Question about 2003 Ford Windstar
Battery keeps dying if you take the key out when exiting. The interior lights stay on until the car is started again, battery dies, or key is put back into ignition. If the key is left in after turning it off, the lights will come on when a door is open but go off after a few seconds as normal.
There is a dimmer switch to dim the dash lights. when you turn it all the way over it turns the interior lights on it is the same switch as your headlights.
Posted on Nov 26, 2013
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Posted on Jan 02, 2017
This is a very common problem with Fords. I have one that was doing this as well. What works for most people is pretty much what you have tried - spraying inside the latch all over with WD40 Until it's coming out the bottom of the door. If this fails to work, the switch probably needs replaced. The switch is located inside the door near the latch. It should be pretty easy to find once you have the door panel off. Look for the wires leading to it. A new switch is usually very inexpensive, but may have to be purchased through your local Ford dealer. If you're not comfortable taking the door panel off, a mechanic should be able to do this repair for you in less than an hour of shop time.
Posted on Jun 05, 2009
Check your battery terminals make sure they are clean and corrosion free.
Also check all ...A-L-L courtesy lights in your car. there are some ceiling mounted lights that are passenger operated and may be on... Also check your glove compartment and consoles for lights.
Also check for charger cords... These have indicator lights and sometimes can drain the batt as well.
Also, under the hood, is a gravity activated lamp . Open the hood and make sure that it's going off and staying off as the hood closes...
Let me know if you find anything...
Posted on Jul 28, 2009
The interior lights in your Windstar are controlled by the GEM (Generic Electronic Module). AKA "Body Computer"
The switches for the courtessy lamps are located in the door latch mechanism in the door panel. They fail often. I have changed hundreds of them (On several different Ford models) for this same problem. They are relatively easy to replace once you have the door panel removed. They simply "twist" into place in the door latch assembly and have a 2 pin connector. They are also very inexpensive - about $15 to $20 a copy, depending on where you get them from.
The GEM also controls the "Battery Saver Relay" which is supposed to de-energize andshut off the lights after a specified amount of time to keep your battery from running down in the event that the lights are left on for some reason. If they are NEVER turning off, there may be a problem with the GEM or the Battery-Saver Relay could have stuck contacts.
It would be best to scan the GEM for fault codes.
As for the key being removable with the lock cylinder in any position, this could be caused by a worn lock cylinder or a worn-out key. I would try a different key before condemning the lock cylinder. Your best bet is to have a new key cut at the dealer using the VIN. That way, you will have a "known good" key to test the lock cylinder with. (Simply copying a worn-out key at the local hardware store will only produce a worn-out copy.)
Posted on Oct 18, 2009
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