Fast Fit Dual Wiring Kit
Fast Fit Dual Wiring Kit
Fast Fit Dual Wiring Kit

Fast Fit Dual Wiring Kit

Regular price $66.61 Sale price$59.95 Save 10%
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Plug N Play

V2.0 New inbuilt Detecting technology, works with Both Negatively Switched Headlights and Positively Switched.

Inbuilt switching relay detects whether your high beam circuit is negatively or positively switched, ensuring your light bar or driving lights only illuminate.


  • 2X DT Deutsch waterproof connectors
  • HB3 and H4 high beam adaptors for high beam relay
  • In cab illuminating switch
  • Heavy Duty 12 Gauge wiring
  • Colour coded battery terminal connectors
  • Heat and water resistant insulation across all main wiring

Includes everything needs to power your lights: In cabin ON/OFF Switch, 40A Fuse, 40A Relay, Heat resistive insulated wiring, H4 and HB3 headlight adaptors.

Wiring harness voltage rating 12V DC
Fuse 40A
Output Connector Waterproof Deutsch DT
Wiring 12 AWG
Headlight Connectors HB3+H4
Interior Switch Illuminating Colour RED

Step 1: Connect Battery Terminals

Connect to your vehicles battery terminals, remove the fuse for now during installation so the circuit is not live. 

Step 2: High Beam Trigger

High beam adapters integrate with your headlght circuit to send a trigger signal to the Fast Fit harness relay. Auxillary lights turn on when high beam is on and will not turn on when isolator switch is switched off. 
Range of additional vehicle specific adaptors available. 


Step 3: Route In Cabin Isolator Switch

Route through the firewall and mount within reach of the drivers position. When isolator switch is on the lights can turn on with high beam, when switch is off the lights will not turn on.


Step 4: Plug In Lights

Plug in directly to your driving lights/Light Bar

Vehicle Specific Headlight Adaptors Available

Range of specific headlight adaptors for modern headlights. These adaptors utilise the factory headlight socket for a plug n play intergration. 
-Ford Ranger, VW Amarok, NP300 and many more! 

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