Browse Standards J2191_200401
Historical REVISED 2004-01-30

Recommended Practice for Identification of Standardized Truck and Tractor Electrical Circuits J2191_200401

This SAE Recommended Practice defines a recommended practice for implementing circuit identification for the circuits of the 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.
J2191_202311
2023-11-16
Latest
Reaffirmed
J2191_201901
2019-01-08
Historical
Reaffirmed
J2191_201402
2014-02-21
Historical
Revised
J2191_201001
2010-01-07
Historical
Revised
J2191_200401
2004-01-30
Historical
Revised
J2191_200212
2002-12-13
Historical
Reaffirmed
J2191_199702
1997-02-01
Historical
Issued

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