ROADVISION RBL4021SCD + RBWKD Harness Kit – 21” Dual Colour DRL LED Light Bar & Wiring Harness

Part Numbers: RBL4021SCD + RBWKD

✅ Includes Dual Colour DRL 21” Light Bar + Matching Wiring Harness

✅ Plug & Play Deutsch Connectors

✅ White or Amber DRL Selection

✅ Complete Kit – Ready to Install

💡 Product Overview

The Roadvision RBL4021SCD 21” LED light bar combined with the RBWKD wiring harness gives you a powerful, easy-to-install lighting upgrade that looks sharp and performs brilliantly.

The dual-colour DRL (white or amber) provides style and visibility, while the included harness makes wiring fast, clean, and reliable — no cutting or guesswork.

🔧 Light Bar Features

Dual Colour DRL: White or Amber selectable daytime running lights
Slimline Housing: Compact 21” size fits bullbars, racks, or grilles
High-Intensity LEDs: Combo beam (spot + flood) for maximum coverage
Durable Construction: Die-cast aluminium housing, polycarbonate lens
Weatherproof: IP67 rated – dustproof & waterproof
Multi-Voltage: 9–36 V DC, suitable for 12 V & 24 V vehicles
Easy Mounting: Adjustable side and rear brackets included
Plug & Play Connection: 4-Pin Deutsch connector

📏 Light Bar Specifications

Model: RBL4021SCD
Length: 21” (approx. 533 mm)
Voltage: 9–36 V DC
Beam Type: Combination (Spot + Flood)
DRL Colours: White / Amber
Housing: Aluminium, black powder-coated
Lens: Polycarbonate (UV-stabilised)
Ingress Protection: IP67
Connector: 4-Pin Deutsch

⚡ RBWKD Wiring Harness Features

Complete plug & play harness for driving lights & light bars
Dual rocker switches for Driving Lamp & DRL control
Works with both 12 V & 24 V systems
Plug & play H4/HB3 high-beam piggy-back connectors
Waterproof 4-Pin Deutsch connectors
Built-in relays, fuses & rocker switches
Compatible with positive & negative-switched headlight circuits
Fully pre-terminated – clean, professional install
Designed specifically for Roadvision Dual Colour DRL Light Bars

Worth Noting:

We also sell the Genuine Roadvision Plug “N” Play wiring harness RDWKD in our store or these lights as a pair including the wiring harness.

For an even easier install, we also stock a wide range of vehicle specific High Beam Patch harnesses – sold separately in our store! Perfect for a true plug-and-play setup with your Roadvision lights and wiring

💡 Compatible Light Bar Family

This 21” bar belongs to the Roadvision Dual Colour DRL Series, including:

RBL2112C, RBL2121C, RBL2130C, RBL4013SCD, RBL4021SCD, RBL7013SCD.

📬 Postage Information:

We recommend monitoring your tracking closely, as Australia Post does not always leave a card if no one is in attendance. If no one is available to accept a Signature on Delivery items, it will be taken to your local Post Office for collection.

To stay up to date with your delivery, we suggest downloading the free AusPost app. It provides real-time tracking updates, notifications, and reassurance that all info comes directly from Australia Post — not spam emails

🖼️ *All pictures shown are for illustration purposes only. The actual colours may vary from those shown depending on the device you are using to view the product or the angle of the item is photographed. Actual products may vary due to product enhancements or updates. The listing should be referred to for the description of the product, any questions should be asked prior to purchase.