Usual Troubles Encountered with a Ford Windstar Headlight
The headlight assembly of your Ford Windstar is designed to meet the safety rules and regulations for vehicles. However, through time and constant use, it will eventually show signs of wearing down and may fail to meet the standards. Since it is your duty as the car owner to maintain the headlight assembly of your car, you should do some troubleshooting if you already notice that it is not working properly. Listed below are some usual problems you might encounter:
Headlights stay on even when the car is not running.
If the headlights of your car remain on even when the car is switched off, then it is very possible that a faulty headlight switch is the cause of the problem. However, if your vehicle has daytime running lights, then its module could be another possible culprit. Try to unplug the daytime running lights module of your car and see if the headlights turn-off. If the headlights remain on, then you already need to replace the faulty headlight switch.
The headlight switch needs to be put on highest setting to work.
It is dangerous to constantly drive with high-beam lights on because the glare could be really blinding to other vehicles on the road. You should immediately check the headlight and the daytime running light fuses because one of these could be the cause of the problem. Test each fuse using a Volt-Ohm meter or a test light. If there is power on both fuses, then the headlight switch is the only remaining possible cause you need yo diagnose.
Low-beam lights are not functioning.
To check the problem of your vehicle's low-beam lights, the first thing you need to do is to determine if the high-beam and low-beam lights share the same ground. You should get a copy of the wiring diagram of your vehicle's make and model to be sure. If they don't share the same ground, then you can look for new bulbs and see if they work. If they do, then you should determine the location of the fuse for the low beam lights. You should also check the module of the daytime running lights that's located at the front engine compartment. The problem may come from the module especially for Ford Windstar models that have automatic low beams.