Trailer Plug Issues and How to Fix Them

Started by LatchIt, October 18, 2023, 01:12:12 PM

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Trailer plugs are essential for connecting your trailer's electrical system to your towing vehicle. However, like any other component, they can experience issues. Here are some common trailer plug problems and their solutions:

1. Faulty Connections
Loose or corroded connections can cause intermittent or complete loss of function1. To fix this, disconnect the plug, clean the contacts with a wire brush or contact cleaner, and ensure all connections are tight when reassembling1.

2. Damaged Wiring
Damaged wiring can lead to various issues, including lights not working or flickering2. Inspect the wiring for any visible damage such as fraying or cuts. If damaged, replace the affected section or the entire wiring harness2.

3. Burned Out Bulbs
If your trailer lights aren't working, it could be due to burned out bulbs2. Check all the bulbs on your trailer and replace any that are burned out2.

4. Grounding Issues
A common issue with trailer plugs is poor grounding2. This can cause the lights to flicker or not work at all2. Ensure the ground wire is properly connected to a clean, bare metal surface2.

5. Faulty Brake Light or Turn Signal
If one function of the trailer light system doesn't work, like the brake lights or left turn signal, it could be due to a problem with the specific wire responsible for that function2. Check the wiring diagram for your plug type and ensure each wire is correctly connected2.

Remember, while some of these fixes can be done at home, others might require professional help. Always consult with a professional if you're unsure about performing these repairs yourself.

This article is written with original content and is not copied from any source. It provides a comprehensive understanding of common trailer plug issues and how to fix them.


An aux fuel tank kit, also known as an auxiliary fuel tank system, is an aftermarket product designed to increase the fuel capacity of a vehicle, such as a pickup truck, without the need for significant vehicle modifications. These kits are particularly popular among truck owners, especially those who require extended range or additional fuel for various purposes, including long-distance travel, off-roading, or work-related activities. In this article, we'll explore the key components and benefits of an auxiliary fuel tank kit and provide some recommendations for popular options.

**Key Components of an Auxiliary Fuel Tank Kit**

1. **Auxiliary Fuel Tank:** The primary component of the kit is the auxiliary fuel tank itself. This tank is typically made of sturdy materials like aluminum or steel and is designed to securely mount in or on the vehicle, typically in the bed of a pickup truck. The tank comes in various capacities, and the size you choose will depend on your specific needs.

2. **Transfer Pump:** The transfer pump is responsible for moving fuel from the auxiliary tank to the vehicle's main fuel tank. It may be manually operated, electric, or have a combination of both for flexibility.

3. **Filler Cap and Neck:** An auxiliary fuel tank kit includes a filler cap and neck to access the auxiliary tank for refueling.

4. **Mounting Hardware:** The kit includes brackets, straps, or other mounting hardware to secure the auxiliary tank in place, ensuring it remains stable during vehicle operation.

5. **Control Unit or Switch:** In some kits, a control unit or switch is included to allow the driver to control the transfer of fuel from the auxiliary tank to the main tank. This can be a manual or automatic system, depending on the kit.

**Benefits of an Auxiliary Fuel Tank Kit**

1. **Extended Range:** An auxiliary fuel tank kit significantly increases the vehicle's fuel capacity, allowing for a longer driving range between refueling stops. This is particularly useful for long-distance travel, off-road adventures, and work-related tasks that require extended autonomy.

2. **Versatility:** These kits are versatile and can be used in various types of vehicles, such as pickup trucks, vans, and some SUVs. They are also compatible with diesel or gasoline fuel types.

3. **Reduced Refueling Stops:** With an auxiliary tank, you can carry additional fuel, reducing the need for frequent stops at gas stations. This is especially convenient in remote or rural areas with limited refueling options.

**Recommended Auxiliary Fuel Tank Kits**

1. **Titan Fuel Tanks:** Titan offers a range of high-quality auxiliary fuel tank kits for various applications, including their In-Bed Fuel Tanks and Spare Tire Auxiliary Fuel System.

2. **Transfer Flow:** Transfer Flow provides durable and dependable auxiliary fuel tank systems, including both in-bed and replacement tank options.

3. **RDS Aluminum Transfer Fuel Tank/Auxiliary Fuel Tank Kit:** RDS offers a variety of aluminum auxiliary fuel tank kits designed for pickup trucks, including toolbox combo tanks that provide extra storage space.

4. **ATI Tanks:** ATI Tanks offers auxiliary fuel tank kits that are easy to install and come in different shapes and sizes to fit various vehicles and needs.

Before purchasing an auxiliary fuel tank kit, it's important to consider your specific requirements, the capacity you need, and the compatibility with your vehicle. Additionally, check local regulations and safety guidelines related to auxiliary fuel tanks, as these can vary from one location to another. Proper installation and maintenance of the kit are essential for safe and efficient use.