The nitty
gritty.
Introducing our all-new Dual Connector DT-4 Plug & Play SMART Harness™ High Beam Driving Light Wiring, engineered for high current applications with robust single relay operation. Built with heavy-duty 10AWG cable and designed for both positive and negative switching systems, this harness makes installation simple without cutting or soldering, allowing up to 2 lights to run simultaneously with built-in Daytime Running Light (DRL) functionality.
Featuring 1 x 80A relay and a total harness capacity of 40A, it’s ideal for medium to high-powered lighting setups. The kit includes two 4-pin DT4 Deutsch connectors rated at 20A and 2.0 meters of cabling from relay to connectors, providing a secure, waterproof, and durable connection compatible with the latest DRL-enabled driving lights.
Our Dual Connector DT-4 Plug & Play SMART Harness™ High Beam Driving Light Wiring automatically detects switch polarity and works out-of-the-box on a variety of vehicles, including challenging models like Toyota, Ford Ranger, and Mazda BT50. Compatible with quick connect systems, this harness removes any guesswork and streamlines the installation of high beam triggered lights with DRL modes.
With 1 x 50A fuse protection to safeguard your lighting system under load, and rugged 10AWG wiring to efficiently handle the current, this kit provides everything needed for a professional-grade wiring loom.
- 1 x 80A Relay
- 2 x 4-pin DT4 Deutsch Connectors (20A) – DRL compatible
- 2.0m cable from relay to connectors
- Heavy-duty 10AWG cabling
- Harness Capacity: 40A
- 1 x 50A Fuse protection
- Smart Harness™ for automatic positive & negative switch detection
- Quick connect compatible for Plug & Play installation
Simplify your lighting upgrade with the Dual Connector DT-4 Plug & Play SMART Harness™ High Beam Driving Light Wiring—reliable power with DRL-ready functionality.
Tech specs
| RELAY RATING | 12V DC 80A |
| CONNECTORS | DT-4 |
| MAX LOAD | 40A @ 12V DC |
| SUPPLIED FUSE | 50A |
| INSULATION | UV Rated |
| OUTPUT LENGTHS | 2050 mm |
What’s included
- 1 x Dual Connector DT-4 Harness
- 1 x 80A Relay
- 1 x 50A Fuse
- 1 x 19.8mm Dime Switch (Red Illumination)
- 1 x Cable Ties (Set)
- 1 x HB3/H4 Piggyback