12V Fog Light Wiring Harness Kit with Switch & Relay – Universal Fit for Cars, Trucks, ATVs & UTVs
Upgrade your vehicle lighting system with this complete 12V Fog Light Wiring Kit, designed for universal compatibility across cars, pickup trucks, off-road vehicles, ATVs, UTVs, and working vehicles. Whether you're powering fog lights, LED light bars, or other relay-based auxiliary accessories, this kit delivers stable performance, enhanced visibility, and reliable electrical safety in all driving conditions—including off-road terrain and nighttime use.
Featuring a 40A power relay and an illuminated rocker switch, the harness ensures dependable current delivery while allowing effortless control even in low-light environments. With over 10.7 feet of wiring and color-coded connectors, installation becomes more flexible and error-free, making this kit suitable for both professional installers and DIY users.
Built with high-grade materials, vibration-resistant connectors, and factory-tested components, this harness withstands heat, dust, and outdoor exposure—providing long-term durability ideal for heavy-duty use such as farm vehicles, utility rigs, or auxiliary work lighting.
Specifications:
- Product Name: Fog Light Wiring Harness Kit
- Color: Black
- Material: Plastic Housing
- Relay Rating: 12V / 40A
- Fitment: Universal, suitable for most vehicles
Key Features
- Universal 12V Application – Powers a wide range of vehicle accessories including fog lights and LED bars, improving brightness and driving safety.
- Complete Harness System – Equipped with 12V 40A relay, fuse, connectors, and illuminated on/off switch for immediate installation.
- Extended Wiring Length – Over 10.7 ft of cable supports routing through larger vehicles while color-coded wiring simplifies setup.
- High-Strength & Reliable Build – Designed with tested components that resist vibration, heat, corrosion, and outdoor elements.
- Heavy-Duty Electrical Support – 40A relay delivers stable current for powerful lighting systems and demanding conditions.
Package Includes
- 1 × Fog Light Switch Wiring Harness Kit (Relay, Fuse & Switch Integrated)
Installation Guide:
- Connect red positive wire (with fuse) to the battery positive terminal.
- Connect relay negative wire (black) to vehicle ground/battery negative.
- Connect output wires from the relay to the light bar or fog lights.
- Connect switch wires to power supply within the cabin.
- Press ON/OFF switch to test lighting function.
Notes
- Installation is straightforward, but professional installation is recommended for optimal safety.
- Please allow 1–3 cm measurement tolerance due to manual measurement.