Installing LED Light Bars and Auxiliary Pods on a 2005 Sierra for Off-Road Use uberant.com

Once your electrical plan is established, focus on physical routing. You'll need to penetrate the firewall to run switch wires into the cabin. Look for existing factory grommets—often on the driver's side near the pedals—and carefully poke a small hole, then add a proper grommet to protect wires from sharp metal edges . Once inside, route all wiring away from heat sources, moving parts, and areas where abrasion could occur. Use zip ties to secure wires to existing factory looms along the frame and body. For maximum protection, enclose all wiring in split loom tubing or flexible nylon conduit to shield against the elements and physical damage . KC HiLiTES provides specific guidance for switch installation: drill 1/8-inch holes for mounting, ensure proper wire connections to switch terminals (LOAD, SUPPLY, and EARTH), and only install the fuse after confirming the switch is in the OFF position .