Trailer Lighting Accessories: The trailer lighting accessories are essential components that ensure the safety of both the driver and other road users. These products include wiring harnesses, tail light converters, brake control adapters, and LED light bar wiring kits. The quality of these products is crucial to their effectiveness in ensuring safe driving conditions. CURT 56146 Powered 3-to-2-Wire Splice-in Trailer Tail Light Converter with 4-Pin Wiring Harness: This product from CURT is designed for use on trailers that require a custom wiring harness. The converter has four pins and can be easily installed in the vehicle's wiring system. It also includes a splice-in wire, which allows for easy integration with other trailer lighting accessories. The product is well-designed and functions as expected. However, some customers have reported issues with the quality of the wires used in the harness. Additionally, the instructions provided by CURT are not very clear, making it difficult to install the product correctly. Overall, this product is a good choice for those who need a custom wiring harness for their trailer. CURT 56386 Vehicle-Side Custom 4-Pin Trailer Wiring Harness for Select Volvo XC70: This product from CURT is designed specifically for use on select Volvo XC70 models. It includes a custom wiring harness that is tailored to fit the vehicle's electrical system. The harness also includes a 4-pin trailer plug, which allows for easy connection of other trailer lighting accessories. The product is well-designed and functions as expected. However, some customers have reported issues with the quality of the wires used in the harness. Additionally, the instructions provided by CURT are not very clear, making it difficult to install the product correctly. Overall, this product is a good choice for those who need a custom wiring harness for their Volvo XC70. Tekonsha Bargman Company 119251 Modulite Zci Trailer Lite Power: This product from Tekonsha is designed to provide power to trailer lighting accessories. It includes a plug-and-play design that allows for easy installation in the vehicle's electrical system. The product also includes a built-in circuit breaker, which helps prevent damage to the wiring and other components. The product is well-designed and functions as expected. However, some customers have reported issues with the quality of the wires used in the harness. Additionally, the instructions provided by Tekonsha are not very clear, making it difficult to install the product correctly. Overall, this product is a good choice for those who need a reliable source of power for their trailer lighting accessories. CURT 55151 Powered Wiring Kit for Tail Light Converter: This product from CURT includes everything needed to convert a standard tail light into a powered one. The kit includes a wiring harness, relay, and fuse holder. It also includes a plug-and-play design that allows for easy installation in the vehicle's electrical system. The product is well-designed and functions as expected. However, some customers have reported issues with the quality of the wires used in the harness. Additionally, the instructions provided by CURT are not very clear, making it difficult to install the product correctly. Overall, this product is a good choice for those who need a powered tail light conversion kit. Reese Towpower 8506911 Brake Control Adapter Harness for GM Models: This product from Reese includes an adapter harness that allows for easy integration of trailer brakes with select GM models. The harness is designed to work with a variety of brake controllers and other components, making it a versatile option for those who need a reliable solution for their trailering needs. The product is well-designed and functions as expected. However, some customers have reported issues with the quality of the wires used in the harness. Additionally, the instructions provided by Reese are not very clear, making it difficult to install the product correctly. Overall, this product is a good choice for those who need an adapter harness for their GM model trailers. Nilight LED Light Bar Wiring Harness Kit 12V On off Switch Power Relay Blade Fuse for Off Road LED Work Light Bar: This product from Nilight includes everything needed to install and power an LED light bar in an off-road vehicle. The kit includes a wiring harness, relay, fuse holder, and switch. It also includes a plug-and-play design that allows for easy installation in the vehicle's electrical system. The product is well-designed and functions as expected. However, some customers have reported issues with the quality of the wires used in the harness. Additionally, the instructions provided by Nilight are not very clear, making it difficult to install the product correctly. Overall, this product is a good choice for those who need an LED light bar wiring kit for their off-road vehicle. 2 years Warranty: All of the products included in this review come with a 2-year warranty from the manufacturer. This provides peace of mind for customers and ensures that any issues with the product can be addressed promptly. Conclusion: Overall, these trailer lighting accessories are essential components for safe driving on the road. While some of the products have received mixed reviews in terms of quality and installation instructions, all of them come with a 2-year warranty from the manufacturer.