What are the standards for automotive wire harness tension? What are the specific standards?

Tension standards for automotive wiring harnesses refer to regulations that specify the greater pull or tension that automotive wiring harnesses can withstand during installation and use. These standards are designed to ensure that the harness is not subjected to excessive stress under normal operating conditions to ensure its safety and reliability. Specific automotive wire harness tension standards vary depending on the, industry and application, here are some common standards: ISO 6722: This is a standard issued by the International Standards Organization (ISO) for automotive electrical wire harnesses. ISO 6722-1 specifies greater pulling forces for different categories of wire harnesses, with specific values varying according to harness category, diameter, and conditions of use.SAE J1939: This is a standard issued by the Society of Automotive Engineers (SAE) for communication networks in commercial vehicles. SAE J1939-11 specifies methods and criteria for tensile testing of wire harnesses.GMW3172: This is a specification for wire harnesses and cables issued by General Motors. GMW3172 specifies pulling force standards for different harness types, including sensor harnesses, power harnesses, data harnesses, etc. Ford ES-XW7T-1A278-AC: This is a specification for wiring harnesses and cables issued by Ford Motor Company (Ford). Among other things, ES-XW7T-1A278-AC specifies tension standards for different harness types, as well as test methods and requirements. These standards typically categorize wiring harnesses based on factors such as type, diameter, material, and environment of use, and specify the appropriate pull force criteria. For example, sensor harnesses and power harnesses may have different requirements because of their different locations and functions in the vehicle. Wire harness pulling force criteria are usually expressed in Newtons (N) or kilograms of force (kgf), with specific values varying according to different standards and specifications. To ensure the reliability of a wiring harness, manufacturers and suppliers often conduct pull tests according to the relevant standards and ensure that the wiring harness is able to withstand the specified pulling force during installation and use without rupturing or damaging the wiring harness.

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