1. Introduction
Thank you for choosing the Kohree KR3535 Trailer Breakaway Kit. This system is designed to provide an essential safety measure for your trailer by automatically activating the trailer's electric brakes if it becomes disconnected from the towing vehicle. This manual provides detailed instructions for installation, operation, and maintenance to ensure safe and reliable performance.
Please read this manual thoroughly before installation and operation. Keep it for future reference.
2. Product Overview
The Kohree KR3535 Trailer Breakaway Kit is a robust and reliable safety device for trailers and caravans. It features a built-in 12V 5Ah battery and an integrated charger, ensuring the system is always ready. The weatherproof housing protects internal components from harsh outdoor conditions, making it suitable for various environments.
Image 2.1: Overview of the Kohree Trailer Breakaway Kit installed with a trailer and towing vehicle.
Image 2.2: The reinforced plastic housing of the breakaway kit is designed to withstand harsh weather conditions, including rain.
3. Safety Information
Always ensure the breakaway system is properly installed and tested before each trip. A functional breakaway system is crucial for preventing accidents in the event of a trailer detachment. Failure to maintain and test the system could result in serious injury or property damage.
- Regularly inspect the coiled cable and switch for any signs of wear or damage.
- Ensure the battery is fully charged before towing.
- Do not attempt to repair damaged components; replace them with genuine Kohree parts.
- Consult a qualified technician if you are unsure about any installation or wiring procedures.
Image 3.1: The breakaway kit is designed to activate the trailer brakes automatically upon disconnection from the towing vehicle, ensuring safety.
4. Package Contents
Verify that all items listed below are included in your package:
- 1x Kohree Trailer Breakaway Kit (with built-in 12V 5Ah battery and charger)
- 1x Breakaway Switch with 48-inch cable
- 1x Replacement 4-foot coiled cable
Image 4.1: The complete package includes the breakaway unit, switch, and coiled cable.
5. Setup & Installation
The Kohree KR3535 Breakaway Kit features a side-mount design with pre-drilled mounting holes for easy installation. Ensure the mounting location is secure, protected from road debris, and allows for easy access to the LED indicators and test button.
5.1 Mounting the Breakaway Unit
- Select a suitable location on the trailer frame, preferably near the front, that is easily accessible and protected.
- Use appropriate hardware (not included) to securely fasten the breakaway unit to the trailer frame using the pre-drilled mounting holes.
5.2 Wiring Instructions
Refer to the wiring diagram below for proper connection. Ensure all connections are secure and insulated to prevent short circuits.
- Red Wire: Connect to the 12V power source (trailer battery or trailer connector's 12V auxiliary pin).
- White Wire: Connect to the trailer's ground.
- Blue Wire: Connect to the trailer's electric brake wire.
- Breakaway Switch: Connect the two wires from the breakaway switch to the designated terminals on the breakaway unit (typically marked 'Breakaway Switch' or similar).
Image 5.1: Wiring diagram showing connections for 12V power (red), ground (white), electric brake (blue), and the breakaway switch.
Image 5.2: Examples of the breakaway kit mounted in different positions on a trailer frame.
6. Operating Instructions
The breakaway system operates automatically. The primary user interaction involves monitoring the LED indicators and performing periodic tests.
6.1 LED Indicators
The unit features LED indicators to display the battery status:
- Green LED (Full Charged): Indicates the internal 12V 5Ah battery is fully charged.
- Red LED (Recharge): Indicates the battery needs recharging.
- Yellow LED (Charging): Indicates the battery is currently charging.
Image 6.1: The LED panel shows the battery charge status: Full Charged (Green), Recharge (Red), and Charging (Yellow).
6.2 Testing the System
It is recommended to test the breakaway system before each trip.
- Ensure the trailer is securely chocked and the towing vehicle is parked on a level surface.
- Disconnect the trailer's main electrical connector from the towing vehicle.
- Pull the pin from the breakaway switch. You should hear the trailer brakes engage.
- Verify that the trailer wheels are locked or that resistance is felt when attempting to move the trailer.
- Reinsert the pin into the breakaway switch to disengage the brakes.
- Reconnect the trailer's main electrical connector to the towing vehicle.
Alternatively, you can press the 'TEST' button on the unit to check the battery status. The LED will illuminate according to the charge level.
7. Maintenance
Proper maintenance ensures the longevity and reliability of your breakaway kit.
- Battery Care: The built-in 12V 5Ah battery is designed for long-lasting use. A full charge can last for months in standby. Always ensure the battery is fully charged before extended periods of non-use or before towing. The integrated charger will maintain the battery when connected to the towing vehicle's 12V power.
- Inspection: Periodically inspect the unit, wiring, and breakaway switch for any physical damage, corrosion, or loose connections.
- Cleaning: Keep the unit clean from dirt and debris. The weatherproof housing can be wiped with a damp cloth.
Image 7.1: The battery compartment can be accessed for inspection or replacement if necessary.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Brakes do not engage when pin is pulled. | Low or dead battery; faulty wiring; faulty breakaway switch; brake issues on trailer. | Check battery charge (LED indicator). Inspect all wiring connections. Test breakaway switch continuity. Inspect trailer brakes. |
| Battery not charging. | No 12V power from towing vehicle; faulty wiring; faulty internal charger. | Ensure 12V power is supplied from the towing vehicle. Check red wire connection. If issues persist, contact support. |
| LED indicators not working. | No power to unit; faulty LEDs. | Check 12V power connection. Ensure battery is connected. |
9. Specifications
Image 9.1: Physical dimensions of the breakaway unit and cable lengths.
| Feature | Detail |
|---|---|
| Model | KR3535 |
| Operating Voltage | 12 Volts DC |
| Battery Capacity | 12V 5Ah (Built-in) |
| Wattage | 60 watts |
| Housing Material | Reinforced Plastic |
| Mounting Type | Side-Mount / Rack Mount |
| Switch Type | Toggle / Push Button (Breakaway Switch) |
| Included Components | Breakaway Kit, 12V 5Ah Battery, LED Indicator, Breakaway Switch |
| Cable Length (Switch) | 48 inches (approx. 4 feet) |
| Coiled Cable Length | 4 feet |
10. Warranty
The Kohree KR3535 Trailer Breakaway Kit comes with a 1-Year Limited Warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from improper installation, accident, abuse, neglect, unauthorized repair, or modification.
To make a warranty claim, please retain your proof of purchase and contact Kohree customer support.
11. Customer Support
If you have any questions, require technical assistance, or need to report an issue with your Kohree KR3535 Trailer Breakaway Kit, please contact our customer support team. For the most up-to-date contact information, please visit the official Kohree website or refer to the product packaging.