Baja Designs On/Off Wiring Harness (OnX6 / S8 / XL Sport / XL Pro)

Universal Fit | Part Number: 640115

Power your off-road lighting the right way with the Baja Designs On/Off Wiring Harness. Designed for simple, reliable installation, this universal harness provides a clean and efficient solution for powering Baja Designs light bars and auxiliary lights.

This harness features a built-in on/off toggle switch, relay, and fuse protection, making it a complete plug-and-play solution for powering OnX6, S8, XL Sport, and XL Pro series lights. It is capable of powering up to two lights (150W max), making it ideal for light bars or dual pod setups.

Built with high-quality wiring and weather-resistant connectors, this harness is engineered for durability and reliable performance in harsh off-road environments.

Key Features

• Universal fitment
• Part Number: 640115
• Designed for OnX6, S8, XL Sport, and XL Pro lights
• Integrated on/off toggle switch
• Includes relay and fuse protection
• Supports up to 2 lights (150W max)
• Plug-and-play installation
• Heavy-duty wiring for off-road use
• Weather-resistant connectors
• Clean and reliable wiring solution
• Limited lifetime warranty

⚠️ Fitment Note (IMPORTANT)

❗ This is a universal wiring harness
❗ Compatible with OnX6, S8, XL Sport, and XL Pro lights
❗ Will NOT work with:
   • OnX6+ light bars 30" and above
   • S8 light bars 40" and above
❗ Designed for smaller light bars and dual light setups only
❗ Verify light size and power requirements before ordering

Simple On/Off Control

• Integrated toggle switch for easy operation
• No need for complex wiring or external switch systems
• Perfect for basic lighting setups

👉 Ideal for quick and clean installs

Dual Light Capability

• Powers up to two lights
• 150W max output capacity
• Perfect for dual pod or small light bar setups

👉 Great for ditch lights, bumper lights, or small bars

Built for Off-Road Durability

• Heavy-duty wiring and sheathing
• Weather-resistant connectors
• Designed for vibration and harsh conditions

Engineered to perform in demanding off-road environments.

What’s Included

• Baja Designs On/Off wiring harness
• Relay and inline fuse
• Toggle switch
• Battery terminals and connectors
• Installation-ready wiring leads

Specifications

• Compatibility: OnX6 / S8 / XL Sport / XL Pro
• Max Lights: 2 lights
• Max Output: 150W
• Switch Type: On/Off toggle
• Voltage: 12V system
• Connector Type: Weather-resistant connectors
• Harness Type: Universal on/off harness

Installation

Universal wiring application
Connects directly to battery
Includes relay and fuse protection
Simple switch installation
Professional installation recommended for optimal routing
Typical install time: ~30–60 minutes

Why Buy from Iron Ridge Offroad

✔ Fast Shipping
✔ Authorized Premium Brands
✔ Fast Processing
✔ Off-Road Experts You Can Trust

Simplify your lighting install with the Baja Designs On/Off Wiring Harness (640115) built for reliable performance, easy installation, and clean power delivery for your off-road lighting setup.