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Why would headlights stay on a 2003 windstar?

1. Faulty Headlight Switch:

- Check if the headlight switch is turned off even though the headlights remain lit.

- If the switch doesn't turn off the lights, it may be defective and need replacement.

2. Faulty or Dirty Headlight Relay:

- Locate the headlight relay in your vehicle's fuse box.

- Inspect it for any signs of damage or contamination.

- Clean or replace the relay if necessary.

3. Auto Headlights Sensor Issue:

- Some Windstar models have light sensors.

- Ensure the sensor located on the dashboard or windshield isn't blocked by dirt or debris, potentially causing the lights to stay on.

4. Faulty Body Control Module (BCM):

- The BCM manages lighting functions.

- A malfunction in the BCM could lead to the headlights remaining on.

5. Malfunctioning Daytime Running Lights Module:

- Windstars have daytime running lights that activate automatically.

- A fault in the daytime running light module could cause regular headlights to stay on.

6. Wiring Issue:

- Inspect the wiring related to the headlights for any damage, shorts, or loose connections.

- Frayed or exposed wires could cause the headlights to stay on.

7. Computer Software Glitch:

- On rare occasions, a software glitch can cause electrical malfunctions.

- Disconnecting the vehicle's battery for a few minutes can sometimes reset the system and fix the issue.

If you are unable to identify or fix the problem, it's recommended to take your vehicle to a qualified mechanic or auto electrician who specializes in electrical issues of cars. They can properly diagnose and resolve the problem.