A Deutsch cable harness for work light installation including Lazer Utility work light and Lazer Linear-24 Flood light bar. The harness consists of 2pcs DT-connectors, a 12V relay with 10A fuse and battery terminal. The battery terminal allows for the operation of Lazer products either in parallel with the standard lighting on the vehicle, and/or via an independent switch which can be mounted inside your vehicle.