Physical design according to standard ISO 3732. [ 4 ] [ 15 ] Signals in this connector (if following the standard) are not generally legally required (local regulations may still apply), which means that it is not mandatory to connect it if it is present.

ISO 3732 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 3, Electrical and electronic equipment . This fourth edition cancels and replaces the third edition (ISO 3732:1997), which has been technically revised.

ISO 3732:2003 specifies the dimensions of, and requirements for, 7-pole connectors of type 12 S and their contact allocation for the electrical connection of towing (passenger cars or light commercial vehicles) and towed vehicles with 12 V nominal supply voltage, thus ensuring interchangeability.

The standard ISO 3732 specifies the dimensions of, and requirements for, 7-pole connectors of type 12 S and their contact allocation for the electrical connection of towing (passenger cars or light commercial vehicles) and towed vehicles with 12 V nominal supply voltage, thus ensuring interchangeability.

ISO 3732 – Type S describes connectors used to transmit supplemental functions from towing vehicle to trailer. The plugs and sockets are applied in light vehicles and passenger cars.

ISO 3732 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 3, Electrical and electronic equipment. This fourth edition cancels and replaces the third edition (ISO 3732:1997), which has been technically revised.

Jun 28, 2024 · ISO 3732 is an international standard that specifies the requirements for 7-pin connectors of type 12 S. These connectors are used for the electrical connection between towing vehicles and trailers with a nominal voltage of 12 volts.

This International Standard specifies the dimensions of, and requirements for, 7-pole connectors of type 12 S and their contact allocation for the electrical connection of towing (passenger cars or light commercial vehicles) and towed vehicles with 12 V nominal supply voltage, thus ensuring interchangeability.

International Standard ISO 3732 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 3, Electrical and electronic equipment. This third edition cancels and replaces the second edition (ISO 3732:1982), which has been technically revised and

This International Standard specifies the dimensions of, and requirements for, 7-pole connectors of type 12 S and their contact allocation for the electrical connection of towing (passenger cars or light commercial vehicles) and towed vehicles with 12 V nominal supply voltage, thus ensuring interchangeability.