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SAE J2191 (NOV2023)

Current Revision

Recommended Practice for Identification of Standardized Truck and Tractor Electrical Circuits

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This SAE document defines a recommended practice for implementing circuit identification for electrical power and signal distribution systems of the Class 8 trucks and tractors. This document provides a description of a supplemental circuit identifier that shall be utilized in conjunction with the original equipment manufacturer’s primary circuit identification as used in wire harnesses but does not include electrical or electronic devices which have pigtails. The supplemental circuit identifier is cross-referenced to a specified subsystem of the power and signal distribution system identified in Section 5 .

SDO SAE: SAE International
Document Number J2191
Publication Date Nov. 16, 2023
Language en - English
Page Count 10
Revision Level 202311
Supercedes
Committee
Publish Date Document Id Type View
Nov. 16, 2023 J2191_202311 Revision
Jan. 8, 2019 J2191_201901 Revision
Feb. 21, 2014 J2191_201402 Revision
Jan. 7, 2010 J2191_201001 Revision
Jan. 30, 2004 J2191_200401 Revision
Dec. 13, 2002 J2191_200212 Revision
Feb. 1, 1997 J2191_199702 Revision