Power up your massive outback lighting rig without the auto-electrical headache. The Roadvision GEN2 Heavy Duty Wiring Harness is engineered specifically for high-output LED light bars drawing 140W and above. Featuring state-of-the-art smart electronics, this next-generation loom automatically detects both positive and negatively switched headlamp systems.
True to Roadvision's "Built Tough" pedigree, this heavy-duty kit is designed to survive punishing Australian conditions, from salty coastal tracks to the red dust of the Simpson Desert. Equipped with fully waterproof ATP plugs, premium-grade cabling, and both 12V and 24V relays straight out of the box, it delivers reliable, uninterrupted power to your biggest light bars. Complete with an illuminated cabin rocker switch and plug-and-play H4 and HB3 piggyback connectors, this DIY-friendly harness provides a professional, bulletproof installation for ultimate peace of mind.
Roadvision GEN2 Features & Benefits
- Heavy-Duty Power: Specially designed with robust cabling to safely and efficiently handle high-performance LED light bars drawing 140W and above.
- Smart System Detection: Built-in electronics automatically adapt to both positively and negatively switched systems, eliminating a major headache for many Toyota and Ford owners.
- True Plug & Play: Supplied with H4 and HB3 piggyback connectors for a seamless, solder-free connection directly into your factory headlight wiring.
- Universal Globe Compatibility: Works flawlessly with standard halogen, aftermarket HID, and modern LED headlight globes without triggering errors.
- Multi-Volt Ready: Includes both 12V and 24V relays in the box, making it perfect for passenger 4WDs, heavy transport trucks, and agricultural machinery.
- Outback Element Protection: Features heavy-duty, completely waterproof ATP connectors to lock out mud, water, and fine bull dust during deep creek crossings.
- Complete Cabin Control: Comes supplied with a premium illuminated rocker switch for a neat, factory-style finish on your vehicle's dashboard.
Roadvision GEN2 Technical Specifications
| Specification | Detail |
| Brand | Roadvision |
| Series | GEN2 Heavy Duty Wiring Harness |
| Voltage Compatibility | 12V & 24V DC (Relays Included) |
| Lamp Capacity | Suit 1 LED Light Bar (140W+) |
| Headlight Integration | H4 & HB3 Piggyback Connectors |
| System Compatibility | Auto-Detects Positive & Negatively Switched |
| Globe Compatibility | Halogen, HID & LED |
| Primary Connectors | Waterproof ATP Plugs |
| Switch Included | Yes (Illuminated Rocker Switch) |
| Fitment Type | Simple DIY Plug & Play |
Frequently Asked Questions (FAQs)
Will this harness support my massive 250W light bar? Yes, this Heavy Duty version of the GEN2 harness is specifically engineered with thicker gauge wire and robust components to safely power high-output LED light bars drawing 140W and above.
My 4WD is negatively switched. Do I need an extra adaptor? Not at all. The smart electronics built into this GEN2 harness automatically detect and adapt to both positively and negatively switched headlight systems straight out of the box.
Will it work if I have already upgraded my headlights to LEDs? Absolutely. This harness is fully compatible with factory halogen, aftermarket HID, and modern LED headlight globes without requiring any complex wiring modifications.
Can I run two light bars off this one kit? No, this specific wiring harness is designed to safely and efficiently power a single (1) high-output LED light bar.
Is it safe for deep water crossings? Yes. The kit utilizes premium waterproof ATP plugs that create a completely sealed, weatherproof connection, protecting your electrical circuit from water, mud, and dust.
Do I need an auto electrician to install this? While professional installation is always a great option, this kit is designed for simple DIY fitment. The H4 and HB3 piggyback connectors simply plug in between your factory headlight globe and wiring plug, meaning no cutting, soldering, or splicing is required.
