The small “plugs” are designed to connect the wires to the male spade connectors inside the light. A small hole is drilled through each plug – note dimple in plug end. The supplies two-strand wire is divided and each strand is paced through one of these tiny “plugs”. The wire is stripped, laid in the grove of the plug and folded over the top of the plug. When the “plug” is pushed into the light, the wires make contact with the spade connector.

When i setup my Secula Plus, I used the female spade connectors supplied to make the connections. Beside crimping the connectors, I soldered the wires to the female spade connectors and used the supplies shrink tubing to “weatherproof” the wire-to-spade connection. Hope that helps.