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Electronic Windows And Doorlock Problems

Tiny
DEATHLOCKE
  • MEMBER
  • 1996 MERCURY SABLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 200,000 MILES
I own a 1996 Mercury Sable this morning the Electric Windows and Door locks quit working. I started the car this morning and rolled down the windows. My daughter drove the car to town and when she got home she turned the car off. I took the keys and turned the ignition on and rolled the Windows up then I turned the Ignition off and when I tried to lock the doors the Electric locks didn't work. When you hold down the lock or unlock switch the there is a wierd squealing sound coming from a set of 2 relays inside a little box under the Dash labeled Relay 1 and Relay 2 I did check the fuses and they are NOT blown something is making the relays squeal. I then decided to try the Electric Windows and now they are not working now either. Can anyone help me out here? Does any of this make sense? It seems like a fuse but it isn't. Does anyone know what I mean when I say that there are 2 Relays in a seperate Junction box all by themselves with a cover that is labeled Relay 1 and Relay 2. If so why do they seem to squeal when you hold down the Lock or Unlock Switch. Could it be the Ignition switch itself? Does anyone have any idea what is going on here both the Electric Locks and Electric Windows quit working at the same time. Both worked just fine not 2 minutes before I tried to use them.





Country: United States
Make: Mercury
Model: Sable
Year: 1996
Engine: 3.0 Liter V6

Already Tried:
I checked the Fuses that were listed in the Owners manual. I also noticed that when you hold down the Switch either in the Lock or Unlock mode there is a Squealing sound that comes from a little Box with 2 Relays inside with the cover Labeled Relay1 and Relay2. If you physically touch the relays you can feel the squeal coming from them. I tried pulling both relays and swapping them one for the other and they still make the squealing sound

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Thursday, May 5th, 2011 AT 7:59 PM

7 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
There is a ground wire in the kick panel that may be loose, try tightening that if it's loose or corroded. Also there is afuse for the door locksin the underhood electrical centerby the radiator. On both of these it can be either a broken wire or abad module as both have modules to operate them. You could put a test light by the module and probe the pink/whtwire coming fromt he module when you hit the switch. That is on the left side of i/p. For the windows it can be a similar problem, broken wire orthere is arelay by the module that is a one touch relay, that can be bad as well. There also is a fuse underhood. Your master switch in the drivers door can also be not working correctly. Try slamming the door to see if that does anything. If it does then it's ahint your motor or wires may be going bad.
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Thursday, May 5th, 2011 AT 8:37 PM
Tiny
DEATHLOCKE
  • MEMBER
  • 4 POSTS
Is there any way to check the Modules with an Ohm meter. Also I have already checked all the fuses before I even sent the question that includes the ones under the hood. I also tried slamming the doors and I even rapped on the door handle right beside the Main switch on the drivers side and nothing changed.
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Thursday, May 5th, 2011 AT 10:56 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
There is no way to check the modules other than to see if power is going out and in.
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Thursday, May 5th, 2011 AT 11:22 PM
Tiny
DEATHLOCKE
  • MEMBER
  • 4 POSTS
Well I pulled A Known Good GEM Module and all the Fuses and Relays and I put them into my car today and I am still having the same issue. So it isn't the GEM Module or any of the Relays or fuses so What does that leave? My brother says that a single Bad Window motor could cause the same problem is this true? Could a single Burned out Window Motor cause All the Windows and Door Locks to just stop working? Iam not sure what to even try next Can you think of something else I can try? I appreciate all your time and effort in this matter.
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Tuesday, May 10th, 2011 AT 9:44 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
You really need a test light to see if power is going through the master switch and that the window lock is not on. Then you need to test whether the window motors are getting power. Which in this case all of them not getting power is kind of out of the question. You may be having a ground issue as well notgoing to the switch to complete the circuit.I'm including a schematic that shows 3relays. Hopefully you checked them all.
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Tuesday, May 10th, 2011 AT 10:35 PM
Tiny
DEATHLOCKE
  • MEMBER
  • 4 POSTS
Well now the Blower for the Vent seems to be acting funny is it possible taht the Ignition Switch could be the Culprit causing the Electronic Lockes Electronic Windows and the Blower Problem. I drove my car into town this afternoone and it was hotter than Hell since I could not roll the windows down. The Vent blowing some cooling air on me was the only thing that kept me from sweating to death. I got into town and shut my car off went into the store came back out and the Blower would not work. I drove towards home 10 miles without any air from the Vent I stopped at a Gas station 6 miles from my home just to get out and cool off a bit befroe I tried driving the rest of the way home. I left the doors open for a bit to cool off the inside of the car. When I got in the car I put the keys in the Ignition and I started the car at the same time that I slammed the door shut, and the Vent Blower started working again. So Im not sure if it was the Ignition or the Wires that go between the Door and the car. Now Since Im having Issues with the Electric Locks and Windows and now the Vent Blower What could be causing this? Can the Ignition do all of this even the Door Locks since you don't need the Ignition to use the Locks or can it be the Wires in th door, but Why would the wires in the Door have anything to do With the Blower. Does anyone have any Ideas Please I need help I have to Drive over 400 miles coming the end of May and without being able to roll down the windows, and having a Blower that could quit any time I don't think I can make the trip. Any Ideas wil be Greatly and I mean Greatly Appreciated.
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Thursday, May 12th, 2011 AT 9:03 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
This has to be a bad connection or a loose ground for the blower or a bad relay. If the window came down then it's either the motor is frozen or the wires in the door which I told you to check to see ifthe motor was getting power previouslythen that would show the problem. It could be your switch as well as I think some of the ford products form your year had a recall for the ignition switch. Check with your dealer on that. It kind of sounds as if you aren't checking any of the things that i've previously covered other than fuses and relay. Good luck.
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Thursday, May 12th, 2011 AT 11:15 PM

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