1992 Crown Victoria Wiper Motor: A Complete Guide

Serial Number:

The serial number of a 1992 Crown Victoria wiper motor can be found stamped on the motor housing. It typically consists of a combination of letters and numbers, such as "X0123456789."

Function:

The wiper motor is responsible for powering the windshield wipers on a 1992 Crown Victoria. It is typically located under the dashboard on the driver's side of the vehicle. The motor is connected to the wiper linkage, which transmits the power from the motor to the wiper blades.

Types of Wiper Motors:

There are two main types of wiper motors used in 1992 Crown Victorias:

Intermittent Wiper Motor: This type of motor allows the driver to select different intermittent wiping speeds.

Variable Speed Wiper Motor: This type of motor provides a wider range of wiping speeds, allowing the driver to adjust the speed to their preference.

Operation:

The wiper motor is activated when the driver turns on the wiper switch. The switch sends a signal to the wiper motor, which then begins to turn. The motor's speed is controlled by a wiper speed control module, which is located under the dashboard.

Symptoms of a Faulty Wiper Motor:

Some common symptoms of a faulty wiper motor include:

Wiper blades not moving

Wiper blades moving slowly or erratically

Wiper blades not returning to their home position

Noise coming from the wiper motor

Diagnosis:

To diagnose a faulty wiper motor, the following steps can be taken:

1. Check the Wiper Switch: Make sure that the wiper switch is turned on.

2. Check the Wiper Fuse: Locate the wiper fuse in the fuse box and check if it is blown.

3. Check the Wiper Wiring: Inspect the wiring harness that connects the wiper motor to the wiper switch and speed control module.

4. Test the Wiper Motor: Disconnect the wiper motor from the wiper linkage and apply 12 volts directly to the motor. If the motor does not turn, it is likely faulty.

Replacement:

If the wiper motor is faulty, it will need to be replaced. To replace the wiper motor, the following steps can be taken:

1. Disconnect the Battery: Disconnect the negative terminal of the battery to prevent any electrical damage.

2. Remove the Cowl Panel: Remove the cowl panel that covers the base of the windshield.

3. Disconnect the Wiper Motor: Disconnect the electrical connector and the wiper linkage from the wiper motor.

4. Remove the Wiper Motor: Remove the bolts that hold the wiper motor in place and remove the motor from the vehicle.

5. Install the New Wiper Motor: Install the new wiper motor in place of the old one.

6. Reconnect the Wiper Motor: Connect the electrical connector and the wiper linkage to the new wiper motor.

7. Install the Cowl Panel: Reinstall the cowl panel and tighten the bolts.

8. Reconnect the Battery: Reconnect the negative terminal of the battery.

Maintenance:

To maintain the wiper motor and ensure its proper operation, the following steps can be taken:

Keep the Windshield Clean: Regularly clean the windshield to prevent dirt and debris from clogging the wiper motor and linkage.

Lubricate the Wiper Linkage: Apply a few drops of lubricant to the wiper linkage to keep it moving smoothly.

Replace the Wiper Blades: Change the wiper blades every 6-12 months to ensure optimal performance.

Inspect the Wiper Motor: Periodically inspect the wiper motor for any signs of damage or wear.

By following these tips, you can help ensure that your 1992 Crown Victoria's wiper motor operates properly and provides you with clear visibility during inclement weather.