Sea-Dog 7 to 4 Trailer Plug Adapter [753874-1]
ELC-773987 to 4 Trailer Plug Adapter
Sea-Dog's 7 to 4 Adapter for Trailer Plugs.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.