Thanks
 
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trashtruck

Well-Known Member
Joined
December 31, 2015
Messages
239
Reaction score
16
City, State
capital district, ny
Year, Model & Trim Level
1992 explorer xlt 4x4
passenger side switch feeds off drivers side. on drivers switch bk/w is power, bk is ground, pk/lg is lock, pk/y is unlock
 
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FirstExplorer

Well-Known Member
Joined
May 14, 2010
Messages
109
Reaction score
16
City, State
Flower Mound, Texas
Year, Model & Trim Level
1991 XLT 4WD
passenger side switch feeds off drivers side. on drivers switch bk/w is power, bk is ground, pk/lg is lock, pk/y is unlock
If I replace the driver side switch, you think that will fix it?
 
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trashtruck

Well-Known Member
Joined
December 31, 2015
Messages
239
Reaction score
16
City, State
capital district, ny
Year, Model & Trim Level
1992 explorer xlt 4x4
before replacing the switch, test for battery voltage on bk/w wire. if no voltage check bk ground wire. if present test for voltage on pk/y wire. if not present switch replacement may be required. if present investigate switch motor. it probably is just a bad switch.
 
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