trailer lights not working
Nov - - Semi Trucks Truck Driver Tips

Trailer lights not working -Why Are They not functioning?

Trailer lights are essential, but they can also be one of the most frustrating things when they stop working. Trailer lights not working is a common problem for many trailer owners. 

There are several possible reasons why your trailer lights may not be functioning correctly. The most common cause is a blown fuse. Another possibility is a loose connection between the trailer and the tow vehicle. If the lights are not working, it is essential to troubleshoot the issue so that you can get your trailer back on the road safely.

What do You Need to Check if Your Trailer Lights Are Not Working

One of the first things you should check is the fuse. Most trailers have a separate fuse for the left and right turn signals, brake lights, and running lights. If one of these fuses has blown, it will need to be replaced before the trailer lights will work again. You can usually find the fuse box under the hood of your vehicle or trailer.

If the trailer lights are still not working after replacing the fuse, the next step is to check the connection between the trailer and the tow vehicle. The most common type of connection is a 4-way flat connector. This connector has four wires that correspond to the left turn signal, right turn signal, tail lights, and brake lights. Each wire should be securely connected to its corresponding terminal on the connector. If any of these connections are loose, it could cause the trailer lights to malfunction.

What Happens if the Lights Still not Working 

If you have checked both the fuse and the trailer-tow connection, and your trailer lights are still not functioning, it is possible that there is a problem with the wiring on the trailer itself. The best way to diagnose this issue is to use a trailer wiring tester. 

This tester will provide power to the trailer lights and allow you to see if they are functioning correctly. If the trailer lights are not working, there will likely be a break in the wiring.

Professional Assistance for Your Trailer Repair Needs 

If you have checked all the above and your lights are in the same condition, it is time to call a professional mechanic for assistance. They will be able to diagnose the problem and get your trailer lights working again in no time.

At LV Road Tec Assistance, we are experts in trailer lights and wiring. We could save your day by delivering quick and accurate trailer repair. Contact us today for all your trailer light needs.



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