you will probably need something like this wired into the rear lights and yes scotch locks will do
the board will probably have a plug on the end of the wire you will need to wire a socket into the cars rear lights
http://www.towsure.com/product/NType_Socket_PreWired
the board will probably have a plug on the end of the wire you will need to wire a socket into the cars rear lights
http://www.towsure.com/product/NType_Socket_PreWired