This wiring diagram shows you, generally, how to wire up to 4 lights on 1 switch. Please refer to the product instruction manual as well. Thanks for choosing a KC HiLiTES product. We take MOUNTING YOUR LIGHTS. 1. Choose a Connect the light wire(s) to the light(s) and route the harness. Offroad lights come in many shapes and sizes including: . Connect the wire from your switch to the power wires on your lights. Use connectors.