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1993 Ford Aerostar power door locks

Tiny
SANTO523
  • MEMBER
  • 1993 FORD AEROSTAR
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
My power door locks stopped working. The unlock button works but the lock button dosent work. What is wrong with the power door locks. Please help me!
Thursday, October 13th, 2011 AT 4:00 AM

20 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,170 POSTS
You need to check the master switch on the driver's door. Check to see if there is power out when you try to lock the doors. If there isn't replace the switch.
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Thursday, October 13th, 2011 AT 4:07 AM
Tiny
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Thank you ill try that tomorrow because it night time where I live. If there are anymore problems ill reply again. What if its not the switch, what else could it be
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Thursday, October 13th, 2011 AT 4:13 AM
Tiny
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It says that there isn't power so how do you replace the switch, it dosent want to come off
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Sunday, October 16th, 2011 AT 5:54 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,170 POSTS
If there is no power to the switch, the problem is before it. Check the wiring between the door and the door frame.
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Sunday, October 16th, 2011 AT 6:01 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,170 POSTS
Also, check fuses.
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Sunday, October 16th, 2011 AT 6:02 PM
Tiny
SANTO523
  • MEMBER
  • 33 POSTS
The fuse is alright. Would you recommend me taking the door panel off?
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Sunday, October 16th, 2011 AT 11:29 PM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
Look behind the inside door handle. There maybe a screw their. Their are to screws on each side of the pull handle. Basicly the switch has a 3 wire connecter the center wire is the power wire. As you toggle the switch the other 2 wires are for lock and unlock.
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Sunday, October 16th, 2011 AT 11:56 PM
Tiny
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Ok so I was going to check for the wiring and I checked again for power and it said there was power, but nothing happens when I push lock it only unlocks. So what do I do?
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Monday, October 17th, 2011 AT 12:31 AM
Tiny
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  • MECHANIC
  • 3,544 POSTS
The switch needs to be checked will it lock and unlock the left door from the passager lock switch?
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Monday, October 17th, 2011 AT 1:40 AM
Tiny
SANTO523
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  • 33 POSTS
No both of the switches do not lock all they do is UNlock thats all they do.
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Monday, October 17th, 2011 AT 1:46 AM
Tiny
SANTO523
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  • 33 POSTS
I think I found the relay. I found it because when I push the lock button it makes a small clicking noise when I push it. It was behind the passenger seat behind the panel where the seat belt is. Also I tried seeing if there was power and when the wire touch I here another clicking noise coming from where the heater and fan are. Now what. Please help!
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Monday, October 17th, 2011 AT 2:04 AM
Tiny
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It looks like this
Image (Click to make bigger)
Thumb
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Monday, October 17th, 2011 AT 2:09 AM
Tiny
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Check the power on the lock wire of both the switchs when pushing the switch to lock.
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Monday, October 17th, 2011 AT 2:22 AM
Tiny
CADIEMAN
  • MECHANIC
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The power goes through the switch. When u push it tranfers power check the lock and unlock wires show power when pushing the switch.
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Monday, October 17th, 2011 AT 3:19 PM
Tiny
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When I push the lock button it says that there is power going through. There is also power going through the unlock button but nothing happens because the relay thingy isnt hooked up to the wires. What do I do know
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Tuesday, October 18th, 2011 AT 3:31 AM
Tiny
CADIEMAN
  • MECHANIC
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The switch is good. Youll need to take the door panel off and check the voltage at the lock actuator when operationing the switch. The actuator maybe bad. If the switch is sending the lock and unlolck voltage its a open wire or a bad lock actuator.
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Tuesday, October 18th, 2011 AT 7:00 PM
Tiny
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So do I have to check the lock actuator and wiring on every door?
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Wednesday, October 19th, 2011 AT 11:22 PM
Tiny
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So if one lock actuator is bad it dosent let the other ones work right?
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Wednesday, October 19th, 2011 AT 11:36 PM
Tiny
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So how do you test the lock acuator?
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Thursday, October 20th, 2011 AT 12:38 AM
Tiny
SANTO523
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Please help!
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Thursday, October 20th, 2011 AT 11:12 PM

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