This is a 13 inch wiring harness which was designed in a way that it connects a 30 inch LED light bar to the 12 v electrical system. It has battery terminal on one end and a Deutsch connector on the other end.

Fits 1-7/8″, 2″, and 2-5/16″ Couplers
Features:
Opens With Your Vehicle Ignition Key
Works with Dodge, Ram, Jeep & Chrysler keys
Works with 1-7/8″, 2″, and 2-5/16″ Couplers
Powder Coated in Red for Visible Theft Deterrent
Weather Proof
Auto Return Spring Locks Automatically When Key is Removed
Double Ball Bearing Locking Mechanism
Plate Tumbler Sidebar to Prevent Picking and Bumping
Stainless Steel Lock Shutter to Keep Out Dirt and Moisture
Limited Lifetime Warranty
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The Rugged Ridge Receiver Hitch Kit with Wiring Harness is easily installed with custom design bolts that hook onto the rear of the car via the factory mounting points. In fact, it look and feels very similar to the factory built receiver hitch but with more strength.

The Rigid Industries Radiance Multi-Trigger Harness has been designed to power the Radiance light bar. This harness utilizes two independent circuits to allow for simple installation.