Lock/Unlock Button Doesn't Work On All Doors

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  #1  
Old 02-05-05, 08:37 AM
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Lock/Unlock Button Doesn't Work On All Doors

1999 Ford Windstar Cargo Van, 3.8, Auto
The lock/unlock armrest button (on driver or passenger side) works fine for the cabin doors and the hatch
These doors you can also use the key
The slider you can't open with a key
Of course, that's the one that doesn't work with the button
There is a "child proof" thing in there but it doesn't matter what that's set on
I'm getting tired of reaching my arm from the cabin through the gap in the cage to the cargo area to unlock this door
It's finally above freezing so I'm going to poke around a bit
Any tips or suggestions on what to look for or a fix maybe?
Thank you in advance
 
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Old 02-05-05, 12:03 PM
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On the front edge of each sliding door and the rear of each B pillar, there are four electrical contacts. It is quite common for these to corrode or become coated with guck. I would try cleaning these as a first step and see if that alleviates the concern.
 
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Old 02-05-05, 12:29 PM
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Thank you
I did clean these when I was fixing the "open door indicator light" that wouldn't shut off
They were very crudded up, I wiped 'em off, scrubbed them with some WD-40 and a toothbrush
The door side too
They are clean now but the contacts on the piller look really worn

Edit: I double checked them they are clean
They are worn to copper at the contact points but none are worn through or gone
 

Last edited by slickshift; 02-05-05 at 02:09 PM. Reason: double check
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Old 02-05-05, 02:26 PM
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You should be able to hear a noise from the inside of the door when you try to lock or unlock it with the switch. If you don't hear a noise, you're not getting voltage to the motor inside the door, or the motor is bad. Another possibilty is a broken clip that holds a rod from the motor to the door lock in place.

If you know which contacts are the ones that operate the door lock, you can try applying voltage directly to them. I don't know anything about your van, but there is probably one contact that locks the door and one that unlocks the door. Maybe one is ground. Depending on the contacts, you might be able use 4 jumper wires to connect all 4 contacts together between the door and pillar to figure out if its a contact connection problem.
 
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Old 02-05-05, 06:46 PM
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Heck I'll take the door panel off and jump inside and have someone push the button

I don't have 4 jumpers though
Hmmm...I can rig something up though

Thanks
 
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Old 02-06-05, 11:53 AM
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I took the door panel off
Once in there there was a pretty obvious motor with a rod that wasn't connected to anything, but near where the door's lock pull connects to the lock mechanism
The motor moved the rod when I had a helper activate the cabin lock/unlock button
A closer look at the lever and it was pretty obvious where the rod was supposed to go
I hooked it back up and it works like a charm
Thanks a bunch
 
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Old 07-05-08, 07:05 AM
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Angry Does Some have a photograph for the process

I am very new to fixing autos. And I have myself a 1999 ford windstar. On driver side when we click on Lock "L" it does not lock the door. We have to manually push the key to Lock or pull it manually to open.

Any photographs will be great as I want to open the door and see inside..
 
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