Trailer Brakes Not Working But Lights Are – 3 Fixes

trailer brakes not working but lights are
trailer brakes not working but lights are

Camping enthusiasts own large vehicles like motorhomes and RVs. This is because these come with numerous features that are made to ensure campers have a fun time. These include having lots of rooms that are all furnished. You can rest in them when traveling or even use the compartments provided to store all of your luggage.

One of the best things about these vehicles is that you can even use electrical appliances. Though, you have to keep in mind that the power provided can easily run out if you don’t lookout for it. Talking about this, there are other problems that you can run into as well. One common issue that people report is that their trailer brakes are not working but the lights are. This is why we will be using this article to provide you with some common steps that can be used to fix this.

Trailer Brakes Not Working But Lights Are

1. Clean the Connectors

Driving around with a trailer can be amazing as these vehicles come with all the features provided in motorhomes. Although, one of the main problems that people have is handling their trailers. This is why electronic brakes are used that will automatically stop the trailer as soon as you push brakes on your vehicle.

Considering this, if these stops working then you have to fix the problem as soon as possible. The main reason behind this issue can be that your connector is broken. But if your lights are working then the problem might be from a clog instead.

This is why you will have to disconnect your cable from the connector and start cleaning it. Make sure that the pins on your connector are not damaged. If you notice that some of these are bent then slightly push them to bring them back in the correct spot. Sometimes these can break, if this happens then you will have to replace the connector.

2. Test Trailer Brakes

If your issue is still there, even after cleaning the connectors. Then there are several reasons why this can happen. Considering this, one of the best tests to identify the issue is by checking your trailer brakes. You will have to plug them in using an alternate power source.

Considering this, use a spare battery and connect the trailer brakes to its terminals. Make sure that you match the negative and positive terminals correctly. Now test your brakes to confirm if they are working or not. If they are still getting the same issue then you will have to get them replaced.

3. Faulty Brake Controller

Sometimes the problem you are getting can also be from the brake controller itself. Testing this on your own can be difficult as there are lots of parts used in this device. This is why you should contact the support team for your brake controller.

They should look into the issue and provide you with a solution that can be used. If the device is faulty then you should be provided with a replacement. People who still have a warranty should get the new device for free.


Leave a Comment