Grote 66110 - Slim-Line Under Light Male to Standard Female Jumper Harness – 5' Long, 14 GA

Seamless Electrical Access for Rear Sill Auxiliary Systems

The Grote 66110 Jumper Harness is a specialized electrical component designed to provide quick and reliable access to auxiliary drop-outs on your trailer’s rear sill harness. This 5-foot jumper serves as a critical bridge in your vehicle's power delivery system, allowing you to integrate additional lighting or electronic accessories without the need for complex rewiring or splicing.

Engineered for Professional Performance

Built to meet the rigorous standards of the heavy-duty trucking industry, the 66110 features high-quality 14-gauge GPT wire that ensures maximum conductivity and durability. The configuration—a Slim-Line .180" Male Bullet to a Standard .180" Female Receptacle—is engineered for a secure, vibration-proof fit. Whether you are adding marker lamps, ID lights, or other auxiliary equipment, this jumper ensures a weather-resistant connection that protects against the elements.

Part of the Grote UBS® Ecosystem

As a key part of Grote’s Universal Bulkhead System (UBS®), the 66110 is designed for a "plug-and-play" experience. It simplifies repairs and upgrades by providing a reliable interface between Slim-Line and Standard bullet terminations. This harness is built to withstand the punishing road spray, salt, and vibration common in heavy-duty trailer environments, helping you reduce maintenance downtime and stay compliant.