1999 Ford Expedition Rear Wiper Not Working [Fix It For Good]

Your 1999 Ford Expedition’s rear wiper is an important safety feature that helps to keep your rear window clear of water, snow, and debris. When the rear wiper stops working, it can be a major inconvenience. You may have trouble seeing behind you when backing up, and your vehicle may be less safe on the road.

In this guide, we will walk you through the steps to troubleshoot a 1999 Ford Expedition rear wiper that is not working. We will provide you with the information you need to identify the cause of the problem and fix it yourself.

Why 1999 Ford Expedition Rear Wiper Not Working

Wiring

The rear wiper motor is wired to the body control module (BCM). If the wiring between the BCM and the motor is damaged, the motor will not work.

Rear Wiper Motor

The rear wiper motor may be faulty. To test the motor, you can connect it to a power supply and see if it runs.

Rear Wiper Switch

The rear wiper switch may be faulty. To test the switch, you can use a multimeter to check for continuity between the switch terminals.

Rear Wiper Fuse

The rear wiper fuse may be blown. To check the fuse, you can use a multimeter to check for continuity across the fuse.

How to Troubleshoot: 1999 Ford Expedition Rear Wiper Not Working

Symptoms

There are a few different symptoms that you may experience if your 1999 Ford Expedition rear wiper is not working. These include:

The rear wiper does not turn on when you activate it.
The rear wiper does not move when it is turned on.
The rear wiper makes a noise but does not move.
The rear wiper moves at a slower speed than normal.
The rear wiper does not park in the correct position when you turn it off.

Causes

There are a number of different things that could cause your 1999 Ford Expedition rear wiper to stop working. These include:

A faulty rear wiper motor.
A faulty rear wiper switch.
A faulty rear wiper fuse.
A broken rear wiper blade.
A clogged rear wiper fluid reservoir.
A faulty rear wiper fluid pump.

Diagnosis

To diagnose the problem with your 1999 Ford Expedition rear wiper, you will need to:

1. Inspect the rear wiper motor. Check to see if the motor is turning when you activate the rear wiper. If the motor is not turning, it is likely faulty and will need to be replaced.
2. Inspect the rear wiper switch. Check to see if the switch is working properly. If the switch is not working properly, it will need to be replaced.
3. Inspect the rear wiper fuse. Check to see if the fuse is blown. If the fuse is blown, it will need to be replaced.
4. Inspect the rear wiper blade. Check to see if the blade is damaged or worn out. If the blade is damaged or worn out, it will need to be replaced.
5. Inspect the rear wiper fluid reservoir. Check to see if the reservoir is full of fluid. If the reservoir is empty, it will need to be filled with fluid.
6. Inspect the rear wiper fluid pump. Check to see if the pump is working properly. If the pump is not working properly, it will need to be replaced.

Troubleshooting

Once you have diagnosed the problem with your 1999 Ford Expedition rear wiper, you can troubleshoot the problem and fix it.

If the rear wiper motor is faulty, you will need to replace it.
If the rear wiper switch is faulty, you will need to replace it.
If the rear wiper fuse is blown, you will need to replace it.
If the rear wiper blade is damaged or worn out, you will need to replace it.
If the rear wiper fluid reservoir is empty, you will need to fill it with fluid.
If the rear wiper fluid pump is not working properly, you will need to replace it.

Prevention

To prevent your 1999 Ford Expedition rear wiper from malfunctioning, you can:

Keep the rear wiper blades clean and in good condition.
Inspect the rear wiper fluid reservoir regularly and make sure it is full of fluid.
Inspect the rear wiper motor and switch regularly and make sure they are working properly.

By following these tips, you can help to keep your 1999 Ford Expedition rear wiper working properly.

Also Read: 1999 Ford Expedition Won’T Start

FAQs: 1999 Ford Expedition Rear Wiper Not Working

Why is my 1999 Ford Expedition rear wiper not working?

There are a few possible reasons why your 1999 Ford Expedition rear wiper may not be working.

The wiper motor may be faulty: The wiper motor is responsible for turning the wiper blades back and forth. If the motor is faulty, it will not be able to turn the blades and the wipers will not work.

The wiper switch may be faulty: The wiper switch is responsible for sending power to the wiper motor. If the switch is faulty, it will not be able to send power to the motor and the wipers will not work.

The wiper linkage may be damaged: The wiper linkage is the part that connects the wiper motor to the wiper blades. If the linkage is damaged, it will not be able to move the blades and the wipers will not work.

The wiper fluid reservoir may be empty: The wiper fluid reservoir is responsible for providing fluid to the wiper blades. If the reservoir is empty, the blades will not be able to wipe away the water and the wipers will not work.

The wiper blades may be worn out: The wiper blades are responsible for wiping away the water from the windshield. If the blades are worn out, they will not be able to effectively remove the water and the wipers will not work as well.

How do I fix my 1999 Ford Expedition rear wiper?

To fix your 1999 Ford Expedition rear wiper, you will need to identify the cause of the problem and then take the appropriate steps to fix it.

If the wiper motor is faulty, you will need to replace it: To do this, you will need to remove the old motor and install a new one.

If the wiper switch is faulty, you will need to replace it: To do this, you will need to remove the old switch and install a new one.

If the wiper linkage is damaged, you will need to repair or replace it: To do this, you will need to remove the old linkage and install a new one.

If the wiper fluid reservoir is empty, you will need to fill it up: To do this, you will need to remove the cap from the reservoir and add fluid until the reservoir is full.

If the wiper blades are worn out, you will need to replace them: To do this, you will need to remove the old blades and install new ones.

How can I prevent my 1999 Ford Expedition rear wiper from breaking down?

There are a few things you can do to prevent your 1999 Ford Expedition rear wiper from breaking down.

Keep the wiper blades clean: Wipers that are dirty or clogged with debris will not work as effectively and are more likely to break down. To keep the wiper blades clean, you should wash them regularly with soap and water.

Replace the wiper blades when they are worn out: Worn out wiper blades will not be able to effectively remove water from the windshield and are more likely to break down. To prevent this, you should replace the wiper blades every year or two.

Use the wipers only when necessary: Wipers should only be used when it is raining or snowing. Using the wipers when it is not raining or snowing can wear them out prematurely.

Avoid using the wipers on a dry windshield: Using the wipers on a dry windshield can damage the blades and the windshield.

What are the symptoms of a faulty 1999 Ford Expedition rear wiper?

The symptoms of a faulty 1999 Ford Expedition rear wiper may include:

The wipers do not work at all.
The wipers only work intermittently.
The wipers make a grinding or squealing noise.
The wipers leave streaks on the windshield.
The wipers do not move back and forth smoothly.

What are the dangers of driving with a faulty 1999 Ford Expedition rear wiper?

Driving with a faulty 1999 Ford Expedition rear wiper can be dangerous because it can impair your visibility and make it difficult to see the road behind you. This can increase your risk of accidents.