I have been plagued for several years with the intermittent door ajar issue, but finally reached a new low when the signal stayed on, along my lights and that damn audible alarm that pierces your brain in a short period of time. I decided to look on the internet for some wiring assistance, to help track down the problem, and found many helpful hints at Autobeef. What I ultimately found was a defective switch on the drivers side, and disconnected it from the system. No more problem for now, until the passenger door switch goes bad for good as well. Here is a brief description on how to tackle this repair. Remove the plastic piece that is located upper right on the drivers side and upper left on the passenger side, by prying it with a flatblade screwdriver. Minimal force is needed to get this to pop out. Next remove the plastic assembly that holds the window and door lock controls, by prying on the side toward the door hinge. Remove the phillips head screw located near the door latch and the one located on the lower corner away from the hinge. Lift the entire door interior piece upward, until it is free from the door frame, and feed the plastic switch assembly down through the gap where the wires run come out of the frame area. Set the door interior piece of to the side, being careful not to break the fragile plastic mounting pieces in the process. The offending door switch is located on the door locking mechanism, outside center on the door, and can be reached by pealing away the black barrier from the door frame, and reaching inside following the wire harness to the connector. The door sensor switch connector requires you to squeeze a release point on one side before you can disconnect it. Once removed, the sensor is out of the circuit, and the alarm and lights should shut off. If they do not, then you may need to do the same thing on the other door. Keep in mind while you are troubleshooting this problem that there are several places to have the same net effect of the alarm on and the lights staying on all of the time, so it may take you a while to isolate the root cause. Hopefully this will help shorten up your troubleshooting time, and avoid further damage to the door parts. As a side note, I found the window guides for both doors resting comfortably in the bottom of each door, instead of their position coming out of the factory. I will never by another Ford van again in my life, and will most likely shy away from Fords altogether in the future. They just don't build a quality vehicle anymore.

I can't believe Ford says this is rare...I guess they haven't read all the complaints. The ding ding ding is driving me mad! All the doors are shut tightly yet the horrid thing just keeps going off. I tried the WD4D and it works sometimes, the other times I don't bother going where I need to go. I refuse to pay Ford another penny to fix it. I will instead sell the car and let the buyer know what he or she will encounter and purchase another car not made by Ford. Ford should be ashamed, this is my first and ONLY Ford vehicle.