RIGID High Power Wiring Harness – E-Series 40”–50” & RDS-Series 20”–30”

Universal Fit | High Output Harness | Relay & Switch Included | 12V System | SKU: 40190

Power your large light bars with confidence using the RIGID Industries High Power Wiring Harness (40190). This harness is engineered specifically for high-output E-Series (40”–50”) and RDS-Series (20”–30”) LED light bars, ensuring safe, reliable, and efficient performance.

Designed to handle higher current loads, this harness features a heavy-duty relay, inline fuse protection, and durable wiring to deliver consistent power while protecting your vehicle’s electrical system.

Key Features

• SKU: 40190
• Designed for E-Series 40”–50” & RDS-Series 20”–30” light bars
• High-power harness for large LED lighting setups
• Includes relay, inline fuse, and on/off switch
• Deutsch connectors for secure, weather-resistant connections
• Direct battery connection for optimal performance
• Heavy-duty wiring for high amperage loads

⚠️ Compatibility Note (IMPORTANT)

❗ Designed for larger RIGID light bars only
❗ Compatible with E-Series 40”–50” & RDS-Series 20”–30”
❗ Not intended for small pod lights or 360-Series lights
❗ Requires 12V vehicle electrical system

High Power Capability

• Supports high-output LED light bars
• Handles increased amperage safely
• Optimized for larger lighting systems

👉 Built for demanding off-road lighting setups

Complete Wiring Solution

• All-in-one harness with relay and fuse
• No need for additional electrical components
• Simplifies installation process

👉 Plug-and-play convenience

Safe & Reliable Operation

• Inline fuse protects your vehicle’s electrical system
• Relay ensures consistent power delivery
• Designed for long-term durability

👉 Protects both your lights and your vehicle

Durability & Construction

• Heavy-duty wiring insulation
• Weather-resistant components
• Built for harsh off-road environments

👉 Ready for extreme conditions

Installation

Connect harness directly to battery terminals
Route wiring to light bar mounting location
Mount switch inside cab or dash
Plug into light bar using Deutsch connectors
Typical install time: ~30–60 minutes

What’s Included

• High-power wiring harness
• Inline fuse holder
• Relay
• On/off switch
• Battery terminal connectors
• Deutsch light connectors

Specifications

• Product Type: Wiring Harness
• Voltage: 12V
• Compatibility: E-Series 40”–50” / RDS-Series 20”–30”
• Connector Type: Deutsch
• Mount Type: Universal

Popular Applications

👉 RIGID Light Bar Installations

Perfect for anyone running large RIGID E-Series or RDS-Series light bars who needs a reliable, high-capacity wiring solution.

👉 Ideal for roof racks, bumpers, and full lighting builds

Why Buy from Iron Ridge Offroad

✔ Fast Shipping
✔ Fast Processing
✔ Off-Road Experts You Can Trust
✔ Premium Brands & Proven Products

Ensure your lighting system performs at its best with the RIGID High Power Harness (40190) engineered for reliability, safety, and maximum performance.