1.The trailer towing wire harness kit is compatible with for 2021 2022 2023 2024 2025 Ford Bronco 2 Door 4 Door.Also compatible with for most of Ford 150 250 350 Escape Edge Jeep Wrangler JK JKU JL JLU Pickup truck etc. 2.The trailer harness kit is made of high-quality materials,sturdy and can be used for long time.The accompanying relay can effectively prevent excessive current and protecting the circuit.The black plastic pipe sleeve on the wire harness can effectively protect the wire harness at the bottom of the vehicle from damage such as sand,dirt,rain,etc. 3.This trailer wiring harness kit can be inserted into existing lines on your vehicle and is equipped with a standard rear 4-pin trailer wiring connector for inserting and towing trailers.Aluminum foil can wrap around the wire near the engine to prevent damage to the wiring harness due to high engine temperature. 4.Easy to install.Output to 4-falt:White line connected to ground,Yellow connected to left turn / brake,Brown connected to tail light,Green connected to right turn / brake;Input from vehicle:Black connected to ground,Yellow connected to left turn,Green connected to right turn,Blue connected to brake,Brown connected to tail light,Red wire is connected to the positive. 5.4-Flat trailer wiring can be used to connect trailer tail lights,brake signal lights,and turn signals.When you are towing,you can remind the rear to come and ensure the safety of driving.The product includes 1 set of trailer harness kit,plastic pipe sleeve,anti scalding aluminum foil,relays,tie straps and other accessories

4-Pin Trailer Wiring Harness Compatibility：

Compatible with for 2021 2022 2023 2024 2025 Ford Bronco 2 Door 4 Door.

Compatible with for most of Ford 150 250 350 Escape Edge Jeep Wrangler JK JKU JL JLU Pickup truck etc.

When the wiring harness passes through the bottom of the vehicle, the wiring harness may be affected by rain,dirt,and mud for a long time,making it easy to get dirty or damaged.

So the wiring harness kits come with black plastic pipe sleeves to wrap the wire at the bottom of the vehicle, which can effectively protect the wiring harness from damage such as sand,dirt,rain,etc

Connection：

Output to 4-falt:White line connected to ground,Yellow connected to left turn / brake,Brown connected to tail light,Green connected to right turn / brake;I

nput from vehicle:Black connected to ground,Yellow connected to left turn,Green connected to right turn,Blue connected to brake,Brown connected to tail light,Red wire is connected to the positive.