Baja Designs OnX6 / S8 / XL Upfitter Wiring Harness
Universal Fit | Part Number: 640094
Simplify your light installation with the Baja Designs OnX6 / S8 / XL Upfitter Wiring Harness. Designed specifically for vehicles equipped with factory upfitter (auxiliary) switches, this harness allows seamless integration of Baja Designs light bars and pods without complex wiring.
This plug-and-play style harness connects directly to your vehicle’s upfitter system, eliminating the need for additional switches while maintaining a clean, OEM-style installation. It is compatible with Baja Designs OnX6, S8, and XL series lights.
The harness can also be integrated with aftermarket switch panels such as sPOD, making it a versatile solution for a wide range of off-road builds.
Key Features
- Universal fitment (vehicles with upfitter switches)
- Part Number: 640094
- Designed for OnX6, S8, and XL series lights
- Direct integration with factory upfitter/aux switches
- Clean OEM-style installation
- Compatible with aftermarket switch panels (sPOD, etc.)
- Heavy-duty wiring for off-road use
- Plug-and-play design simplifies installation
- High-quality connectors and sheathing
- Limited lifetime warranty
⚠️ Fitment Note (IMPORTANT)
❗ Designed for vehicles equipped with factory upfitter switches
❗ Compatible with Baja Designs OnX6, S8, and XL lights ONLY
❗ If running two lights on a single harness, you will also need:
• Baja Designs 613608 (3-Pin OnX6/S8/XL 2-Light Splitter)
❗ Verify your wiring setup and light configuration before ordering
Designed for Upfitter Switch Systems
- Connect directly to factory auxiliary switches
- No need for additional toggle switches
- Clean and professional wiring solution
👉 Perfect for Ford Raptor, Bronco, Ranger, and other upfitter-equipped vehicles
Versatile Lighting Integration
- Works with OnX6 light bars
- Compatible with S8 light bars
- Supports XL series light pods
👉 One harness solution for multiple Baja Designs lights
Expandable Setup Capability
- Can power a single light directly
- Add splitter (PN: 613608) for dual light setups
- Flexible for future upgrades
👉 Easily scale your lighting system
Durable Off-Road Construction
- Heavy-duty wiring and connectors
- Built to withstand vibration and harsh conditions
- Reliable performance in extreme environments
Engineered for off-road durability and long-term reliability.
What’s Included
- Baja Designs Upfitter wiring harness
- Pre-installed connectors and wiring leads
- Installation-ready configuration
❗ Splitter NOT included (required for dual light setups)
Specifications
- Compatibility: OnX6 / S8 / XL lights
- Connection Type: Upfitter switch integration
- Voltage: 12V system
- Connector Type: Weather-resistant connectors
- Application: Single light or dual (with splitter)
- Harness Type: Upfitter (aux switch compatible)
Installation
Designed for upfitter-equipped vehicles
Plug-and-play integration with aux switches
No additional switch required
Use splitter (613608) for dual light setups
Professional installation recommended for optimal routing
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 OnX6 / S8 / XL Upfitter Wiring Harness (640094) built for clean integration, easy installation, and reliable performance on any off-road build.
