ISO-4091 Complete Document History
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - Definitions, tests and requirements

Complete Current Edition:
   3RD EDITION - DEFINITIONS, TESTS & REQUIREME - Nov. 1, 2003
   FOR 3RD EDITION AMENDMENT 1 SEE - ISO-4091-AM1 - May 1, 2022

Obsolete Revision Information:
   FOR 1ST EDITION AMENDMENT 1 SEE - ISO-4091-1 - March 15, 1997
   1ST EDITION - ROAD VEHICLES - CONNECTORS FOR - Oct. 1, 1992