The Curt Manufacturing 57674 adapter allows you to split a 4-way flat trailer wiring into both a 7-way round and a second 4-way flat connection. This makes it practical for connecting different trailer types without changing vehicle wiring.
Converts a 4-way flat input to a 7-way round plug and a 4-way flat plug
Enables towing trailers with both round and flat connectors
Plug-and-play setup; no wiring modifications needed
