trailer lights 1-way to 7-way plug and socket quick disconnect connector custom wiring harness

Introduction

Maintaining the running lights on your trailer is of utmost importance to ensure your safety on the road and comply with legal requirements. When these lights start malfunctioning, the issue often lies within the wiring system. Boat trailer light wiring typically consists of several components, including a plug that connects to the tow vehicle's lighting circuitry, a corresponding trailer light connector on the trailer wiring harness, a wiring harness that runs along the length of the trailer frame, and various lights positioned around the trailer's perimeter.

When you're selecting a trailer wiring kit, it is crucial to choose one that is compatible with your vehicle's lighting wires. This ensures proper functionality and seamless integration between the tow vehicle and the trailer. To assist with the connection process between your vehicle and the trailer, wiring harnesses for trailers feature color-coded wires. These color codes help match the corresponding wires from the tow vehicle's electrical system to the appropriate wires on the trailer.

Trailer wire connectors come in various types, including 2-, 3-, 4-, and 5-pole flat connectors. These connectors are often referred to as "2-, 3-, 4-, or 5-way connectors" due to the number of connections they offer. Additionally, round connectors are also available for specific trailer wiring setups. Below are typically 7 ways of trailer light plug wire harness for your reference.

1-way trailer wire harness, quick disconnect SAE bullet connector wire harness

A 1-way trailer plug is a simple electrical connector used for basic trailer setups that require only a single function or light. While it may not be a standard configuration, it can be used in specific cases where a trailer has a single light or requires a dedicated power source for a specific purpose. A 1-way trailer plug typically consists of a single pin or blade connector, which connects to a wire running from the towing vehicle to the trailer. This setup allows for the transmission of power to a single light or electrical device on the trailer. For example, if you have a small trailer with a single tail light, a 1-way trailer plug can be used. The plug would have a single pin or blade that connects to the wire providing power to the tail light. The other end of the wire would be connected to the corresponding power source or tail light circuit in the towing vehicle.

2-way trailer wire harness, quick disconnect SAE bullet connector wire harness

The 2-way connector is the most widely used plug, not only for trailer light but also for battery power supply. This type of plug provides two electrical connections, allowing for the transmission of power to the essential lights on the trailer. Each pin or blade corresponds to a specific function and is color-coded for easy identification. The standard color coding for a 2-way flat trailer plug is as follows:

1. Ground: The ground connection is typically represented by a white wire. It provides a path for the electrical current to return to the vehicle's battery.

2. Tail Lights: The tail lights connection is usually represented by a brown wire. This wire powers the trailer's rear lights, including the tail lights and side marker lights.

3-way trailer wire harness, quick disconnect SAE bullet connector wire harness

This type of connector provides three electrical connections, typically used for powering the essential lights on a trailer, which include the tail lights, turn signals, and brake lights. The 3-way flat trailer plug features three pins or blades housed within a rectangular connector. Each pin or blade corresponds to a specific function and is color-coded for easy identification. The standard color coding for a 3-way flat trailer plug is as follows:

1. Ground: The ground connection is usually represented by a white wire. It provides a path for the electrical current to return to the vehicle's battery.

2. Tail Lights: The tail lights connection is typically represented by a brown wire. This wire powers the trailer's rear lights, including the tail lights and side marker lights.

3. Left/Right Turn Signals and Brake Lights: The left and right turn signals, as well as the brake lights, are combined into a single connection, represented by a green wire for the right side and a yellow wire for the left side. These wires transmit the signal from the towing vehicle to the corresponding lights on the trailer, indicating the intended direction or braking action.

4-way trailer wire harness, quick disconnect SAE bullet connector wire harness

4-way flat trailer plug is a common type of electrical connector used for connecting the lighting system of a trailer to the towing vehicle. This plug provides four electrical connections, enabling power transmission to the essential lights on the trailer, including the tail lights, turn signals, brake lights, and ground.

1. Ground: The ground connection is usually represented by a white wire. It provides a path for the electrical current to return to the vehicle's battery.

2. Tail Lights: The tail lights connection is typically represented by a brown wire. This wire powers the trailer's rear lights, including the tail lights and side marker lights.

3. Left Turn Signal and Brake Lights: The left turn signal and brake light connection are usually represented by a yellow wire. This wire transmits the signal from the towing vehicle to the left turn signal and brake lights on the trailer.

4. Right Turn Signal and Brake Lights: The right turn signal and brake light connection are typically represented by a green wire. This wire transmits the signal from the towing vehicle to the right turn signal and brake lights on the trailer.

5-way trailer wire harness, quick disconnect SAE bullet connector wire harness

This type of plug provides five electrical connections, allowing for the transmission of power to various lights and functions on the trailer. Each pin or blade corresponds to a specific function and is color-coded for easy identification. The standard color coding for a 5-way flat trailer plug is as follows:

1. Ground: The ground connection is typically represented by a white wire. It provides a path for the electrical current to return to the vehicle's battery.

2. Tail Lights: The tail lights connection is usually represented by a brown wire. This wire powers the trailer's rear lights, including the tail lights and side marker lights.

3. Left Turn Signal and Brake Lights: The left turn signal and brake light connection are commonly represented by a yellow wire. This wire transmits the signal from the towing vehicle to the left turn signal and brake lights on the trailer.

4. Right Turn Signal and Brake Lights: The right turn signal and brake light connection are typically represented by a green wire. This wire transmits the signal from the towing vehicle to the right turn signal and brake lights on the trailer.

5. Electric Brake: The fifth connection in a 5-way flat trailer plug is used for trailers equipped with electric brakes. This connection is often represented by a blue wire and is responsible for transmitting the brake signal from the towing vehicle to the trailer's electric brake system.

6-way round trailer plug wire harness

This type of plug provides 6 electrical connections, enabling the transmission of power to various lights, as well as auxiliary functions on the trailer. Each pin or blade corresponds to a specific function and is color-coded for easy identification. The standard color coding for a 6-way flat trailer plug is as follows:

1. Ground: The ground connection is typically represented by a white wire. It provides a path for the electrical current to return to the vehicle's battery.

2. Tail Lights: The tail lights connection is usually represented by a brown wire. This wire powers the trailer's rear lights, including the tail lights and side marker lights.

3. Left Turn Signal: The left turn signal connection is commonly represented by a yellow wire. This wire transmits the signal from the towing vehicle to the left turn signal on the trailer.

4. Right Turn Signal: The right turn signal connection is typically represented by a green wire. This wire transmits the signal from the towing vehicle to the right turn signal on the trailer.

5. Electric Brake: The electric brake connection is often represented by a blue wire. This wire is used for trailers equipped with electric brakes and is responsible for transmitting the brake signal from the towing vehicle to the trailer's electric brake system.

6. Auxiliary Power: The sixth connection in a 6-way flat trailer plug is for auxiliary power or accessories on the trailer. This connection is typically represented by a black wire and allows for the powering of additional lights, interior features, or other electrical components on the trailer.

7-way trailer wire harness

This type of plug provides seven electrical connections, allowing for the transmission of power to various lights, brakes, and accessories on the trailer. Each pin or blade corresponds to a specific function and is color-coded for easy identification. The standard color coding for a 7-way flat trailer plug is as follows:

1. Ground: The ground connection is typically represented by a white wire. It provides a path for the electrical current to return to the vehicle's battery.

2. Tail Lights: The tail lights connection is usually represented by a brown wire. This wire powers the trailer's rear lights, including the tail lights and side marker lights.

3. Left Turn Signal: The left turn signal connection is commonly represented by a yellow wire. This wire transmits the signal from the towing vehicle to the left turn signal on the trailer.

4. Right Turn Signal: The right turn signal connection is typically represented by a green wire. This wire transmits the signal from the towing vehicle to the right turn signal on the trailer.

5. Electric Brake: The electric brake connection is often represented by a blue wire. This wire is used for trailers equipped with electric brakes and transmits the brake signal from the towing vehicle to the trailer's electric brake system.

6. Brake Controller Output: The sixth connection in a 7-way flat trailer plug is for the brake controller output. This connection is typically represented by a black wire and is used to send a proportional signal from the brake controller to the trailer's electric brake system.

7. Auxiliary Power: The seventh connection is for auxiliary power or accessories on the trailer. This connection is typically represented by a red wire and allows for the powering of additional lights, interior features, or other electrical components on the trailer.

It's important to note that wiring colors and configurations can vary between different manufacturers or trailer models. Therefore, it is always advisable to consult the specific wiring diagram or instructions provided by the trailer manufacturer to ensure proper installation and compatibility with the towing vehicle's electrical system.

Other related trailer wire harness

All these are bespoke wire harnesses that have been specifically designed to meet the unique needs of customers. The wire harness features a 1-way to 7-way plug and socket quick-disconnect SAE bullet connector, making it incredibly easy to use and install.

The custom wiring harness is primarily intended for use with trailers, ensuring that they are able to function safely and efficiently. It conforms fully to the SAE J1128 specification, meaning that it meets all relevant safety standards and regulations.

One of the key benefits of this particular wire harness is its over-mold design. This self-owned over mold ensures maximum durability and protection against wear and tear, even in harsh environments or extreme weather conditions.

In terms of materials used, this custom wiring harness features high-quality PVC mold materials which provide excellent insulation properties while also being resistant to damage from moisture or other environmental factors.

The wire gauge used in this custom wiring harness is 18AWG, but customization options are available depending on specific requirements. This means that customers can tailor their wire harnesses precisely according to their needs, ensuring optimal performance at all times.

Overall, this custom-designed wire harness represents an ideal solution for anyone looking for reliable trailer lighting solutions that are both safe and efficient. With its advanced features and high-quality construction materials, it offers unbeatable value for money compared with other similar products on the market today.

custom your own wire harness:

Send your sample or drawing/schematic for quote price→ Feedback with quotation(1~3 days) → Confirm quotation → Arrange sample you for approval→ [Make mold if needed (7 days) →Mold test] → Making samples(1~3 days)→Samples test(Approval) →place order for Mass production(2~3 weeks)→Quality checking→Packing →Delivery →After Service →Repeat Order.