Your Ford Expedition’s Side Mirror Lights Won’t Turn Off? Here’s Why!

Do your Ford Expedition’s side mirror lights stay on even when you turn off the car You’re not alone. This is a common problem, and it can be both frustrating and inconvenient. But don’t worry, there’s a simple fix.

In this guide, I’ll walk you through the steps to troubleshoot the issue and get your side mirror lights working properly again. So, whether you’re a DIYer or you’re just looking for some help, read on for all the info you need.

Reasons Why Ford Expedition Side Mirror Lights Won’T Turn Off

Here are the reasons:

Bad Side Mirror Light Switch

The side mirror light switch is a small, often overlooked part of your vehicle, but it’s essential for turning on and off your side mirror lights. If the switch is faulty, it can cause the lights to stay on even when you’ve turned them off.

To test the side mirror light switch, you can use a multimeter to check for continuity. If there is no continuity, the switch is bad and needs to be replaced.

Faulty Side Mirror Light Wiring

The side mirror light wiring can also cause the lights to stay on. If the wiring is damaged or corroded, it can cause a short circuit that keeps the lights on.

To test the side mirror light wiring, you can use a multimeter to check for voltage. If there is voltage present at the lights when they are turned off, the wiring is bad and needs to be repaired or replaced.

Bad Side Mirror Light Bulb

A bad side mirror light bulb can also cause the lights to stay on. If the bulb is burned out, it will not turn off when you turn off the switch.

To test the side mirror light bulb, you can simply remove it and replace it with a new one. If the new bulb works, the old bulb was bad and needed to be replaced.

How to Troubleshoot: Ford Expedition Side Mirror Lights Won’t Turn Off

What to Do If Your Ford Expedition Side Mirror Lights Won’t Turn Off

If your Ford Expedition side mirror lights won’t turn off, there are a few things you can check to troubleshoot the problem.

Check the dimmer switch:
The dimmer switch is located on the left side of the steering column. Make sure it is turned all the way up.

Check the mirror switch:
The mirror switch is located on the right side of the steering wheel. Make sure it is turned to the off position.

Check the fuses:
There are two fuses that may be responsible for the side mirror lights: the interior lights fuse and the door lights fuse. Check the owner’s manual for the location of these fuses. If either fuse is blown, replace it with a new fuse of the same amperage.

Check the wiring:
The wiring for the side mirror lights can be damaged if the vehicle is involved in a collision. Inspect the wiring for damage and repair or replace it as needed.

Take your Ford Expedition to a qualified repair shop:
If you have checked all of the above and the side mirror lights still won’t turn off, it is time to take your vehicle to a qualified repair shop. A mechanic can diagnose the problem and make the necessary repairs.

Preventing Side Mirror Light Problems

You can help prevent side mirror light problems by following these tips:

Don’t leave your side mirror lights on when you’re not in the car:
This will help to prevent the battery from draining.

Inspect the wiring for damage regularly:
If you see any damage, have it repaired or replaced as soon as possible.

Take your Ford Expedition to a qualified repair shop for regular maintenance:
This will help to identify and fix any potential problems before they become serious.

By following these tips, you can help to keep your Ford Expedition’s side mirror lights working properly.

Also Read: Ford Expedition Sync Not Working

FAQs: Ford Expedition Side Mirror Lights Won’t Turn Off

Why won’t my Ford Expedition side mirror lights turn off?

There are a few possible reasons why your Ford Expedition side mirror lights might not be turning off. Here are some of the most common causes:

A faulty switch: The switch that controls the side mirror lights may be faulty, causing them to stay on even when you turn off the car.

A loose wire: A loose wire in the wiring harness for the side mirror lights could also be causing them to stay on.

A bad ground: A bad ground connection could prevent the side mirror lights from turning off properly.

A software problem: A software problem with the car’s computer could also be causing the side mirror lights to stay on.

How do I fix my Ford Expedition side mirror lights?

To fix your Ford Expedition side mirror lights, you will need to identify the cause of the problem. Once you have identified the cause, you can follow the steps below to fix it:

Faulty switch: If the switch is faulty, you will need to replace it.

Loose wire: If a wire is loose, you will need to tighten it.

Bad ground: If the ground connection is bad, you will need to clean it or replace it.

Software problem: If the problem is caused by a software problem, you will need to have the car’s computer reprogrammed.

How can I prevent my Ford Expedition side mirror lights from turning off?

There are a few things you can do to prevent your Ford Expedition side mirror lights from turning off:

Turn off the lights manually: When you get out of your car, make sure to turn off the side mirror lights manually.

Check the switch regularly: Check the switch that controls the side mirror lights regularly to make sure it is working properly.

Inspect the wiring harness: Inspect the wiring harness for the side mirror lights regularly to make sure there are no loose wires.

Clean the ground connection: Clean the ground connection for the side mirror lights regularly to make sure it is not corroded.

What are the risks of driving with my Ford Expedition side mirror lights on?

There are a few risks associated with driving with your Ford Expedition side mirror lights on. Here are some of the most common risks:

Distracting other drivers: Your side mirror lights could distract other drivers, making it more difficult for them to see the road.

Causing an accident: Your side mirror lights could blind other drivers, causing them to swerve or brake suddenly, which could lead to an accident.

Getting a ticket: You could get a ticket if you are caught driving with your side mirror lights on.

How much does it cost to fix Ford Expedition side mirror lights?

The cost of fixing Ford Expedition side mirror lights can vary depending on the cause of the problem. Here are some of the most common costs:

Faulty switch: Replacing a faulty switch can cost between $20 and $50.

Loose wire: Repairing a loose wire can cost between $10 and $20.

Bad ground: Cleaning or replacing a bad ground can cost between $10 and $20.

Software problem: Reprogramming a car’s computer can cost between $100 and $200.