- Perfect Fit for Series 19: Specifically designed for Grote 4674 series clearance/marker lamps and 4709/6029/6030 license lamps.
- Ultra-Blue-Seal® Protection: Factory-molded plugs provide a superior moisture barrier to prevent corrosion.
- Heavy-Duty 16 GA Wire: Thicker gauge GPT wire delivers better conductivity and physical strength than standard leads.
- Secure Chassis Ground: Includes a ring terminal and .180" Slim-Line male bullet for reliable electrical bonding.
- Compact 6" Length: Provides an ideal lead length for neat and organized wiring within the mounting bracket (Fits 43780 bracket).
Grote 66980 6” Clearance Marker Pigtail – Chassis Ground, Slim-Line .180 Male Bullet & Ring Terminal
Heavy-Duty Connectivity for Series 19 Marker Lamps
The Grote 66980 is a professional-grade 6-inch clearance marker pigtail specifically engineered for Series 19 lamps. Built with a robust 16-gauge GPT wire construction, this pigtail provides the durability and electrical integrity required for heavy-duty truck and trailer marker systems. Its 6-inch length offers a clean, manageable lead for streamlined installations.
Ultra-Blue-Seal® Corrosion Protection
Maintain a weather-tight electrical system with Grote's signature Ultra-Blue-Seal® technology. The 66980 features factory-molded plugs that create a permanent moisture barrier, effectively blocking out road salt, dirt, and water. This advanced sealing prevents terminal corrosion—the #1 cause of lighting failure—ensuring your fleet remains visible and compliant in any environment.
Efficient Chassis Ground System
The 66980 is designed for a Chassis Ground configuration, simplifying your wiring by grounding directly through the vehicle or trailer frame. It features a Series 19 Plug on the lamp end and is terminated with a Slim-Line .180" male bullet and a Ring Terminal on the power end. This "plug-and-play" design allows for a secure, vibration-resistant connection that stands up to the rigors of the road.

