The 12 Inch LED Adapter Plug is a practical solution for converting single male-pin lamp connections to LED hard-shell, weatherproof stop, turn, and tail lights. This adapter plug is sold individually and fits most non-hardwired lights. It offers the benefit of easy installation and compatibility with various lighting systems. Grease is not recommended on AMP-style connections, ensuring a reliable and long-lasting connection. Upgrade your lighting setup with this reliable and versatile adapter plug.