# ST-31-DT4-004 4x Connector DT-4 Plug & Play SMART Harness High Beam Driving Light Wiring | Genuine STEDI Product

## 🔧 Product Description

**4x Connector DT-4 Plug & Play SMART Harness High Beam Driving Light Wiring - Part Number: ST-31-DT4-004**

The STEDI 4x Connector DT-4 Plug & Play SMART Harness is engineered for high-current applications requiring dual relay operation. Built with heavy-duty 10AWG cable and designed for both positive and negative switching systems, this harness makes installation a breeze without cutting or soldering, and allows up to 4 lights to run simultaneously with built-in Daytime Running Light (DRL) functionality.

Featuring 2 x 80A relays and a total harness capacity of 75A, it’s perfect for high-powered lighting setups. The kit includes four 4-pin DT4 Deutsch connectors rated at 20A and 2.0 metres of cabling from relay to connectors, delivering a reliable, waterproof and robust connection compatible with the latest DRL-enabled driving lights. The harness automatically detects switch polarity, working out of the box on a range of vehicles including tough-to-wire models like Toyota, Ford Ranger and Mazda BT-50, and dual 45A fuses safeguard your lighting system under heavy load.

-   2 x 80A relays
-   4 x 4-pin DT4 Deutsch connectors (20A) - DRL compatible
-   2.0m cable from relay to connectors
-   10AWG heavy-duty cabling
-   Harness capacity: 75A
-   Dual 45A fuse protection
-   Smart harness with automatic positive and negative switch detection
-   Quick-connect compatible for plug and play installation

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 119.0 AUD
- **Vendor:** Stedi
- **Type:** Electrical & Wiring
- **Tags:** 4X4 & Offroad | Suspension Bullbars & Accessories, Stedi - Driving Light Wiring Kits, Stedi - Wiring & Electrical, Stedi | Performance LED Lighting Solutions

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 119.00 AUD | In stock |

## Images

- ST-31-DT4-004 4x Connector DT-4 Plug & Play SMART Harness High Beam Driving Light Wiring | Genuine STEDI Product
- ST-31-DT4-004 4x Connector DT-4 Plug & Play SMART Harness High Beam Driving Light Wiring | Genuine STEDI Product, image 2
- ST-31-DT4-004 4x Connector DT-4 Plug & Play SMART Harness High Beam Driving Light Wiring | Genuine STEDI Product, image 3
- ST-31-DT4-004 4x Connector DT-4 Plug & Play SMART Harness High Beam Driving Light Wiring | Genuine STEDI Product, image 4
- ST-31-DT4-004 4x Connector DT-4 Plug & Play SMART Harness High Beam Driving Light Wiring | Genuine STEDI Product, image 5
- ST-31-DT4-004 4x Connector DT-4 Plug & Play SMART Harness High Beam Driving Light Wiring | Genuine STEDI Product, image 6
- ST-31-DT4-004 4x Connector DT-4 Plug & Play SMART Harness High Beam Driving Light Wiring | Genuine STEDI Product, image 7
- ST-31-DT4-004 4x Connector DT-4 Plug & Play SMART Harness High Beam Driving Light Wiring | Genuine STEDI Product, image 8
- ST-31-DT4-004 4x Connector DT-4 Plug & Play SMART Harness High Beam Driving Light Wiring | Genuine STEDI Product, image 9
- ST-31-DT4-004 4x Connector DT-4 Plug & Play SMART Harness High Beam Driving Light Wiring | Genuine STEDI Product, image 10

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/st-31-dt4-004-4x-connector-dt-4-plug-play-smart-harness-high-beam-driving-light-wiring)
> Updated: 2026-10-31