This 13' wiring harness is designed to connect a single 40"-50" LED light bar to their 12V electrical system. It features battery terminals on one end and a Deutsch connector on the other to connect to the light. It incorporates an inline fuse holder, a 12V relay, and a waterproof switch. This harness is compatible with the following Rigid Industries LED Lights: 50" E-Series, 50" SR-Series. Features: 14 AWG Wire Deutsch Connector Inline Fuse Holder