# ISO 4091:1978/Add 1:1982 — Withdrawn and superseded ISO standards

For ISO 4091:1978/Add 1:1982, item title is Road vehicles — Electrical connections between towing vehicle and trailers — Test methods and requirements — Addendum 1; status code is 9599; successor is ISO 4091:1992; withdrawn / published date is 1982-03-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4091:1978/Add 1:1982 _(verified: appears in the quote below)_
- **Item title:** Road vehicles — Electrical connections between towing vehicle and trailers — Test methods and requirements — Addendum 1 _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4091:1992
- **Withdrawn / published date:** 1982-03-01 _(verified: appears in the quote below)_

## What the source says

> 9825,IS,Add,ISO 4091:1978/Add 1:1982,Road vehicles — Electrical connections between towing vehicle and trailers — Test methods and requirements — Addendum 1,Véhicules routiers — Liaisons électriques entre véhicules tracteurs et véhicules remorqués — Méthode d'essai et exigences — Additif 1,1982-03-01,1,['43.040.40'],ISO/TC 22,9599,,[9824],['en'],1,

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).