Car LED DRL Relay Controller Module – Auto ON/OFF 12V
Car LED DRL Relay Controller Module – Auto ON/OFF 12V
Smart Auto ON/OFF DRL Controller for Car LED Daytime Running Lights
Upgrade your vehicle's lighting system with this intelligent DRL Relay Controller Module. Designed to automatically manage your car's daytime running lights, this compact module activates your LEDs the moment your engine starts and powers them down with a smooth 12-second delay after shutdown — no manual switching required.
Made in Mainland China.
Key Features
- Automatic ON/OFF Control: DRL lights activate on engine start and power off 12 seconds after engine shutdown.
- Universal Compatibility: Fits all car makes and models with standard 12V electrical systems.
- Dimmer Function: When headlights or dashboard lights are switched on, the DRL brightness is automatically reduced by 50% for optimal visibility.
- Easy, No-Cut Installation: Simple plug-and-connect wiring — no need to modify or splice existing electrical lines.
- Compact & Waterproof: Mini form factor with a lightweight, water-resistant ABS housing built to handle under-hood conditions.
- Time-Lapse Power Off: Built-in delay-off function protects your battery and extends LED lifespan.
Specifications
- Material: ABS Housing / Copper Alloy Connectors
- Operating Voltage: 12V DC
- Working Current: 5A
- Cable Length: ~74 cm / 29.13 inches
Wiring Instructions
- Power Input: Connect the red wire (with fuse) to the battery positive (+) terminal and the black wire to the battery negative (−) terminal.
- DRL Output: Connect the output red wire to the positive pole of your LED daytime running lights; connect the output black wire to the negative pole.
- Dimmer Trigger: Connect the white wire to your headlights or dashboard lights circuit — when these are on, DRL brightness automatically drops to 50%.
Package Contents
- 1 × Daytime Running Light DRL Relay Controller Module
Looking for more automotive and tools accessories? Check out our 1/2" Drive 8-Piece Hex Short Socket Set – Vanadium Steel and our 10-Piece Gardening Tool Kit – Iron Head & Plastic Handle for more quality gear.
Learn more: FuelEconomy.gov on vehicle maintenance
Frequently Asked Questions
Q: Is this DRL relay controller compatible with my car model?
A: Yes — this DRL relay controller module is universally compatible with all car makes and models that use a standard 12V DC electrical system, making it suitable for the vast majority of passenger vehicles worldwide.
Q: Do I need to cut or modify my car's existing wiring to install this module?
A: No modifications to your existing wiring are required. The module features a simple connect-and-go setup using the included harness. You only need to connect it to the battery terminals and your LED DRL leads as described in the wiring instructions.
Q: What does the 12-second delay-off function do?
A: After your engine is turned off, the DRL relay controller keeps your daytime running lights on for approximately 12 seconds before powering them down. This time-lapse function provides a smooth transition and helps protect both your vehicle's battery and your LED lights from abrupt power cycling.
Q: Will this module dim my DRL lights automatically at night?
A: Yes. When you turn on your headlights or dashboard lights, the white wire triggers the built-in dimmer function, reducing your DRL brightness by approximately 50%. This ensures your daytime running lights don't overpower your main headlights during night driving.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.